depends.
#development
untold badge
@vestal glen What's the purpose of a Dockerfile? Is it just there for automation?
nocturne crypt
you use dockerfiles to automate it over and over again
they're self-documentating ways of deploying applications
conistently doing docker run is an imperative approach
while using dockerfiles is a declarative approach
using docker run to deploy multiple applications (eg a service) is very cumbersome
let's say you want to deploy nextcloud, mariadb, and redis
you now have to type docker run 3 times and in the command line you have to specify the relation of each service to each other
(you get very long docker run commands)
or you can create a docker-compose file
and do docker-compose up -d
which is the equiavlient
midnight wind
you can't save docker runs, docker-compose is just an all round better imo
documentation, less cumbersome, etc.
untold badge
That makes sense
vestal glen
Dockerfiles are to describe the environment that should run in your container.
and a dockerfile is used to actually build a specific container
untold badge
Thanks for the explanation
I also had a question about Ghost: is it viable for sites other than blogs? From first glance (haven't dug too deep yet) it seems that it's centered heavily around posts
vestal glen
it is centered around content that can be represented by posts, similar to wordpress, yes. But I believe it also supports entries without a date, so "pages". Not sure how well, though.
nocturne galleon
since when does CPP let you have multiple strings as a single variable thingo
also, how does visual studio let me make microsoft sql databases for free, I thought it cost money?
like it lets me create a .MDF to connect to, isnt microsoft's sql premium tho?
hollow basalt
midnight wind
local databases are free???
hollow basalt
Iirc MDF are not actual database
Visual studio ofc allows you to connect to SQL server
But Im not sure if Vs has built in SQL server
Doubt that
Cause even oracle express edition is MB in size
Tldr: not lightweight enough to be included in the ide
untold badge
@vestal glen It seems that Ghost doesn't have form builders outside of manually implementing third party plugins, so should we learn HTML/CSS/JS and Node.js and stick with Ghost, or is it better to build a site from scratch
nocturne crypt
ghost is a giant self-buliding website
you can use templates and their built in content management system
you can integrate HTML/CSS inline if you want something unique though
untold badge
@nocturne crypt Are there templates than can be used without a CMS?
And is forgoing a CMS cumbersome?
nocturne crypt
with ghost you can enable js and html5 directly into the pages if you want
you don't need something like ghost to write a website
it's just less annoying
untold badge
Thanks for the info Phoenix! I guess I'll just keep playing around with Ghost and start learning HTML and CSS in the meantime
nocturne crypt
it's always cool to integrate both
hollow basalt
did it just create a database for me?
where
database is not a random file (looking at you sql lite)
it requires special drivers or another software (sql servers)
solid fjord
https://www.udemy.com/course/python-crash-course-for-beginners-l/?couponCode=A918B5BF4E9C3124D081
In case anyone needs it
hasty tusk
finally put some work on
round dome
since when does CPP let you have multiple strings as a single variable thingo
@nocturne galleon since forever
and it's not multiple strings it's one string concatenated
hollow basalt
nocturne galleon
Oooh
obtuse night
Just starting to use Blazor Web Assembly and am not sure how i should structure the project. Should the Blazor app talk directly to a database or make calls to an external API?
vital blaze
and it's not multiple strings it's one string concatenated
@round dome Would'nt the null characters break up the strings?
round dome
No the compiler doesn't concat the strings' null bytes wtf
hollow basalt
vital blaze
I was thinking that the string literals would have the null character added to each one. But it turns out that the compiler concatenates the string literals that are seperated by only white space before adding the null character.
nocturne crypt
i'm going to instantly regret asking this question in this discord
but does anyone know the way of using tensor cores in Cuda?
anyone?
proper gale
@nocturne galleon its concatinating them at compile time, which is nice for multi-line strings
copper falcon
Can anyone help out with this? https://stackoverflow.com/questions/64225757
I've been stuck with it for ages
light prism
light prism
You using tensorflow for mixed precision?
Tensor API is very poorly documented
https://docs.nvidia.com/cuda/cuda-samples/index.html#cuda-tensor-core-gemm
There is some info here
This PDF has "some" information, whether it can be counted as useful is up for debate
@nocturne crypt
nocturne crypt
i finally got the dockers to use my 2060
i wanna figure out what the fuss is over these tensor cores
light prism
The API docs are so sparse they might as well have not bothered
nocturne crypt
okay
so i figured it out
tensor cores are microcode optimizations for the GPU
there's nothing to program against, just setup the code to take advantage
oh boy
light prism
LOL
pliant siren
Didn't realise this channel was here - anyone know their way around CSS that can look at a page and tell me while a style isn't being found even though it's defined in a .scss ?
warm sleet
have you looked at the compiled CSS ?
pliant siren
That was, in fact, what the problem was. I thought it was auto-compiling it - it was not.
warm sleet
you need a CSS Preprocessor to process SCSS
not sure what your application context is
but pretty sure in node, webpack takes care of this
pliant siren
yeah, i thougth bootstrap was handling it - it wasn't.
needed to be generated manually.
tulip oracle
webpack handles it provided you have the correct loader, which is sass-loader:
https://webpack.js.org/loaders/sass-loader/
as long as it has the file ending in .scss or .sass (regex in test) it'll automatically use the loaders listed under 'use'.
