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How to initialize log4j properly?
After adding log4j to my application I get the following output every time I execute my application:
24 Answers
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How can I loop through a C++ map of maps?
How can I loop through a std::map in C++? My map is defined as:
9 Answers
9
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How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?
My current version of ruby is ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.5.0] but I want to update it to the latest patch level using rvm. How can I do this?
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How do I get the opposite (negation) of a Boolean in Python?
For the following sample:
7 Answers
7
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How do I get the day of the week with Foundation?
How do I get the day of the week as a string?
13 Answers
13
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MySQL get the date n days ago as a timestamp
In MySQL, how would I get a timestamp from, say 30 days ago?
3 Answers
3
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C++ 读写xml方法整理（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...小巧，直接加入工程源码编译，只支持MFC。
<?xml version="1.0" encoding="utf-8"?>
<root>
<update ver="1.2.0" pkg="setup.exe" force="1"/>
<update ver="1.1.1" pkg="setup.exe" force="0"/>
<update ver="1.1.0" pkg="setup.exe" force="0"/>
</root>
CMarkup markup;
bool bSucceed...
how to use sed, awk, or gawk to print only what is matched?
I see lots of examples and man pages on how to do things like search-and-replace using sed, awk, or gawk.
11 Answers
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Shell command to sum integers, one per line?
I am looking for a command that will accept (as input) multiple lines of text, each line containing a single integer, and output the sum of these integers.
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Best way to extract a subvector from a vector?
Suppose I have a std::vector (let's call it myVec ) of size N . What's the simplest way to construct a new vector consisting of a copy of elements X through Y, where 0
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