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理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...d. One could write something like this to get around this:
这里有两个问题。一是可能忘记关闭文件句柄；二是文件读取数据发生异常，没有进行任何处理。下面是处理异常的加强版本：
file = open("/tmp/foo.txt")
try:
data = file.read()
finally:
...
How to send an email from JavaScript
...;
if (rq) {
// Success; attempt to use an Ajax request to a PHP script to send the e-mail
try {
rq.open('GET', 'sendmail.php?to=' + encodeURIComponent(to) + '&subject=' + encodeURIComponent(subject) + '&d=' + new Date().getTime().toString(), true);
...
【PM干货】2015年阿里业务型PM笔试题 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...界面优化方案。
3、淘宝过程中经常存在用户信息泄露的问题，而快递公司必须知道买家的联系方式，淘宝商家利用这个联系方式向用户发送营销信息。
请设计一个流程来改善这个问题，必须包括：
1）分析淘宝卖家、买家和...
原子vector的一种实现源码(atomic-vector) - C/C++ - 清泛网 - 专注C/C++及内核技术
...----------------------------------------------------------+ | HipHop for PHP 来自Facebook的一种实现，源码如下：
/*
+----------------------------------------------------------------------+
| HipHop for PHP ...
Can linux cat command be used for writing text to file?
...text file:
cat > output.txt <<EOF
some text
some lines
EOF
For PHP file:
cat > test.php <<PHP
<?php
echo "Test";
echo \$var;
?>
PHP
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tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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Intel Ethernet Flow Director
RSS解决了cpu的单核心负载高的问题，把不同的数据流分发到不同的cpu上， 但是有可能应用程序并不在该cpu上。
因此Flow Director就是因此而来，它有两种模式：EP（Externally Programed）模式和ATR （automated Appl...
google oauth2 redirect_uri with several parameters
...t;
stateString = base64UrlEncode('{ "a" : "b" , "c" : 1 }');
This is a PHP example of base64UrlEncoding & decoding (http://en.wikipedia.org/wiki/Base64#URL_applications) :
function base64UrlEncode($inputStr)
{
return strtr(base64_encode($inputStr), '+/=', '-_,');
}
function base64UrlD...
Authoritative position of duplicate HTTP GET query keys
...ive you as an array (I have not cared about the order when I tested that), PHP will give you always the last and Java (at least the system I worked with based on Java) always the first value. stackoverflow.com/questions/1809494/…
– SimonSimCity
Mar 8 '12 at 7...
Formatting numbers (decimal places, thousands separators, etc) with CSS
...avascript once it's in the DOM or format it via your language server-side (PHP/ruby/python etc.)
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Getting the location from an IP address [duplicate]
...ccording to their location. Is there a good and reliable way to do this in PHP? I am using JavaScript for client-side scripting, PHP for server-side scripting, and MySQL for the database.
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