That or transpile it manually
warm sleet
Thanks @tulip oracle
I'm new to nodejs, using it at work since 2 weeks
typescript shiver
<-- die hard java guy
tulip oracle
lol, my knowledge is literally based on me making one single website using React, babel....plus a shit ton of other webpack shit
warm sleet
Mostly JavaEE based applications
tulip oracle
I'm more of a backend guy anyways haha
tulip oracle
Yep lol
warm sleet
I started with C#
then moved onto Java
I use C for embedded applications, or when Java doesn't cut it
I've written applications that use JNI before
- Create java interface, declare methods with
nativekeyword
- use
$ javahto generate headers for said interface
- Implement header in C
- Compile
- Load
.sofile withSystem.loadLibrary()
tulip oracle
OpenCV mmmm
warm sleet
yeeee
ultimately, I scrapped that project module
and went with OpenALPR
because it did exactly what we needed
warm sleet
@tulip oracle 1 business customer, two groups of students, competing for the best solution to the problem
we won.
xD
tulip oracle
nice
warm sleet
It was supposed to be an app for a bank, so you could enter license plate of a used car, the app would calculate the monthly fees if you took out a loan
using your financials on the phone, (not in the cloud)
only thing the cloud service did was take images and return car information from a centralized DB
the competing group, implemented a wearable (smartwatch) with a microphone you could talk to for the license plate
but our solution: snap a pic and get result within 1 second...
was superior
tulip oracle
Yea ease of use
warm sleet
@tulip oracle we also made a concept to expand upon this with BLE
so a dealership with used cars, can have a bluetooth beacon in the little informational sign
and if you walk up to the car, all you have to do is look at your watch (we had a smartwatch too)
and it automatically senses the nearest beacon, and pulls car data from a database
tulip oracle
Man that sounds hard to implement
warm sleet
though we ran out of time to fully realize this
it was possible
we did research and had proof of concepts
BLE has an accuracy of 1-2 meters
that was a fun project.
tulip oracle
Were you guys using arduino?
warm sleet
android
tulip oracle
Or had a proper guy who knew electronics/hardware and was planning on designing the pcb as well
tulip oracle
Oh I was referring to the BLE beacon type
warm sleet
Bluetooth beacons can be bought straight up
they look like a big coin
send out their ID every second
for 3-4 years
until battery is dead
tulip oracle
Oh yea no need to make your own BLE beacon hah
They're pretty much like longer range RFID cards
warm sleet
clear line of sight
you can do 30-50 meters
first time I use BLE
was to develop a navigation system for a planet without GPS
drop beacons in a pattern across the plane
you can triangulate your position
tulip oracle
You would need heaps of those BLE coins to make it worthwhile hah
warm sleet
@tulip oracle if you were to actually deploy this
BLE isnt sufficient
doesnt have enough transmit power
or even the right antenna
warm sleet
trying to find that old project with alpr
found it
@tulip oracle lel
@POST
@Produces({MediaType.APPLICATION_JSON})
@Consumes({MediaType.APPLICATION_JSON})
@Path("image")
public CarInformation getCar(@Valid CarImageRequest model) {
byte[] bytes = model.getBytes();
log.debug("Image Size: " + bytes.length);
String vrn;
try {
vrn = vrnProvider.getVRN(bytes);
} catch (IOException e) {
throw new InternalServerErrorException(e);
}
log.debug("VRN: " + vrn);
AutoTelexData data = telex.getDetails(vrn);
CarInformation information = new CarInformation();
information.setTelexData(data);
information.setVrn(vrn);
return information;
}
that VrnProvider is where the magic happens
tulip oracle
Yeaa
warm sleet
/**
* Provides VRNs from an image
*/
public interface VrnProvider {
/**
* Gets the VRN from an image
* @param image the image
* @return the vrn
*/
String getVRN(byte[] image) throws IOException;
}
magical interface
@Override
public String getVRN(byte[] image) throws IOException {
File file = writeFile(image);
file.deleteOnExit();
return getVRNFromFile(file);
}
_>
warm sleet
@Override
public AlprData process(String file) throws IOException {
Runtime runtime = Runtime.getRuntime();
Process proc = runtime.exec(exec + " -j -n 5 -c " + region + " " + file);
try {
int exit;
if ((exit = proc.waitFor()) != 0) {
throw new AlprException(exit);
}
} catch (InterruptedException e) {
throw new IOException("Failed to load alpr", e);
}
BufferedReader reader = new BufferedReader(new InputStreamReader(proc.getInputStream()));
return gson.fromJson(reader.readLine(), AlprData.class);
}
yes because its a bodge
_>
it just calls shell to do it
exec is the executeable of ALPR
and -j makes it dump json data in terminal :D
tulip oracle
ALPR didn't have a straight API that you could use?
warm sleet
it does
but we were working on windows, macs and linux machiens to develop this
getting this to work with maven & native libs
was too much effort.
so we just installed it as a package and used the binaries instead of JNI bindings
tulip oracle
Ah fair enough lol
warm sleet
write image to file, call ALPR to give it some estimates
it has a % of how sure it is
it just sorts through those, using legal license plate patterns in that country
for the netherlands we had
{
"patterns": [
"^[A-Z]{2}[0-9]{2}[0-9]{2}$",
"^[0-9]{2}[0-9]{2}[A-Z]{2}$",
"^[0-9]{2}[A-Z]{2}[0-9]{2}$",
"^[A-Z]{2}[0-9]{2}[A-Z]{2}$",
"^[A-Z]{2}[A-Z]{2}[0-9]{2}$",
"^[0-9]{2}[A-Z]{2}[A-Z]{2}$",
"^[0-9]{2}[A-Z]{3}[0-9]$",
"^[0-9][A-Z]{3}[0-9]{2}$",
"^[A-Z]{2}[0-9]{3}[A-Z]$",
"^[A-Z][0-9]{3}[A-Z]{2}$",
"^[A-Z]{3}[0-9]{2}[A-Z]$",
"^[A-Z][0-9]{2}[A-Z]{3}$",
"^[0-9][A-Z]{2}[0-9]{3}$",
"^[0-9]{3}[A-Z]{2}[0-9]$"
]
}
this was a config file, because every few years government adds more
@tulip oracle omg. lmao. I just checked some of the older sources
it has to prepare an email as well
I used JSP for this O.o
haha, say what you will, but it looks clean.
tulip oracle
Lol
tulip oracle
taglib?
