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How to automatically generate a stacktrace when my program crashes
...to know the gory details, the best source is unfortunately the source: See http://sourceware.org/git/?p=glibc.git;a=blob;f=debug/segfault.c and its parent directory http://sourceware.org/git/?p=glibc.git;a=tree;f=debug
shar...
How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
In Firefox 3, the answer is 6 per domain: as soon as a 7th XmlHttpRequest (on any tab) to the same domain is fired, it is queued until one of the other 6 finish.
...
Escaping single quote in PHP when inserting into MySQL [duplicate]
...each of these strings (in both snippets) with mysql_real_escape_string().
http://us3.php.net/mysql-real-escape-string
The reason your two queries are behaving differently is likely because you have magic_quotes_gpc turned on (which you should know is a bad idea). This means that strings gathered ...
warning about too many open figures
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Can someone explain the dollar sign in Javascript?
...
The $ sign is an identifier for variables and functions.
https://web.archive.org/web/20160529121559/http://www.authenticsociety.com/blog/javascript_dollarsign
That has a clear explanation of what the dollar sign is for.
Here's an alternative explanation: http://www.vcarrer.com/20...
Nested or Inner Class in PHP
... did not make it (No voting yet, no update since 2013 - as of 2016/12/29):
https://wiki.php.net/rfc/nested_classes
class foo {
public class bar {
}
}
At least, anonymous classes made it into PHP 7
https://wiki.php.net/rfc/anonymous_classes
From this RFC page:
Future Scope
The changes mad...
Setting PayPal return URL and making it auto return?
...efault.
To turn on Auto Return:
Log in to your PayPal account at https://www.paypal.com or https://www.sandbox.paypal.com
The My Account Overview page appears.
Click the gear icon top right.
The Profile Summary page appears.
Click the My Selling Preferences link in the left colum...
__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
... ...){ /* 函数定义 */}
更多的属性含义参考：http://gcc.gnu.org/onlinedocs/gcc-4.0.0/gcc/Function-Attributes.html
变量属性（Variable Attributes）
关键字__attribute__也可以对变量（variable）或结构体成员（structure
field）进行属性设置...
Unable to find a locale path to store translations for file __init__.py
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Does Swift support reflection?
...me"
reflect(Fruit())[0].1.summary // "Apple"
From mchambers gist, here:
https://gist.github.com/mchambers/fb9da554898dae3e54f2
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