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CentOS 6.4下Squid代理服务器的安装与配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...理服务器对外就表现为一个服务器。
官方地址：http://www.squid-cache.org/
参考文档：http://www.squid-cache.org/Doc/config/
二、系统环境
操作系统：CentOS release 6.4 (Final)
Squid版本：squid-3.1.10-20.el6_5.3.x86_64
SELINUX=disabled
HTTP Service: stoped
...
How to delete or add column in SQLITE?
...e a column, or add or
remove constraints from a table.
source : http://www.sqlite.org/lang_altertable.html
While you can always create a new table and then drop the older one.
I will try to explain this workaround with an example.
sqlite> .schema
CREATE TABLE person(
id INTEGER PRIMARY KE...
Is Java really slow?
...
Applets take forever to load, because of transmitting a full JAR over the network and loading the VM to boot.
Synchronization used to carry a heavy performance penalty (this has been optimized with each Java version). Reflection is still costly, though.
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提升速度：XP注册表与驱动优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...:这个功能前面已经讲过了，在这里可以改为手动启动。
Net Logon(网络注册):处理象注册信息那样的网络安全功能。你可以把它改为手动启动。
Network DDE和Network DDE DSDM(动态数据交换):除非你准备在网上共享你的Office，否则你应该...
How to center a (background) image within a div?
...ed Feb 18 '11 at 10:36
TimCodes.NETTimCodes.NET
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...
How to say “should_receive” more times in RSpec
...east(n).times.with(@project).and_return(@project)
more details at https://www.relishapp.com/rspec/rspec-mocks/v/2-13/docs/message-expectations/receive-counts under Receive Counts
Hope it helps =)
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How to specify a port number in SQL Server connection string?
...y an instance name when specifying the port.
Lots more examples at http://www.connectionstrings.com/. It's saved me a few times.
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How to use ternary operator in razor (specifically on HTML attributes)?
...
For those of you who use ASP.net with VB razor the ternary operator is also possible.
It must be, as well, inside a razor expression:
@(Razor_Expression)
and the ternary operator works as follows:
If(BooleanTestExpression, "TruePart", "FalsePart")
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Automatic counter in Ruby for each?
...on't know it, you're going to be in big trouble (try: http://poignantguide.net/ruby/).
Taken from the Ruby source code:
hash = Hash.new
%w(cat dog wombat).each_with_index {|item, index|
hash[item] = index
}
hash #=> {"cat"=>0, "wombat"=>2, "dog"=>1}
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How is an HTTP POST request made in node.js?
... method: 'POST',
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
'Content-Length': Buffer.byteLength(post_data)
}
};
// Set up the request
var post_req = http.request(post_options, function(res) {
res.setEncoding('utf8');
res.on('dat...