warm sleet
Tags are keywords in JSP to call upon functions
things like profile:gender()
are JSP tags
tulip oracle
JSP? I don't even JSP lol
tulip oracle
Oh so a template
tulip oracle
But hey it works right? thats all that matters
tulip oracle
Yea I've heard of handlebars
Barely touched frontend development tbh
Gotta get around to messing around with it
Wanted to check out vue.js
warm sleet
at my workplace they use https://mithril.js.org/
tulip oracle
This mithriljs doesn't need to compile to like a bundle.js?
warm sleet
yep
tulip oracle
So why your work picked this particular library and not the other stuff?
like vue, react or even angular
warm sleet
leightweight
and you can reuse components you make with mithril, in other applications
vestal glen
that powershell doesn't know about node
sly moat
wdym
vestal glen
well, you presumably installed node
and you're trying to use that node in a power shell that does not know where that node is installed.
sly moat
so u r saying either I have installed it in the wrong path or it is an old version of node.js software?
warm sleet
@sly moat powershell, pretty sure commands have to be prefixed with ./node
bitter notch
Need to add node to the PATH most likely in windows, and then close any powershell/cmd/apps that use it like VSCODE
warm sleet
@bitter notch yes but calling executeables from PATH still needs a prefix
it thinks its a PS command otherwise
sly moat
oh I see
warm sleet
@bitter notch its same shit with the JDK on windows
and maven too
on linux that stuff works out of the box
no need for a path, if you can use /bin
bitter notch
Yeah, I cheated and added a C:_PATH to my path where I install anything i want in my path lol
sly moat
huh
warm sleet
@bitter notch switching versions also very easy with update-alternatives
JDK 8 or JDK 14
worn relic
Hi. I’m wanting to learn swift. Is there any good free service or tutorials to start. Btw I already html and I’m proficient in python.
spring pond
To learn Swift I ended up using the Apple SwiftUI tutorials and learning the rest of the language based on need
spring pond
no i used xcode
however if you have no interest in UI design or dont have a mac then you can use the new swift for windows
but xcode was purpose built for swift so i strongly recommend it if you have access to a mac/hackintosh
nocturne galleon
I've been trying to compile this https://github.com/MJoergen/mchess but I'm getting collect2.exe: error: ld returned 1 exit status every time I do so. Anyone that could help
I tried doing it through command prompt and a few times with visual studio code
what quora
wdym
I used the mingw g++ compiler and tried the gcc but didnt work and then VScode
Im pretty sure vscode also used the mingw g++ compiler
lol idk whats wrong
did you compile the main.cc file
idk wtf is wrong
I do g++ main.cc and this is what comes up
I tried but it was too long and I couldnt bother to take a pic
'i686-w64-mingw32-g++' is not recognized as an internal or external command,
operable program or batch file.
how do I do that
warm sleet
@nocturne galleon from what you posted in that textfile
Seems you haven't included your library path
undefined reference to operator<<(std::ostream&, CBoard const&)
ld is the linker
it links your compiled code to the libraries it uses
I'm not the guru for C++
Only C/C++ I've done was on linux, and that works out of the box with no fuss
hollow basalt
which depends on the other sources, which he didn't compiled (and linked)
warm sleet
The makefile actually uses mingw
on windows, that is
Compiles just fine btw
git clone https://github.com/MJoergen/mchess.git
cd mchess
make
@nocturne galleon seems to work fine for me: https://i.imgur.com/hJgFgP1.png
nocturne galleon
yeah it works with the make command
on linux just fine
@warm sleet
How do I do that on windows
warm sleet
@nocturne galleon you need make
I'm not so sure which one
cmake for windows most likely
I've only ever compiled C on windows once
saw how horrid it is
and went to linux xD
nocturne galleon
Yeah I have a linux virtual machine now that I have a better computer but I used to dual boot
warm sleet
@nocturne galleon http://gnuwin32.sourceforge.net/packages/make.htm
nocturne galleon
yeah I am currently reading that
warm sleet
the lengths one has to take to get compilation/development environments going on windows, is why I use it strictly for gaming
I just feel like all my development skills go down the drain if I try to do this on a windows box
nocturne galleon
Yeah I am kinda new to programming but even I noticed how much smoother linux was when I was trying to get tensorflow to work on windows for about 10h and then go it working on linux after about 1h
warm sleet
@nocturne galleon windows is consumer platform, thats what sets linux appart
prosumer software, but requires a bit of know-how to fully utilize
I've been using linux on my daily driver for about 6 years now
nocturne galleon
yeah I would use linux if all my games would run there
warm sleet
I never want to go back.
It has never crashed in those 6 years
If I turn it on, I am always confident that it will boot
when I shut down my gaming desktop and it says "Windows is installing updates"... I always get nervous
nocturne galleon
Well I guess the ubuntu distro is pretty user friendly. Only thing that could be a problem is downloading drivers but they've made this command to auto download all the necessary drivers so its still pretty smooth
xd
warm sleet
What
you dont need to install drivers on linux
thats what linux is.
its 80% drivers ;)
nocturne galleon
wifi drivers, graphics drivers
nocturne galleon
lol
warm sleet
"Fuck you nvidia"
nocturne galleon
I hate one thing about the ubuntu distro right now and that is that every time I update it, like for example the kernel. After I update all the drivers are gone and I have to download them again
warm sleet
DKMS
can solve that
thats how I have nvidia drivers for my hybrid graphics setup on laptop
even with that, you still need to restart to switch GPU.
because PRIME sucks.
