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Should I use string.isEmpty() or “”.equals(string)?
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@David dead link; here's a live one docjar.com/html/api/java/lang/String.java.html#1011
– Matt Ball
Apr 8 '12 at 14:31
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Edit line thickness of CSS 'underline' attribute
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Here is one way of achieving this :
HTML :
<h4>This is a heading</h4>
<h4><u>This is another heading</u></h4>
CSS :
u {
text-decoration: none;
border-bottom: 10px solid black;
}
Here is an example: h...
Is there a Python caching library?
...n is here: https://joblib.readthedocs.io/en/latest/generated/joblib.Memory.html
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Are delphi variables initialized with a value by default?
...s all explained in the Delphi help files at ms-help://borland.bds4/bds4ref/html/Variables.htm. In Delphi 2009 I found the same info by searching the help for "variables" (funnily enough I tried lots of searches but I didn't think to try that one).
– MB.
Sep 25...
STL中map容器使用自定义key类型报错详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Pr详解可见：http://www.cnblogs.com/zjfdlut/archive/2011/08/12/2135698.html
解决方法
好了，知道了出错原因，我们就自己重载<操作符了：
bool operator<(const a& a1, const a& a2)
{
if ( a1.m_a>=a2.m_a )
return false;
return true;
}
编译OK...
How to do a non-greedy match in grep?
...se the .*? pattern to achieve the same result. egrep -o 'start.*?end' text.html
– SaltyNuts
Feb 21 '14 at 16:05
4
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How to increase IDE memory limit in IntelliJ IDEA on Mac?
...EA configuration docs at jetbrains.com/idea/webhelp/increasing-memory-heap.html as mentioned by michael-m.
– Michael G. Noll
Jul 10 '13 at 9:56
6
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apache redirect from non www to www
...-d
RewriteCond %{REQUEST_fileNAME} !-f
RewriteRule ^(([^/]+/)*[^./]+)$ /$1.html [R=301,L]
Where YourSite.com must be replaced with your URL.
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What is the default initialization of an array in Java?
...ay,
Quoting from the jls spec http://docs.oracle.com/javase/specs/jls/se7/html/jls-4.html#jls-4.12.5
"array component is initialized with a default value when it is created"
I think irrespective of whether array is local or instance or class variable it will with default values
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convert ArrayList to JSONArray
...ray constructor:
http://developer.android.com/reference/org/json/JSONArray.html#JSONArray%28java.util.Collection%29
collection:
http://developer.android.com/reference/java/util/Collection.html
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