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What is the difference between a var and val definition in Scala?
..., if an object doesn't change internal state, you don't have to worry if som>me m> other part of your code is changing it. For example:
x = new B(0)
f(x)
if (x.value.value == 0)
println("f didn't do anything to x")
else
println("f did som>me m>thing to x")
This becom>me m>s particularly important with multi...
Find text string using jQuery?
...
jQuery has the contains m>me m>thod. Here's a snippet for you:
<script type="text/javascript">
$(function() {
var foundin = $('*:contains("I am a simple string")');
});
</script>
The selector above selects any elem>me m>nt that contains th...
How can I post an array of string to ASP.NET MVC Controller without a form?
...ASP.NET MVC and JQuery, and one of the pages is a list of items in which som>me m> can be selected. Then I would like to press a button and send a List (or som>me m>thing equivalent) to my controller containing the ids of the items that were selected, using JQuery's Post function.
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How to format a number as percentage in R?
One of the things that used to perplex m>me m> as a newby to R was how to format a number as a percentage for printing.
10 Answe...
__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...的方式。下面介绍几个常见的属性参数。
__attribute__ format
该__attribute__属性可以给被声明的函数加上类似printf或者scanf的特征，它可以使编译器检查函数声明和函数实际调用参数之间的格式化字符串是否匹配。该功能十分有用...
Programmatically create a UIView with color gradient
...ew with a gradient color background (A solid color to transparent) at runtim>me m>. Is there a way of doing that?
19 Answers
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google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
google mock分享（全网最全最好的gmock文档，没有之一）google_mockContentMatcher（匹配器）基数（Cardinalities）行为（Actions）序列（Sequences）Google Mock 入门概述Google Mock使用Mock实践Google Mock Cookbook什么是Mock?Google Moc
Content
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UINavigationController “back button” custom text?
...in
target:nil
action:nil];
As Tyler said in the comm>me m>nts:
don't do this in the visible view controller, but in the view
controller that you'd see if you hit the back button
share
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Remove rows with all or som>me m> NAs (missing values) in data.fram>me m>
I'd like to remove the lines in this data fram>me m> that:
16 Answers
16
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What is the proper way to check for null values?
...answer to my question so I'm marking the answer, but Jon Skeet's extension m>me m>thod .ToStringOrDefault() is my preferred way of doing it. However, I am using this answer within Jon's extension m>me m>thod ;)
– Chev
Mar 20 '12 at 14:33
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