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What is the most robust way to force a UIView to redraw?
I have a UITableView with a list of items. Selecting an item pushes a viewController that then proceeds to do the following. from method viewDidLoad I fire off a URLRequest for data that is required by on of my subviews - a UIView subclass with drawRect overridden. When the data arrives from the clo...
Why do you use typedef when declaring an enum in C++?
I haven't written any C++ in years and now I'm trying to get back into it. I then ran across this and thought about giving up:
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Javascript when to use prototypes
... to use prototype methods in js. Should they always be used? Or are there cases where using them is not preferred and/or incurs a performance penalty?
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Python str vs unicode types
...thon 2.7, I'm wondering what real advantage there is in using the type unicode instead of str , as both of them seem to be able to hold Unicode strings. Is there any special reason apart from being able to set Unicode codes in unicode strings using the escape char \ ?:
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What is the purpose of the reader monad?
The reader monad is so complex and seems to be useless. In an imperative language like Java or C++, there is no equivalent concept for the reader monad, if I am not mistaken.
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For every character in string
How would I do a for loop on every character in string in C++?
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代码坏味道(总结) - C/C++ - 清泛网 - 专注C/C++及内核技术
代码坏味道(总结)1.Duplicated Code（重复代码）重复出现相同或相似的代码，需抽取共通，便于维护。2.Long Method（过长函数）函数体尽量简短，内聚性要变...
1.Duplicated Code（重复代码）
重复出现相同或相似的代码，需抽取共...
Linux Shell中 if else及大于、小于、等于逻辑表达式写法 - C/C++ - 清泛网...
... 文件为正规文件为真
-d file 文件为目录为真
-c file 文件为字符特殊文件为真
-b file 文件为块特殊文件为真
-s file 文件大小非0时为真
-t file 当文件描述符(默认为1)指定的设备为终端...
cmake与autoconf+automake的对比 - C/C++ - 清泛网 - 专注C/C++及内核技术
cmake与autoconf+automake的对比首先，拿他们对比本身没有太多的意义，他们都是产生makefile文件的工具。cmake产生的晚，解决了很多autotools工具的问题。autotools是一个...首先，拿他们对比本身没有太多的意义，他们都是产生makefile文...
STL：accumulate与自定义数据类型 - C/C++ - 清泛网 - 专注C/C++及内核技术
STL：accumulate与自定义数据类型C++ STL中有一个通用的数值类型计算函数— accumulate(),可以用来直接计算数组或者容器中C++内置数据类型，例如：#include <numeric>int...C++ STL中有一个通用的数值类型计算函数— accumulate(),可以用来直接...