DKMS links the binary driver to the kernel headers, when you install a new kernel
DKMS then loads them as a kernel module when you load it up
nocturne galleon
I dual boot on my laptop but I run it on virtual machine on my desktop since I dont really do any heavy work that requires all my pc power
nocturne galleon
Ill look into that
warm sleet
I forget how I installed it
but ubuntu has guides on how to install it properly
or maybe debian guides
@nocturne galleon linux doesnt have "configuration" in the sense that windows has it
if you want to "configure" linux, you have to configure it with make, and then recompile it
its bit more advanced, but even that. is less than 2-3 commands
with make menuconfig
you get this ^
There's literally 1000s of configuration fields
nocturne galleon
cool
warm sleet
settings are hardcoded into the binary
nocturne galleon
yeah Im not that advanced as a linux user. Just started out couple months ago
vestal glen
eh, you barely need to re-compile your kernel yourself if you're just an average power-ish user.
warm sleet
@vestal glen I tossed out bunch of drivers I do not need, everything else is provided as a module
and also made the kernel preemptible
because its only a 2 core system. desktop tends to freeze/lag when system is under load
kernel preemption reduces performance, but makes userspace take priority over kernel code
proper gale
@warm sleet "Nvidia, fuck you"*
warm sleet
GNU+Linux
small knoll
nocturne galleon
if I am creating an updater for my program, it has to grab the new files off the internet, how should I go about it? an SFTP connection? or stream the data through TLS or something?
nocturne crypt
that's a super generic question
do you mean live patches for an application you're writing?
nocturne galleon
basically the way discord does it, when the user opens it, it checks for updates, if there are some, it will install them
I currently have implemented the ability for the program to run the update software, which will then reopen the program after faking to update it, since I don't know how to go about that yet
limpid reef
Though I personally haven't used it, you could look into Squirrel @nocturne galleon. It's like ClickOnce but Works™
https://github.com/Squirrel/Squirrel.Windows
nocturne crypt
discord is an electron app
so discord's version of updating is downloading new javascript files
nocturne galleon
really?
nocturne crypt
really
nocturne crypt
you can
all your web browser does is download HTML/HTML5 documents
and then loads them
nocturne galleon
huh
nocturne crypt
sometimes it downloads a ton of javascript files
nocturne galleon
I thought it just downloaded the content of the html page and left it in memory
nocturne crypt
if the end developer is cool it downloads a WASM file
it only does that if it's a static web page
nocturne galleon
hmm
well mine consists of 2 executables
the program itself, and an updater.exe
when the user clicks on the program, it realises there are no arguments passed and so it opens the updater and closes itself, the updater, after updating the program, will open it with the argument "UpdateSuccess", when the program sees it got this exact argument, it will run as normal
nocturne crypt
honestly this is why web applications are so popular
you basically want to add hot-fixes to your application
so the application that basically is just a health check, that would have to do a curl request to a web server
and download your new updated executable
hollow basalt
you can download a file on http/s?
uhh
nocturne crypt
don't question it
nocturne galleon
hey, it says Hyper TEXT transfer protocol, how am I meant to know it can do files?
warm sleet
by providing a Content-Disposition
HTTP can do binary and text
Content-Type and Content-Disposition help in the client context to resolve
Content-Type just holds information on what kind of file you are requesting
and Content-Disposition is used for things like file-downloads in a browser, so it doesn't open a 2nd tab
@nocturne galleon in essence, its a text based protocol.
GET / HTTP/1.1
Host: google.com
nocturne galleon
Bruh the only thing I’ve done with web is create <body>hi</body> I don’t know shit about it
nocturne crypt
fun fax
text can mean whatever you want it to with computers
if unicode is defined as text (which it is)
it literally means anything
warm sleet
just cat a binary file
there's bound to be some actual characters in that
the rest is mostly gibberish, control keys and whatnot
cinder kraken
or misaligned literals
simple harness
making a logic circuit simulator. not gate go brrrrrrrr
gaunt sparrow
simple harness
added the rest of the basic gates 🙂
glass canyon
Nice spaghetti
raven roost
grid = [["O", "X", "X", "X"], ["X", "X", "X", "X"], ["X", "X", "X", "X"], ["X", "X", "X", "X"], ["X", "X", "X", "X"], ["X", "X", "X", "X"]]
'''
print(grid[0])
print(grid[0][0])
['O', 'X', 'X', 'X']
O
'''
# Define grid, starting position etc ---
# Check new positions are valid ---
# Move "O" to new position
# Replace old "O" with "X" ---
current_pos = [0, 0]
new_pos_x = int(input("Enter X co-ordinates: ")) + 1
new_pos_y = int(input("Enter Y co-ordinates: ")) + 1
pos_valid = False
while pos_valid == False:
if new_pos_x != current_pos[0] and 4 >= new_pos_x and new_pos_x >= 1:
print("Nice")
if new_pos_y != current_pos[1] and 4 >= new_pos_y and new_pos_y >= 1:
print("Cool")
pos_valid = True
new_pos_x = int(input("Enter X co-ordinates: ")) + 1
new_pos_y = int(input("Enter Y co-ordinates: ")) + 1
new_pos_x -= 1
new_pos_y -= 1
grid[current_pos[0]][current_pos[1]] = "X"
grid[new_pos_x][new_pos_y] = "O"
for i in range(0, 5):
print(grid[i])
I have this problem for my Computer Science A-Level, the while loop isn't breaking when both of my debug print() statements are tripping, therefore updating the while loop condition. But the loop doesn't seem to be breaking
nocturne crypt
okay
instead of just using your code which has weird control flow
use a finite state machine diagram
raven roost
use a finite state machine diagram
Never heard of it
nocturne crypt
it's a way of expressing logical connections between code segments without using code
so people can communicate about programs in a language agnostic way
everyone understands pictures
here is an example of a while loop as a finite state machine
raven roost
It's the fact that Python won't break the loop even though I'm telling it to break that I'm struggling with
nocturne crypt
the fact is python has unbelievably weird formatting rules
nocturne crypt
in C,C++,Golang, and Rust we have curly braces for control flow
to eliminate syntax
your logic makes no sense to me
raven roost
Yep, I prefer braces
nocturne crypt
and probably a ton of people on this server
hollow basalt
But I like python
hollow basalt
Yea diagrams easily
@hollow basalt you're wrong
@nocturne crypt how am I wrong for my preference
raven roost
This isn't a proper program, it's some tiny thing my teacher wants us to write
hollow basalt
nocturne crypt
@hollow basalt only program with yaml
hollow basalt
Then create an interpreter for python with braces
raven roost
from __future__ import braces
nocturne crypt
no one wants to do that
hollow basalt
I'll take one for the team
nocturne crypt
so seriously if you want help make a FSM
with draw.io
for example
because i don't think it's possible for someone who isn't you to determine if it's a logic error or not
raven roost
It's not the logic I'm struggling with, an FSM would help with logic.
