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Why does C++ require a user-provided default constructor to default-construct a const object?
...Working Group (CWG) Defect 253. The new wording for the standard states in http://eel.is/c++draft/dcl.init#7
A class type T is const-default-constructible if
default-initialization of T would invoke a user-provided constructor
of T (not inherited from a base class) or if
each direct ...
How to change CSS using jQuery?
...ry API documentation explicitly states that either notation is acceptable: http://api.jquery.com/css/
The actual problem is that you are missing a closing curly brace on this line:
$("#myParagraph").css({"backgroundColor":"black","color":"white");
Change it to this:
$("#myParagraph").css({"back...
Fastest method to escape HTML tags as HTML entities?
...r.replace(/[&<>]/g, replaceTag);
}
Here is a performance test: http://jsperf.com/encode-html-entities to compare with calling the replace function repeatedly, and using the DOM method proposed by Dmitrij.
Your way seems to be faster...
Why do you need it, though?
...
How to get object length [duplicate]
...is not supported in IE8 and below, Opera and FF 3.6 and below.
Live demo: http://jsfiddle.net/simevidas/nN84h/
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How can I get a file's size in C++? [duplicate]
...d::ifstream::ate | std::ifstream::binary);
return in.tellg();
}
See http://www.cplusplus.com/doc/tutorial/files/ for more information on files in C++.
edit: this answer is not correct since tellg() does not necessarily return the right value. See http://stackoverflow.com/a/22986486/1835769
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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
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Copied verbatim from http://cocoaheads.tumblr.com/post/17757846453/objective-c-literals-for-nsdictionary-nsarray-and:
Objective-C literals: one can now create literals for NSArray, NSDictionary, and NSNumber (just like one can create literals fo...
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
...是默认的使用了less进行比较。
关于这个_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 )
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Installing SetupTools on 64-bit Windows
...-bit Python as it includes binary files. But there's a 64-bit installer at http://www.lfd.uci.edu/~gohlke/pythonlibs/ (has many installers for other modules too). Nowadays, many packages on PyPi have binary distributions, so you can install them via pip.
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How to increase IDE memory limit in IntelliJ IDEA on Mac?
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Here is a link to the latest documentation as of today http://www.jetbrains.com/idea/webhelp/increasing-memory-heap.html
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convert ArrayList to JSONArray
...rray jsArray = new JSONArray(list);
References:
jsonarray 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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