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How to select first and last TD in a row?
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4
@clarkk - The > selects direct children only. Without it, all descendants (e.g. children of children) will be selected. To select the 2nd...
Cost of exception handlers in Python
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114
Why don't you measure it using the timeit module? That way you can see whether it's relevant to ...
Search for selection in vim
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answered Dec 12 '08 at 15:45
Christian C. SalvadóChristian C. Salvadó
689k171171 gold badges886886 silver badges826826 bronze badges
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css rotate a pseudo :after or :before content:“”
...play: inline-block to transform them:
#whatever:after {
content:"\24B6";
display: inline-block;
-webkit-transform: rotate(30deg);
-moz-transform: rotate(30deg);
-o-transform: rotate(30deg);
-ms-transform: rotate(30deg);
transform: rotate(30deg);
}
<div id="whatever">...
Sample random rows in dataframe
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460
First make some data:
> df = data.frame(matrix(rnorm(20), nrow=10))
> df
X1 ...
MySQL Fire Trigger for both Insert and Update
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derobertderobert
44.2k99 gold badges8484 silver badges117117 bronze badges
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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...
How do I create an empty array in YAML?
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edited Feb 24 '11 at 22:50
answered Feb 24 '11 at 20:54
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Set multiple properties in a List ForEach()?
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Justin NiessnerJustin Niessner
225k3434 gold badges383383 silver badges515515 bronze badges
add a...
Knockout.js bound input value not updated when I use jquery .val('xyz')
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142
.val() does not trigger the change event. So, you can just do .val("blah").change() for KO to ...