hollow basalt
Dunno, FSM might give you a better perspective
hollow basalt
Bruh why are you trolling
nocturne crypt
my stand speaks!
raven roost
I fixed it by replacing pos_valid = True with break
No idea what was causing it but oh well
nocturne crypt
Dah
hollow basalt
Dah
proper gale
@raven roost your origional code works correctly, including the way you break out of the loop, its just ordered incorrectly
this is probably more what you wanted, ```py
grid = [["O", "X", "X", "X"], ["X", "X", "X", "X"], ["X", "X", "X", "X"], ["X", "X", "X", "X"], ["X", "X", "X", "X"],
["X", "X", "X", "X"]]
'''
print(grid[0])
print(grid[0][0])
['O', 'X', 'X', 'X']
O
'''
Define grid, starting position etc ---
Check new positions are valid ---
Move "O" to new position
Replace old "O" with "X" ---
current_pos = [0, 0]
new_pos_x = -1
new_pos_y = -1
pos_valid = False
while pos_valid == False:
new_pos_x = int(input("Enter X co-ordinates: ")) + 1
new_pos_y = int(input("Enter Y co-ordinates: ")) + 1
if new_pos_x != current_pos[0] and 4 >= new_pos_x and new_pos_x >= 1:
print("Nice")
if new_pos_y != current_pos[1] and 4 >= new_pos_y and new_pos_y >= 1:
print("Cool")
pos_valid = True
new_pos_x -= 1
new_pos_y -= 1
grid[current_pos[0]][current_pos[1]] = "X"
grid[new_pos_x][new_pos_y] = "O"
for i in range(0, 5):
print(grid[i])```
with that said, you do a + 1 and -= 1 in there, should probably remove those and use a [0, 4) check
you can also break an infinite while loop here as you dont check pos_valid anywhere, and its always true after that while loop, so, you are basically doing exactly that
warm sleet
while true do
hollow basalt
warm sleet
end
slender seal
hey! does anyone know how to send emails with python?, ive had a few attempts at it but it doesnt ever seem to work.
hollow basalt
what have you tried so far
slender seal
one sec
import smtplib, ssl
port = 465
email here, password here = read_creds()
recieve = sender
message = """
Subject: Python Email Tutorial
This is from python
Romy
"""
context = ssl.create_default_context()
print("Sending")
with smtplib.SMTP_SSL("smtp.gmail.com", port, context=context) as server:
server.login(sender, passw)
server.sendmail(sender, recieve, message)
print("Email sent")
hollow basalt
if only people use codeblocks
what's the error
based on my knowledge, google requires specific configuration to work with SMTP
because SMTP is "less secure" method
warm sleet
EHLO instead of HELO
@hollow basalt you ask the SMTP server to upgrade to SSL
initial conversation is unencrypted
hollow basalt
SMTP used to work, now it's disabled by default
tulip oracle
@nocturne galleon Got it compiled on mingw, I tried using mingw version of make, I think you have to install this through the mingw installer if I recall correctly - this is located under MINGW_INSTALL_PATH/mingw64/bin folder . Didn't work for me either as that I don't have this other program called "sed" installed.
Then again you don't need to use make or the included Makefile. Just observing the Makefile, its barely got any source files that need to be compiled so you can just simply make a shell/batch script and compile it in one line. Just create a batch script with the following:
g++ -Wall -Werror -static-libgcc -static-libstdc++ -O2 -o mchess main.cc CBoard.cc CMove.cc ai.cc CMoveList.cc
Note: You may need to add #include <ctime> at the top of main.cc as I had to do that as well (I think #include <stdlib.h> on linux includes it by default)
@warm sleet cmake is actually a Makefile generator, it reads from CMakeLists.txt and automatically detects the build environment - compilers, library locations, etc and encompasses it into the Makefile. It helps avoid issues where in the Makefile I tried to run had this CC = i686-w64-mingw32-g++ <--- If you didn't have this exact compiler, it wouldn't even compile and would require modification on your part
warm sleet
@tulip oracle ahh, I wasn't aware of that
Any C I've done previously, was either with make, or CMake (but generated with CLion IDE)
tulip oracle
Yeaa, its why I like CLion IDE a lot, it integrates sooooo well with mingw and cmake. It does make programming on windows easier.
warm sleet
@tulip oracle I primarily do my work in java
and IntelliJ just offers a level of integration, I've not seen on any other IDE
Couple years ago, they had their own build system
but its fully maven integrated now, which is amazing.
