deep-programmer

People

:bowtie:	😄 :smile:	😆 :laughing:
😊 :blush:	😃 :smiley:	☺️ :relaxed:
😏 :smirk:	😍 :heart_eyes:	😘 :kissing_heart:
😚 :kissing_closed_eyes:	😳 :flushed:	😌 :relieved:
😆 :satisfied:	😁 :grin:	😉 :wink:
😜 :stuck_out_tongue_winking_eye:	😝 :stuck_out_tongue_closed_eyes:	😀 :grinning:
😗 :kissing:	😙 :kissing_smiling_eyes:	😛 :stuck_out_tongue:

deep-programmer

Travel Guide to OpenGL

I've figured out several things while trying to extend my knowledge of Computer Graphics.

1. OpenGL can be a bitch if you don't know what you're doing.
2. There is no worse pain than to experience CMake without knowing what you're doing.
3. When walking to the depths of hell, it would be nice to have a travel guide.

And that's what this is, a travel guide.

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Effective Modern CMake

Getting Started

For a brief user-level introduction to CMake, watch C++ Weekly, Episode 78, Intro to CMake by Jason Turner. LLVM’s CMake Primer provides a good high-level introduction to the CMake syntax. Go read it now.

After that, watch Mathieu Ropert’s CppCon 2017 talk Using Modern CMake Patterns to Enforce a Good Modular Design (slides). It provides a thorough explanation of what modern CMake is and why it is so much better than “old school” CMake. The modular design ideas in this talk are based on the book [Large-Scale C++ Software Design](https://www.amazon.de/Large-Scale-Soft

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High-Performance Matrix Multiplication

This is a short post that explains how to write a high-performance matrix multiplication program on modern processors. In this tutorial I will use a single core of the Skylake-client CPU with AVX2, but the principles in this post also apply to other processors with different instruction sets (such as AVX512).

Intro

Matrix multiplication is a mathematical operation that defines the product of

deep-programmer

#!/bin/bash

pdftk "$1" output uncompressed.pdf uncompress
LANG=C sed -n '/^\/Annots/!p' uncompressed.pdf > stripped.pdf
pdftk stripped.pdf output "$2" compress

# clean
rm uncompressed.pdf stripped.pdf

deep-programmer

#!/usr/bin/env python

"""A simple python script template.

"""

from __future__ import print_function
import os
import sys
import argparse

deep-programmer

Bash getopt long options with values usage example

#!/bin/bash -e

ARGUMENT_LIST=(
    "arg-one"
    "arg-two"
    "arg-three"
)

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// Reference: http://www.blackdogfoundry.com/blog/moving-repository-from-bitbucket-to-github/
// See also: http://www.paulund.co.uk/change-url-of-git-repository

$ cd $HOME/Code/repo-directory
$ git remote rename origin bitbucket
$ git remote add origin https://github.com/mandiwise/awesome-new-repo.git
$ git push origin master

$ git remote rm bitbucket

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Orthodox C++

What is Orthodox C++?

Orthodox C++ (sometimes referred as C+) is minimal subset of C++ that improves C, but avoids all unnecessary things from so called Modern C++. It's exactly opposite of what Modern C++ suppose to be.

Why not Modern C++?