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Showing posts with the label C

How To Do Simple, Reliable Network Messaging?

I'm using sockets for communication between various processes right now. Everything is running … Read more How To Do Simple, Reliable Network Messaging?

Tutorials On Optimizing Non-trivial Python Applications With C Extensions Or Cython

The Python community has published helpful reference material showing how to profile Python code, a… Read more Tutorials On Optimizing Non-trivial Python Applications With C Extensions Or Cython

Ecdsa Signing And Verifying Issue Between Python Ecdsa And C Micro-ecc Library

I am facing an issue when I do the following : Created a Public Private key pair using python for … Read more Ecdsa Signing And Verifying Issue Between Python Ecdsa And C Micro-ecc Library

Implementing Minimization Method

I have a function in 2 variables x1,x2 f = 3*x1^2 + 4*x2^2 + 5*x1 + 6*x2 + 10 Consider x is a row v… Read more Implementing Minimization Method

Pass Argument To Pyrun_file(***)

I am writing some code in C and in Python. I have a python file called sample.py which accepts two … Read more Pass Argument To Pyrun_file(***)

Passing List Of Numpy Arrays To C Using Cython

I have a list list_of_arrays of 3D numpy arrays that I want to pass to a C function with the templa… Read more Passing List Of Numpy Arrays To C Using Cython

Difference Between Np.int, Np.int_, Int, And Np.int_t In Cython?

I am a bit struggled with so many int data types in cython. np.int, np.int_, np.int_t, int I guess … Read more Difference Between Np.int, Np.int_, Int, And Np.int_t In Cython?

Casting Into A Python String From A Char[] Returned By A Dll

I am attempting to cast a C style const char[] string pointer (returned from a DLL) into a Python c… Read more Casting Into A Python String From A Char[] Returned By A Dll

Is There An Equivalent To The Matlab Function Bsxfun In Python?

I'm trying to port some of my code from matlab to python, and some of it uses the bsxfun() func… Read more Is There An Equivalent To The Matlab Function Bsxfun In Python?

Encrypt/unencrypt Python Scripts In C

duplicates (that I havent found answers in): https://stackoverflow.com/questions/4066361/how-to-obf… Read more Encrypt/unencrypt Python Scripts In C

Passing A List Of Strings To From Python/ctypes To C Function Expecting Char **

I have a C function which expects a list \0 terminated strings as input: void external_C( int lengt… Read more Passing A List Of Strings To From Python/ctypes To C Function Expecting Char **

Std::bad_alloc After Replacing Boost:python Function Wrapper With Python/c Api

I had a function in C which I used to extend python, previously using the BOOST_MODULE function to … Read more Std::bad_alloc After Replacing Boost:python Function Wrapper With Python/c Api

How To Pass A 2d Array From Python To C?

I'm trying to pass a 2d array from Python to C, using ctypes. The array dtype is uint16. I wrot… Read more How To Pass A 2d Array From Python To C?

Embedding Matplotlib In C

I have a double pointer in C, and I want to plot it with matplotlib from C. I'm not understandi… Read more Embedding Matplotlib In C

Making This C Array Processing Code More Python (and Even Numpy)

I'm trying to get my head around the amazing list processing abilities of python (And eventuall… Read more Making This C Array Processing Code More Python (and Even Numpy)

Could Not Install Rpy2 Correctly

I try to install rpy2 on my computer with R 3.1.1 using the command: pip install rpy2 --user It ou… Read more Could Not Install Rpy2 Correctly

Calling A C Function From A Python File. Getting Error When Using Setup.py File

My problem is as follows: I would like to call a C function from my Python file and return a value… Read more Calling A C Function From A Python File. Getting Error When Using Setup.py File

C-python Asyncio: Running Discord.py In A Thread

I have to launch discord.py in a separate thread since I can't block my main thread. It is a ga… Read more C-python Asyncio: Running Discord.py In A Thread

Syntax Invalid While Translating C Code To Python

I have C snippet(decompiled from IDA) to be translated to Python: # v29 = 0; # v30 = -134292497… Read more Syntax Invalid While Translating C Code To Python

Modbus Rtu Crc16 Calculation

I'm coding a MODBUS CRC16 calculator in C. What I have before is a python that do this, I wante… Read more Modbus Rtu Crc16 Calculation