Previously only Netbeans offered this
JavaEE, Webservices, Databases, and plugins for any other language/markup you are using
All in one place
tulip oracle
Yeah most of the Jetbrains IDEs are really well thought out
Really impressed with Android Studio too, which they made as well
warm sleet
WebStorm is the only seperate IDE I have next to CLion and IntelliJ
mostly because, WebStorm Debugger integration, somehow not able to get it to work the same way in intelliJ
The filewatching stuff with transpiled code, somehow a big iffy with IntelliJ + NodeJS plugin
tulip oracle
mmm work in progress I guess?
warm sleet
Or I am missing some plugins
meh
I got complete jetbrains pack anyways
@tulip oracle ahh yes, and the git integration :D
I used to only need a client for git, to get the little brand-graph visualization
everything else I do with terminal
but IDEA has that built in
submodules, in conjunction with maven modules, works like a charm
warm sleet
CTRL + K
in IDEA for "new commits"
SourceTree I ditched completely
slow ass piece of junk
tulip oracle
Its actually that slow huh?
warm sleet
Yes
tulip oracle
I had no problems with it tbh
warm sleet
yeah
git is fast, sourcetree is not
if you really need a 'gitflow' workflow
you can archieve the same thing, with a handful of shell scripts
or. even better.
use git hooks.
tulip oracle
Unless i decided to use WSL for windows 10
warm sleet
any scripting I do on windows, I just have a .sh and .bat file
the bat file, calls bash -c
so I dont have to fuck around with windows command
@tulip oracle WSL is the biggest piece of shit I've ever used
It lasted a whole week on my system
tulip oracle
Whats wrong with it?
warm sleet
then a windows update came, and the entire WSL instance I have is broken
packages unable to be fetched
WSL2... now that was even worse
WSL2 I got filesystem reads of about ~45MB/s
on an SSD that can push 500MB/s
Just, putting linux in a subsystem of windows, is just.. wrong on so many levels
tulip oracle
ewww what
warm sleet
its WINE, but worse
tulip oracle
Thats hella broken then
warm sleet
WSL is not a compelling argument to use windows for development
any developer who needs a linux environment, will either run a VM, or a dedicated system
tulip oracle
yea was a bit confused you saying compelling argument haha
warm sleet
its just microsoft's lame attempt to keep developers on the platform
because once developers leave your platform, the platform is dead.
Linux users will never use Azure
tulip oracle
My friend got like paid training for Azure and was offered like a shit ton of credit to mess around it too
tulip oracle
I guess they're trying to peddle it to devs
A lot of platform dependencies huh?
What would you recommend, linux in VM or dual boot?
warm sleet
Linux host
Just ditch windows
or put it in a VM
That's what I did for my development machine
tulip oracle
But but mah gaemz lol
warm sleet
Windows desktop for games
my laptop would be illsuited for windows anyways
its dual-core i7 5500U with 8GB ram
warm sleet
I got all kinds of kernel patches on my system, to make it useable
like kernel preemption, some compiler optimizations
it idles <1% cpu
and only if you start up a big program, does it spike 100%
tulip oracle
Battery life must be improved alot
warm sleet
weeeellll
tulip oracle
No lol?
tulip oracle
lmao
warm sleet
yeah..
tulip oracle
Lost its capacity
warm sleet
Its got hybrid graphics with a GeForce 940M
First of all: hybrid graphics suck complete ass
and second: ASUS cannot design laptops.
The GPU and CPU shared the same heatsink/pipes
With GPU enabled, Idle temps @ 61C
with onboard: idles @ 31C
tulip oracle
Whoa thats a huge diff
warm sleet
max load cannot even be archieved with GPU enabled, because it throttles itself to death
@ 104C
with onboard, max load @ 80C
which is fine
tulip oracle
Thats pretty insane...wow
warm sleet
@tulip oracle lol and its useable, after some tweaking
imagine what it was like, out of the box with windows
it had two storage devices: 500GB HDD, and a 24GB SSD
the SSD was ment to "speed up" the HDD
but it was a crappy Kingston SSD that did maybe 250MB/s
and the caching solution, was a software service running in windows
often consuming >50% cpu
tulip oracle
Wtf lol
tulip oracle
Its one of those SSHD?, like you can't access the SSD directly but its used as a cache right?
warm sleet
if its draining battery, and being unuseable
no no
two seperate sata devices
no chipset level magic, pure software
tulip oracle
Oh okay
warm sleet
not having a caching service, would have been more performant
tulip oracle
yea gotta disable that shiet
warm sleet
I use the 24GB ssd it has, as a 'vault' now
luks volume with a tiny distro on it
thats where I do things that aren't 100% kosher
tulip oracle
luks?
warm sleet
LUKS acts as a partition, that when decryped, holds one or more partitions
so you have 1 partition on your disk, and all your regular filesystems inside that LUKS partition
idk, this stuff is alien technology on windows
tulip oracle
Is the encryption necessary?
warm sleet
linux just uses the device mapper for this
@tulip oracle its like bitlocker on windows
except it doesnt suck
tulip oracle
Ah fair enough lol
warm sleet
If you want full disk encryption, then you can use luks
tulip oracle
Never really bothered with any encryption tbh
warm sleet
If you boot a luks system
you get a black screen, with a password prompt
you enter password, then it can boot linux
tulip oracle
So does that mean theres two separate logins you need to do:?
warm sleet
yeah, one is disk encryption
tulip oracle
One for decryption and one for the actual distro?
warm sleet
and the other is regular useraccount
tulip oracle
I see
warm sleet
But I also encrypt all my external storage devices
HDDs and USB sticks are all encrypted
on big external HDDs, I sometimes make two partitions
one NTFS (for windows) and one LUKS (with encryption)
windows cannot read LUKS
tulip oracle
Pretty much isolated yea
warm sleet
if you plug in a LUKS encrypted drive to windows
first thing it suggests: Do you want to format?
tulip oracle
Lol
To a user, unaware would be like I can't read this HDD
Time to format this shit
warm sleet
yea
so you put an NTFS partition at the start of the drive
windows detects it
and doesnt ask further questions
it shows up under partition manager as "RAW"
@tulip oracle cryptsetup luksSuspend
thats the panic command, if the feds knock on your door
tulip oracle
lmao
warm sleet
it pauses the volume
and flushes the key from memory
so you cannot 'deep freeze' the ram with computer forensics
tulip oracle
Do you have alot of stuff to protect/hide?
