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Print Current Mercurial Revision Hash?
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No prob. hg help revisions and hg help revsets has some crazy powerful shortcuts like that.
– Ry4an Brase
Jun 13 '12 at 20:47
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How do I get the value of text input field using JavaScript?
...e, document.getElementById("searchTxt").value;
Note: Method 2,3,4 and 6 returns a collection of elements, so use [whole_number] to get the desired occurrence. For the first element, use [0],
for the second one use 1, and so on...
Method 2:
Use
document.getElementsByClassName('clas...
Polymorphism in C++
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Understanding of / requirements for polymorphism
To understand polymorphism - as the term is used in Computing Science - it helps to start from a simple test for and definition of it. Consider:
Type1 x;
Type2 y;
f(x)...
How to export JavaScript array info to csv (on client side)?
... this nature but I need to do this using JavaScript. I am using Dojo 1.8 and have all the attribute info in array, which looks like this:
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bash: shortest way to get n-th column of output
...repeatedly encounter the following form of columnized output from some command in bash (in my case from executing svn st in my Rails working directory):
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How to echo with different colors in the Windows command line
I know that the color bf command sets the colors of the whole command line window but I wanted to to print one single line in a different color.
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What is the difference between map and flatMap and a good use case for each?
Can someone explain to me the difference between map and flatMap and what is a good use case for each?
16 Answers
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How to round a number to n decimal places in Java
... to be rounded is 5, it always rounds up to the next number. This is the standard method of rounding most people expect in most situations.
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libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...门的朋友指引。
一.下载安装
1.到http://curl.haxx.se/download.html上下载最新版本，由于公司的机器安装rpm有依赖关系，所以直接下载了source
2.编译。解压后进入curl的目录，直接执行 make all 就行。
3.等待编译结束后，可以...
push_back vs emplace_back
I'm a bit confused regarding the difference between push_back and emplace_back .
7 Answers
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