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How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...t_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE');
}, $str);
In case it's UTF-16 based C/C++/Java/Json-style:
$str = preg_replace_callback('/\\\\u([0-9a-fA-F]{4})/', function ($match) {
return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UTF-16BE');
}, $str);
...
Combine multiple Collections into a single logical Collection?
...Now, I want to expose all the elements to other classes so they can simply iterate over all elements (ideally, read only).
I'm using guava collections and I wonder how I could use guava iterables/iterators to generate a logical view on the internal collections without making temporary copies.
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How do I make an asynchronous GET request in PHP?
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$output = file_get_contents('http://www.example.com/');
echo $output;
Edit: One way to fire off a GET request and return immediately.
Quoted from http://petewarden.typepad.com/searchbrowser/2008/06/how-to-post-an.html
function curl_post_async($url, $params)
{
foreach ($params as $key => ...
How to show math equations in general github's markdown(not github's blog)
After investigating, I've found mathjax can do this. But when I write some example in my markdown file, it doesn't show the correct equations:
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How to generate a random int in C?
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Note: Don't use rand() for security. If you need a cryptographically secure number, see this answer instead.
#include <time.h>
#include <stdlib.h>
srand(time(NULL)); // Initialization, should only be called once.
int r = rand(); // Ret...
Is it possible to use a div as content for Twitter's Popover
I am using twitter's bootstrap's popover here . Right now, when i scroll over the popover text a popover appears with just text from the <a> 's data-content attribute. I was wondering if there was anyway to put a <div> inside the popover. Potentially, I would like to use php and...
How to create directories recursively in ruby?
...follow
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edited May 3 '17 at 19:45
answered Sep 10 '10 at 15:49
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How to implement a tree data-structure in Java? [closed]
...s a basic tree structure that can be used for String or any other object. It is fairly easy to implement simple trees to do what you need.
All you need to add are methods for add to, removing from, traversing, and constructors. The Node is the basic building block of the Tree.
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Eclipse: Can you format code on save?
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Under Preferences, choose Java --> Editor --> Save Actions. Check the Perform the selected actions on save, and check the Format source code box.
This may or may not be available in previous versions of Eclipse. I know it works in:
Version: 3.3.3.r33x_r20...
Java8 Lambdas vs Anonymous classes
Since Java8 has been recently released and its brand new lambda expressions looks to be really cool, I was wondering if this means the demise of the Anonymous classes that we were so used to.
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