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Rails - How to use a Helper Inside a Controller
... use these methods. Also, including the helper into the controller exposes all the helper's methods as publicly accessible actions which is not good. view_context is the way to go in Rails 3.
– GregT
Sep 12 '13 at 3:48
...
What is self-documenting code and can it replace well documented code? [closed]
... class) has a clear semantic name. Having more comments than necessary actually makes it harder (!) to read the code, so if your colleague
writes documentation comments (Doxygen, JavaDoc, XML comments etc.) for every class, member, type and method AND
clearly comments any parts of the code that ar...
Why does the C++ STL not provide any “tree” containers?
...we have
std::map (and std::multimap)
std::set (and std::multiset)
Basically the characteristics of these two containers is such that they practically have to be implemented using trees (though this is not actually a requirement).
See also this question:
C tree Implementation
...
How do I detect that an iOS app is running on a jailbroken phone?
... jailbreak. In the simple case, you should be able to see if Cydia is installed and go by that - something like
NSString *filePath = @"/Applications/Cydia.app";
if ([[NSFileManager defaultManager] fileExistsAtPath:filePath])
{
// do something useful
}
For hacked kernels, it's a little (lot) m...
Cannot open database “test” requested by the login. The login failed. Login failed for user 'xyz\ASP
...answered Apr 4 '10 at 21:16
marc_smarc_s
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How can I strip first X characters from string using sed?
I am writing shell script for embedded Linux in a small industrial box. I have a variable containing the text pid: 1234 and I want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} does...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...级缓存，静态化客户端页面缓存（http header中包含Expires Cache of Control，last modified(304，...一、 设计理念
1. 空间换时间
1) 多级缓存，静态化
客户端页面缓存（http header中包含Expires/Cache of Control，last modified(304，server不返回body...
Changing one character in a string
...t;assign->free" more efficent than s[6]='W'? Hmm... Why other languages allow it, in spite of that "lot" of reasons? Interesting how a strange design can be defended (for love I suppose). Why not suggest adding a function MID(strVar,index,newChar) to Python core that direct accesses the char memo...
bat 写注册表 及权限提升 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...存在会自动创建，否则更新键值）：reg add "HKLM Software Microsoft Windows CurrentVersion ...写注册表脚本例子如下（key为“Path”， key不存在会自动创建，否则更新键值）：
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\App Paths\Test" /v "Pat...
C# 如何读取解析结构不完整的XML内容？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
C# 如何读取解析结构不完整的XML内容？一般情况下C#解析XML采用如下方式（本地XML、远程url都适用）：public XmlDocument GetXMLFromUrl(string strUrl) { Xm...一般情况下C#解析XML采用如下方式（本地XML、远程url都适用）：
public XmlDocumen...