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Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
How to detect if Visual C++ Redistributable for Visual Studio 2012 is installed?
20 Answers
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How do I get the width and height of a HTML5 canvas?
...those specified when creating the element:
<canvas width="500" height="200">
If you size the canvas with CSS, its DOM dimensions are accessible via .scrollWidth and .scrollHeight:
var canvasElem = document.querySelector('canvas');
document.querySelector('#dom-dims').innerHTML = 'Canva...
Selecting with complex criteria from pandas.DataFrame
... B C
0 9 40 300
1 9 70 700
2 5 70 900
3 8 80 900
4 7 50 200
5 9 30 900
6 2 80 700
7 2 80 400
8 5 80 300
9 7 70 800
We can apply column operations and get boolean Series objects:
>>> df["B"] > 50
0 False
1 True
2 True
3 True
4 False
5...
C++ code file extension? .cc vs .cpp [closed]
I have seen C++ code saved as both .cc and .cpp files. Is there a difference between the two?
17 Answers
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Opacity of div's background without affecting contained element in IE 8?
...our instead.
The CSS is fairly simple:
.myelement {
background: rgba(200, 54, 54, 0.5);
}
...where the first three numbers are the red, green and blue values for your background colour, and the fourth is the 'alpha' channel value, which works the same way as the opacity value.
See this page...
MongoDB仿关系型数据库Group聚合例子 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...ollection("GroupDemo").Save(CreateBsonDoc("u1", new DateTime(2015, 7, 22), 200));
db.GetCollection("GroupDemo").Save(CreateBsonDoc("u2", new DateTime(2015, 5, 22), 100));
db.GetCollection("GroupDemo").Save(CreateBsonDoc("u2", new DateTime(2015, 6, 22), 200));
...
【解决】phpMyAdmin 导入数据文件最大限制 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，修改配置搞定： PHP上传文件大小限制upload_max_filesize = 200M http post发送文件大小限 /etc/php/7.0/apache2/php.ini 默认配置2M，即通过http post上传的文件最大2M，修改配置搞定：
# PHP上传文件大小限制
upload_max_filesize = 200M
# http post...
Center a DIV horizontally and vertically [duplicate]
...it here working: http://jsbin.com/iquviq/30/edit
.content {
width: 200px;
height: 600px;
background-color: blue;
position: absolute; /*Can also be `fixed`*/
left: 0;
right: 0;
top: 0;
bottom: 0;
margin: auto;
/*Solves a ...
CDHtmlDialog的基本使用（C++调用JS函数的实现） - C/C++ - 清泛网 - 专注C++内核技术
CDHtmlDialog的基本使用（C++调用JS函数的实现）CDHtmlDialog_cpp_call_js_interactive《CDHtmlDialog的基本使用（JS调用C++函数的实现）》本文基于以上文章，在其代码基础上拓展：一、在主对话框上添加一个C++按钮，步骤如下：...《CDHtmlDialog...
CDHtmlDialog的基本使用（C++调用JS函数的实现） - C/C++ - 清泛网移动版 -...
CDHtmlDialog的基本使用（C++调用JS函数的实现）CDHtmlDialog_cpp_call_js_interactive《CDHtmlDialog的基本使用（JS调用C++函数的实现）》本文基于以上文章，在其代码基础上拓展：一、在主对话框上添加一个C++按钮，步骤如下：...《CDHtmlDialog...