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What is a plain English explanation of “Big O” notation?
I'd prefer as little formal definition as possible and simple mathematics.
41 Answers
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MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...激活窗口
SWP_NOMOVE：保持当前位置（忽略x和y）
SWP_NOREDRAW：窗口不自动重画
SWP_NOSIZE：保持当前大小（忽略cx和cy）
SWP_NOZORDER：保持窗口在列表的当前位置（忽略hWndInsertAfter）
SWP_SHOWWINDOW：显示窗口
这些参数可...
How do I check if a string is unicode or ascii?
...bytes type that holds raw bytes.
In Python 2, a string may be of type str or of type unicode. You can tell which using code something like this:
def whatisthis(s):
if isinstance(s, str):
print "ordinary string"
elif isinstance(s, unicode):
print "unicode string"
else:
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Determine Whether Two Date Ranges Overlap
Given two date ranges, what is the simplest or most efficient way to determine whether the two date ranges overlap?
35 Answ...
How to use SVN, Branch? Tag? Trunk?
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The subversion book is an excellent source of information on strategies for laying out your repository, branching and tagging.
See also:
Do you continue development in a branch or in the trunk
Branching strategies
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Is there shorthand for returning a default value if None in Python? [duplicate]
...if x is not null, and the empty string if x is null. I've found it useful for working with databases.
5 Answers
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How can I replace a newline (\n) using sed?
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Append the current and next line to the pattern space via N.
If we are before the last line, branch to the created label $!ba ($! means not to do it on the last line as there should be one final newline).
Finally the substitution replaces every newline with a space on the pattern space (which is th...
What is the javascript filename naming convention? [closed]
Should files be named something-with-hyphens.js, camelCased.js, or something else?
5 Answers
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If Python is interpreted, what are .pyc files?
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@froadie: a language is not "interpreted" or "compiled" as such. A specific implementation can be an interpreter or a compiler (or a hybrid or a JIT compiler).
– Joachim Sauer
Jun 8 '10 at 14:41
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Why not use Double or Float to represent currency?
I've always been told never to represent money with double or float types, and this time I pose the question to you: why?
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