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Ubuntu下CodeBlock开发环境配置 - C/C++ - 清泛网 - 专注C/C++及内核技术
...配置：
1》基本编译运行环境的配置：
这里笔者先以Qt4的开发配置为例，Qt是一个跨平台的C++应用程序框架，具有少编程、多创造、尽使用的特点，个人感觉功能比较强大，API使用比MFC简单，对Linux编程感兴趣的不妨试试（当然...
CMFCTabCtrl的使用、颜色样式调整 - C/C++ - 清泛网 - 专注C/C++及内核技术
...效果等。1.在指定位置处创建一个CMFCTabCtrl，并给其添加4个CEdit:
CRect rectTab;
CEdit m_wnd1;
CEdit m_wnd2;
CEdit m_wnd3;
CEdit m_wnd4;
CMFCTabCtrl m_wndTab;
m_wndTabLoc.GetWindowRect (&rectTab);
ScreenToClient (&rectTab);
m_wndTab.Create (CMFCTabCtrl::STYLE_3D, r...
Laravel 4 Eloquent Query Using WHERE with OR AND OR?
...
481
Make use of Parameter Grouping (Laravel 4.2). For your example, it'd be something like this:
...
How do you match only valid roman numerals with a regular expression?
...
You can use the following regex for this:
^M{0,4}(CM|CD|D?C{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})$
Breaking it down, M{0,4} specifies the thousands section and basically restrains it to between 0 and 4000. It's a relatively simple:
0: <empty> matched by M{0}
...
How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?
Have you ever taken a look under the hood at the jQuery 1.4 source code and noticed how it's encapsulated in the following way:
...
Logic to test that 3 of 4 are True
I want to return True if and only if 3 out of 4 boolean values are true.
27 Answers
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MySQL - why not index every field?
...|
edited Mar 27 '11 at 0:04
answered Mar 26 '11 at 23:33
Br...
Why is it slower to iterate over a small string than a small list?
...thon3 -m timeit '[x for x in ["a", "b", "c"]]'
1000000 loops, best of 3: 0.436 usec per loop
This disagrees with what you've found...
You must be using Python 2, then.
>>> python2 -m timeit '[x for x in "abc"]'
1000000 loops, best of 3: 0.309 usec per loop
>>> python2 -m timei...
Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术
...符号的编码都
不一样, 比如, U+0639表示阿拉伯字母Ain, U+0041表示英语的大写字母A, U+4E25表示汉
字"严". 具体的符号对应表, 可以查询unicode.org, 或者专门的汉字对应表.
2.2 Unicode的问题
需要注意的是, "Unicode只是一个符号集, 它...
What is the difference between shallow copy, deepcopy and normal assignment operation?
...inal.
Here's a little demonstration:
import copy
a = [1, 2, 3]
b = [4, 5, 6]
c = [a, b]
Using normal assignment operatings to copy:
d = c
print id(c) == id(d) # True - d is the same object as c
print id(c[0]) == id(d[0]) # True - d[0] is the same object as c[0]
Using a shall...