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剖析程序的内存布局 - C/C++ - 清泛网 - 专注C/C++及内核技术
...理非常重要。今后的几篇文章中，我将着眼于实际的内存问题，但也不避讳其中的技术内幕。由于不少概念是通用的，所以文中大部分例子取自32位x86平台的Linux和Windows系统。本系列第一篇文章讲述应用程序的内存布局。
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Why doesn't this code simply print letters A to Z?
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From the docs:
PHP follows Perl's convention when dealing with arithmetic operations on character variables and not C's.
For example, in Perl 'Z'+1 turns into 'AA', while in C 'Z'+1 turns into '[' ( ord('Z') == 90, ord('[') == 91 ).
Note th...
Characters allowed in a URL
...789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.-_~
Note: Before PHP 5.3.0 rawurlencode() encoded ~ because of RFC 1738. But this was replaced by RFC 3986 so its safe to use, now. But I do not understand why for example {} are encoded through rawurlencode() because they are not mentioned i...
Avoid dropdown menu close on click inside
... edited Feb 9 '15 at 0:12
php-dev
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answered Aug 8 '14 at 4:32
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How do I install a custom font on an HTML site
I am not using flash or php - and I have been asked to add a custom font to a simple HTML layout. "KG June Bug"
6 Answers
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Detect Android phone via Javascript / jQuery
...to Android-site?
window.location = 'http://android.davidwalsh.name';
}
PHP:
$ua = strtolower($_SERVER['HTTP_USER_AGENT']);
if(stripos($ua,'android') !== false) { // && stripos($ua,'mobile') !== false) {
header('Location: http://android.davidwalsh.name');
exit();
}
Edit : As poin...
How to get xdebug var_dump to show full object/array
I am using xdebug (php_xdebug-2.1.2-5.3-vc9.dll) on WAMP . When I use var_dump on a large object or variable it does not show the full variable.
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What is the cleanest way to get the progress of JQuery ajax request?
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http://www.htmlgoodies.com/beyond/php/show-progress-report-for-long-running-php-scripts.html
I was searching for a similar solution and found this one use full.
var es;
function startTask() {
es = new EventSource('yourphpfile.php');
//a message is rec...
@ character before a function call
What is the difference between these two function calls in PHP?
5 Answers
5
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Any equivalent to .= for adding to beginning of string in PHP?
...quired parameter of the function, it needs to be passed to the function or PHP will complain. This means this check can be abbreviated to if ($chunk) (to see if it's falsy a.k.a. "empty"). But, if $chunk doesn't contain anything, nothing will happen anyway. So this whole function body can be abbrevi...