warm sleet
Not really lol
tulip oracle
I know I don't, people could go through my files for all I care
warm sleet
and at gunpoint, I'd probably give up the details
tulip oracle
lmao
warm sleet
don't want that all over the place
tulip oracle
Hey we call those "backups"
warm sleet
well
its not a backup
if it has the name of a known redistributor in the filename
like so many torrents do
most of the movies I have pirated though, are pretty old
some of em, even in monochrome color (black/white)
tulip oracle
lol
tulip oracle
Tis beyond my time
warm sleet
Its satire about the whole 'commie conspiracy' and mutually assured destruction
its worth watching
its quite amusing :D
Its beyond my time too
tulip oracle
Mmm so this is what is in your encrypted drive
warm sleet
that, with another 300GB music
_>
@tulip oracle on my server, I also use luks
there's customer files on that, so reasons
but that is raid1 with luks
using btrfs
tulip oracle
two disks, both with luks, using the same key
@warm sleet
Good, now tell me the key 😄
tulip oracle
Just need access to a super computer to bruteforce that
warm sleet
cannot brute force it either
tulip oracle
Lol
warm sleet
youd need a supercomputer the size of the galaxy, and then some
tulip oracle
Yea like with a search space of 2^4096
tulip oracle
Yeaa I've seen his vids
warm sleet
you need a gazillion kilogoogles
warm sleet
crypto mining is biggest idiocy I have ever seen
blockchain is a cool concept, but the implementation calls for wasting power.
and with global warming and all, its a shame
vast echo
There are blockchains designed to not use much power
warm sleet
@vast echo tell that to bitcoin
vast echo
Bitcoin is not one of them
warm sleet
yet its the one that everyone wants
and for the foreseeable future, we're stuck with it
foggy ginkgo
Check out Lightning Network?
warm sleet
yeah, that addresses the scaling issues
to get around the limit of amount of transactions/block
bitcoin has a long block timer too
10 minutes
litecoin scales better, with 2 minutes
but still has same issues
afk ,dinner
nocturne galleon
https://gyazo.com/27ce2ae880095931b8fb35f517790272
Firstly, how would I declare the .map, and what is the issue? I can't seem to find it.
And then why does the final bracket on "24, 1" say it is undeclared, even though it is declared at the top of the block.
This is the error message when I try to run it
honest sleet
Anyone using GodotEngine here?
cursive laurel
No but always been tempted to have a look at it. I currently only use UE4.
nocturne galleon
How would you code something like this? Basically a Welcome Message, it autoroles you, and then when you do a .agree command it takes the old role, and gives you another one.
honest sleet
@cursive laurel it's really nice, I'm currently working on multiple project with it and I like it a lot 😃
nocturne galleon
yo anyone know what type is used for the IPAddress in c#?
nevermind, found a method for converting it
hollow basalt
cinder kraken
in c# it's its own class
for going to/from string, you need to use the parse/tryparse methods
warm sleet
@cinder kraken some datatypes in C# are structs
but would make sense that IP is a class, because their spec says it does both v4 and v6
cinder kraken
until dotnet 2 it was a struct
upper perch
does anyone know much SQL can't get this statement to work "CREATE TABLE Suppliers(SupplierIdNo INT,SupplierName VARCHAR(30),SupplierEmail VARCHAR(120),SupplierAddress VARCHAR(300),SupplierPhone INT(11),SupplierWebsite VARCHAR(100),PRIMARY KEY(SupplierIdNo))"
warm sleet
CREATE TABLE foo (
bar VARCHAR(100) NOT NULL,
CONSTRAINT pk_foo PRIMARY KEY (bar)
)
i'll try that
warm sleet
depending on what sql engine you are using ,you may also put PRIMARY KEY directly by the field
but that is bad practice
usually, make a named constraint pk_tablename
foreign keys same way: CONSTRAINT fk_name FOREIGN KEY (keys) REFERENCES othertable(field)
warm sleet
error?
upper perch
well it's through visual studio and it's for my A-Level coursework so i can't use any packages so i have a pre defined executeSql() method
so it won't give me error codes
or informstionb
warm sleet
do you not have an sql console?
upper perch
my method in c# works like this
warm sleet
do you even know what kind of sql engine you are using?
upper perch
warm sleet
you don't typically execute DDL in code
upper perch
No however i have already created a table that works
warm sleet
you do that with a database script, and only use DQL or DML in code
I hope you know what DQL and DML are
upper perch
this is one that works
no not really i don't know much other than the basics for SQL
warm sleet
yeah, but do you know what server your program connects to?
If you can just use an sql workbench, and run queries on the fly
thats how you test and write your queries
once they work, you put them in your code
upper perch
is this it Provider=Microsoft Jet 4.0 OLE DB Provider
upper perch
the whole connection string is ""private const string CONNECTION_STRING = @"Provider=Microsoft Jet 4.0 OLE DB Provider;Data Source = " +
EXAMPLEDB + ";";
exampledb is StockDatabase.mdb
warm sleet
I thought people no longer used ADO.NET
whatever your course is teaching you
that's pre 2010 bullshit
upper perch
honestly we were learning delphi last year so that's no suprise to me
warm sleet
@upper perch honestly, if you want to get a good feel for SQL
just download SQL Server Express
it comes with management panel
can even be made to work with your code
takes minor adjustments to the CONNECTION_STRING
upper perch
ok thanks will have a look
warm sleet
I had to use MS Access during my courses on databases
@upper perch kinda need to get some output from the sql server xD
upper perch
ah fair lol
upper perch
Alright will keep in ming
warm sleet
ADO expects you to configure the data source in the operating system
and that connection string, uses ADO to get the actual datasource through the OS
windows is convoluted in this area. its beyond stupid how microsoft does this stuff
typically
@upper perch this is the string you'd use for SQL server 2019 Server=myServerAddress;Database=myDataBase;User Id=myUsername;Password=myPassword;
IP, database, username & password
in your .NET project. may have to add a nuget package or reference to the Microsoft.Data.SqlClient
upper perch
alright cheers mate
warm sleet
@upper perch https://i.imgur.com/Dxhzl1j.png
This is what you want
class Program {
private const string ConnectionString = "";
static void Main(string[] args) {
SqlConnection connection = new SqlConnection(ConnectionString);
connection.Open();
SqlCommand command = new SqlCommand("query", connection);
command.ExecuteReader()
}
}
minimal amount of code ^
"query" is where your sql goes
ExecuteReader() returns a table reader which you can use to retrieve rows from the query result
upper perch
Yeah i had that as its own method to execute the SQL statements
anyways i have fixed the statement know turns out it was because VARCHAR can only hold up to 255 characters (I had 300) and i was trying to limit the integer through INT(11) which doesn't work so i switched to VARCHAR instead. Thanks for your help anyways tho @warm sleet
warm sleet
@upper perch usually INT for 32 bit, and BIGINT for 64 bit
you can also do unsigned numbers, with UNSIGNED INT
VARCHAR has a limit of 8000
beyond 8000 characters, you just do VARCHAR(max) for maximum of ~2GB
nocturne galleon
im working on a copying program, and im having trouble with glob patterns, how do i get a pattern that matches everything that is not in a node_modules directory?
