Ben Wills benwills

## vpn.md

      
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                joepie91
                / vpn.md
            
            
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              May 7, 2024 23:27
            
              
                Don't use VPN services.
              
          
    Don't use VPN services.

No, seriously, don't. You're probably reading this because you've asked what VPN service to use, and this is the answer.
Note: The content in this post does not apply to using VPN for their intended purpose; that is, as a virtual private (internal) network. It only applies to using it as a glorified proxy, which is what every third-party "VPN provider" does.

A Russian translation of this article can be found here, contributed by Timur Demin.
A Turkish translation can be found here, contributed by agyild.
There's also this article about VPN services, which is honestly better written (and has more cat pictures!) than my article.


## gcc-on-osx.md

      
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                danielledeleo
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              May 20, 2022 11:54
            
              
                Compiling and Running C on Mac OS X 10.10 Yosemite
              
          
    Compiling and Running C on Mac OS X Yosemite

If you're like me, you find working on the provided Ubuntu VM to be tortuous and inefficient. It's such a shame to be running an operating system with all of the tools to you need to compile and run simple toy C programs but being forced to use a clunky virtual machine without all your favourite software. Here's what I do to ease the pain.
Mac OS X

This guide was tested on Mac OS X 10.10 Yosemite, but should also work on any version of OS X that Homebrew supports. It should work just fine on Mavericks, plus you get access to valgrind. (valgrind hasn't been ported to 10.10 yet, but it does work on 10.9)
gcc on OS X

By default, if you have Xcode installed, typing gcc into Terminal.app links to the llvm/clang compiler. Although clang is a great, modern compiler it isn't what's specified by the professor and could potentially lead to incompatible code (and lost marks). To avoid this,

  
## multiple-roles-per-user.php
<?php
/**
 * Plugin Name: Multiple Roles per User
 * Description: Allows anyone who can edit users to set multiple roles per user. In a default WordPress environment that wouldn't have much of an effect, since the user would have the privileges of the top-privileged role that you assign to him. But if you have custom roles with custom privileges, this might be helpful.
 * Version: 1
 * Author: nikolov.tmw
 * Author URI: http://paiyakdev.com/
 * License: GPL2
 */
/*

## .htaccess
# Add this code to the .htaccess in your root WordPress directory
# If your wordpress files are in a sub-directory, just change the RewriteBase
# to something like:
# RewriteBase /wordpress/
# If your wordpress files are in a sub-directory called "wordpress"
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /

# Redirect to home page upon log-out

## Demo.c
#include "HMyClass.h"
#include <stdio.h>

void my_eh( const char * error_message, void * unused)
{
  printf("my_eh: %s\n", error_message);
}

int main()
{

## subl-scopes
comment
comment punctuation
comment.block.documentation
comment.block.preprocessor
comment.documentation
constant
constant.character
constant.character punctuation
constant.character.entity
constant.character.escape

## latency.txt
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

## gist:2836941

// CUDA-C includes
#include <cuda.h>
#include <stdio.h>
#include "../common/book.h"

extern "C"
int runCudaPart();

//  CODE goes below

## c89p90p2001.h
#ifndef __C89P90P2001_H__
#define __C89P90P2001_H__

/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 TODO:
  add C11 additions

 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

## Liberal Regex Pattern for All URLs
The regex patterns in this gist are intended to match any URLs,
including "mailto:foo@example.com", "x-whatever://foo", etc. For a
pattern that attempts only to match web URLs (http, https), see:
https://gist.github.com/gruber/8891611


# Single-line version of pattern:

(?i)\b((?:[a-z][\w-]+:(?:/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))
	<?php
	/**
	* Plugin Name: Multiple Roles per User
	* Description: Allows anyone who can edit users to set multiple roles per user. In a default WordPress environment that wouldn't have much of an effect, since the user would have the privileges of the top-privileged role that you assign to him. But if you have custom roles with custom privileges, this might be helpful.
	* Version: 1
	* Author: nikolov.tmw
	* Author URI: http://paiyakdev.com/
	* License: GPL2
	*/
	/*
	# Add this code to the .htaccess in your root WordPress directory
	# If your wordpress files are in a sub-directory, just change the RewriteBase
	# to something like:
	# RewriteBase /wordpress/
	# If your wordpress files are in a sub-directory called "wordpress"
	<IfModule mod_rewrite.c>
	RewriteEngine On
	RewriteBase /

	# Redirect to home page upon log-out
	#include "HMyClass.h"
	#include <stdio.h>

	void my_eh( const char * error_message, void * unused)
	{
	printf("my_eh: %s\n", error_message);
	}

	int main()
	{
	comment
	comment punctuation
	comment.block.documentation
	comment.block.preprocessor
	comment.documentation
	constant
	constant.character
	constant.character punctuation
	constant.character.entity
	constant.character.escape
	Latency Comparison Numbers (~2012)
	----------------------------------
	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns 3 us
	Send 1K bytes over 1 Gbps network 10,000 ns 10 us
	Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD

	// CUDA-C includes
	#include <cuda.h>
	#include <stdio.h>
	#include "../common/book.h"

	extern "C"
	int runCudaPart();

	// CODE goes below
	#ifndef __C89P90P2001_H__
	#define __C89P90P2001_H__

	/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

	TODO:
	add C11 additions

	- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
	The regex patterns in this gist are intended to match any URLs,
	including "mailto:foo@example.com", "x-whatever://foo", etc. For a
	pattern that attempts only to match web URLs (http, https), see:
	https://gist.github.com/gruber/8891611


	# Single-line version of pattern:

	(?i)\b((?:[a-z][\w-]+:(?:/{1,3}\|[a-z0-9%])\|www\d{0,3}[.]\|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]+\|\(([^\s()<>]+\|(\([^\s()<>]+\)))\))+(?:\(([^\s()<>]+\|(\([^\s()<>]+\)))\)\|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))