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Check if a JavaScript string is a URL
...{1,3}\\.){3}\\d{1,3}))'+ // OR ip (v4) address
'(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*'+ // port and path
'(\\?[;&a-z\\d%_.~+=-]*)?'+ // query string
'(\\#[-a-z\\d_]*)?$','i'); // fragment locator
return !!pattern.test(str);
}
...
Node.js get file extension
...inted out, and not write your own. More info: nodejs.org/api/path.html#path_path_extname_p
– xentek
Feb 23 '14 at 6:20
...
What is the best way to prevent session hijacking?
...
// Collect this information on every request
$aip = $_SERVER['REMOTE_ADDR'];
$bip = $_SERVER['HTTP_X_FORWARDED_FOR'];
$agent = $_SERVER['HTTP_USER_AGENT'];
session_start();
// Do this each time the user successfully logs in.
$_SESSION['ident'] = hash("sha256", $aip . $bip . $a...
Programmatically generate video or animated GIF in Python?
...longer movies, use the streaming approach:
import imageio
with imageio.get_writer('/path/to/movie.gif', mode='I') as writer:
for filename in filenames:
image = imageio.imread(filename)
writer.append_data(image)
...
How does Facebook disable the browser's integrated Developer Tools?
...ason.
Chrome wraps all console code in
with ((console && console._commandLineAPI) || {}) {
<code goes here>
}
... so the site redefines console._commandLineAPI to throw:
Object.defineProperty(console, '_commandLineAPI',
{ get : function() { throw 'Nooo!' } })
This is not qu...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...)<sizeof(int)' is false.
..22 floating point is always IEEE
but 'STDC_IEC_559_is_defined' is false.
..25 pointer arithmetic works outside arrays
but '(diff=&var.int2-&var.int1, &var.int1+diff==&var.int2)' is false.
From what I can say with my puny test cases, you are Stop at...
Hash Map in Python
...anged easily.
Rehashing is out of scope of this code.
class Node:
def __init__(self, key, value):
self.key = key
self.value = value
self.next = None
class HashMap:
def __init__(self):
self.store = [None for _ in range(16)]
def get(self, key):
ind...
history.replaceState() example?
...
For jquery users.. try $("title").html(_title);
– suraj jain
Sep 5 '16 at 13:11
...
How to check iOS version?
...
/*
* System Versioning Preprocessor Macros
*/
#define SYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)
#define SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersi...
HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...参数的设置
log 127.0.0.1 local0 info
# log语法：log <address_1>[max_level_1] # 全局的日志配置，使用log关键字，指定使用127.0.0.1上的syslog服务中的local0日志设备，记录日志等级为info的日志
user haproxy
group haproxy
# 设置运行hapro...