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How do you Encrypt and Decrypt a PHP String?
...ibsodium.
Example with defuse/php-encryption
<?php
/**
* This requires https://github.com/defuse/php-encryption
* php composer.phar require defuse/php-encryption
*/
use Defuse\Crypto\Crypto;
use Defuse\Crypto\Key;
require "vendor/autoload.php";
// Do this once then store it somehow:
$key = ...
asynchronous vs non-blocking
...(as supported by Windows sockets), or the asynchronous IO pattern used in .NET, are more convenient. You call a method to start an operation, and the framework calls you back when it's done. Even here, there are basic differences. Asynchronous Win32 sockets "marshal" their results onto a specific GU...
Set focus on TextBox in WPF from view model
...overflow :).
The best way to track down issues with Focus is... debugging .Net source code. No kidding. It saved me a lot of time many times. To enable .net source code debugging refer to Shawn Bruke's blog.
Finally, general approach that I use to set focus from ViewModel is Attached Properties. I w...
How can I build a small operating system on an old desktop computer? [closed]
...
http://www.osdev.org/
and
http://www.osdever.net/
welcome to the OS Development world.
See also other x86 documentation links in SO's x86 tag wiki: Intel and AMD manuals, compiler / assembler docs, and various guides.
It also suggests using BOCHS or other virtual en...
How do I pass variables and data from PHP to JavaScript?
...or vanilla JavaScript.
You can read more about the dataset property here: https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement.dataset
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Fastest hash for non-cryptographic uses?
...astest one, while many others beat older hashes, like CRC32, MD5 and SHA.
https://code.google.com/p/xxhash/
Note that this is the ordering on a 32-bit compilation. On a 64-bit compilation the performance order is likely very different. Some of the hashes are heavily based on 64-bit multiplications...
What are the differences between delegates and events?
....
Quote from article:
Suppose events didn't exist as a concept in C#/.NET. How would another class subscribe to an event? Three options:
A public delegate variable
A delegate variable backed by a property
A delegate variable with AddXXXHandler and RemoveXXXHandler methods
Op...
Resumable downloads when using PHP to send the file?
...
EDIT 2017/01 - I wrote a library to do this in PHP >=7.0 https://github.com/DaveRandom/Resume
EDIT 2016/02 - Code completely rewritten to a set of modular tools an an example usage, rather than a monolithic function. Corrections mentioned in comments below have been incorporated.
...
Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
...years old and a frequently searched topic. It has received only a very few net upvotes in the last several years so maybe people are coming around :).
– BeeOnRope
May 20 '19 at 23:19
...
Performance difference for control structures 'for' and 'foreach' in C#
... current = current.Next;
}
while (current != null);
}
In .NET you will find that the LinkedList<T> class does not even have an indexer, so you wouldn't be able to do your for loop on a linked list; but if you could, the indexer would have to be written like so:
public T this[...