my current pattern is !**/node_modules/**/*.*, but it only seems to work on some glob pattern testers
vestal glen
! usually only makes an exception for already excluded things
astral garnet
any linux mint users? i'm trying to install a game via steam on a second ssd but for w/e reason it keeps saying the disk isnt writeable :c
OMG nevermind after the 15th time I got it to work ❤️
idk what I did differently
astral garnet
yeah idk
nocturne galleon
is gitlab free?
limpid reef
is gitlab free?
@nocturne galleon they have a free version https://about.gitlab.com/pricing/
nocturne galleon
cause it said the self-hosted is fully featured and free but there is a pricing guide for the self hosted, which has me confused
an article reviewing it said this
but the site says this, implying there is a payment structure for self hosted
wait nvm yeah I see now, you can get more features self hosted for a subscription
so reading what they say, I dont actually need any more than the free version for a solo kid
dusty ermine
Hey any remmendations for free web hosting?
hollow basalt
your own pc
tawny kiln
Hey any remmendations for free web hosting?
@dusty ermine
nocturne crypt
your own pc though
also you can self-host gitlab on your own hardware
and just deploy it that way
warm sleet
@nocturne crypt I wouldn't recommend gitlab to smalltime users.
gitea is much faster and less resource heavy
gitlab ships with a lot of bulk and middleware
@nocturne galleon derivative?
nocturne crypt
i like gitea
warm sleet
@nocturne galleon https://upload.wikimedia.org/wikipedia/commons/thumb/0/0f/Tangent_to_a_curve.svg/1280px-Tangent_to_a_curve.svg.png
You'll have to do this calculation yourself
scipy has a misc module, this should have a derivative() operation
warm sleet
@nocturne galleon not really no
a graph is a type of presentation
which assumes you have the raw data ;)
doesnt matplotlib just take an array of values ?
I don't understand your question
you want to change the scaling on the y-axis?
your lowest value, which is at x=0, is 780
wat.
computer presents that graph
it doesnt see shit
what is it you are trying to archieve lol
because I am confused
cannot be done
well yes
the reason its not been done
is because nobody ever needs this
extracting data from a generated graph, sounds wrong on so many level
because of inaccuracy
wat.
machine learning is a buzzword
it carries no meaning
10% profit in 12, wtf are you talking about lol
tulip oracle
why does this sound like a get rich scheme
warm sleet
bruh
if you want to interact with stock exchange data
use their API
not try to machine-learn-render their graphs
warm sleet
APIs are for programs to talk to other programs
you want your program, to retrieve data from the stock exchange
Ahh yes
obviously
tulip oracle
uhhh
warm sleet
their services cost money too ;)
tulip oracle
Why not spend money...to make money lol?
warm sleet
@tulip oracle yeah but we're trying to crack the secrets of the universe here
how to make millions using nothing but a wallet full of flies
Nah
tulip oracle
no lol
warm sleet
Have you paid any attention in the last 5 minutes?
Then I cannot help you further
You use an API for this kind of stuff.
Some of them, yeah... require paying for it
hollow basalt
Then I cannot help you further
hollow basalt
not try to machine-learn-render their graphs
@warm sleet did someone actually wants to get the data from the graphs?
warm sleet
@nocturne galleon what you described, sounds like Scraping
Its a crude form of reading data from a page
without an API
scraping of images.... IMPOSSIBRUUU
dusty ermine
ya
tulip oracle
but he said machine learning 🙃
warm sleet
@tulip oracle yes. There are efforts using machine learning and computer vision that attempt to identify and extract information from web pages by interpreting pages visually as a human being might.[4]
but trying to scrap stock exchange data off a rendered graph
what if its about millions of dollars
1 pixel difference, rip 100k
hollow basalt
Possible but might require tons of effort
1 pixel difference, rip 100k
this tbh
any margin of error is money burned
💸
warm sleet
Yes, so you NEED accurate data
tulip oracle
A slight deviation in output from a neural network. gg your savings
warm sleet
kk
warm sleet
@hollow basalt cavalry was notified for cleanup
hollow basalt
warm sleet
since the original messages were still there, and not deleted
hollow basalt
warm sleet
@hollow basalt any luck on the ac3 yet?
prime bough
Learning some Lua
reef tangle
Anyone know python that can help me?
spring pond
what do you need help with?
reef tangle
Ill dm you
round dome
yikes
hollow basalt
Smooth
dusty moss
I know a little bit of python, but I'm not super well versed
exotic python
@reef tangle i will help to the best of my ability
nocturne crypt
i love tab errors