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How many and which are the uses of “const” in C++?
..." << (void*)&b[0];
}
For the copy-constructor to make copies from const objects and temporaries:
struct MyClass {
MyClass(MyClass const& that) { /* make copy of that */ }
};
For making constants that trivially can't change
double const PI = 3.1415;
For passing arbitra...
Setting default permissions for newly created files and sub-directories under a directory in Linux?
...n creating the file. For example, most files won't be executable by anyone from the start (depending on the mode argument to the open(2) or creat(2) call), just like when using umask. Some utilities like cp, tar, and rsync will try to preserve the permissions of the source file(s) which will mask ou...
Where to put view-specific javascript files in an ASP.NET MVC application?
... <!-- other content here -->
</system.webServer>
Then from your view file you can reference the urls like you expect:
@Url.Content("~/Views/<ControllerName>/somefile.css")
This will allow serving of .js and .css files, and will forbid serving of anything else.
...
ASP.NET MVC 3 - Partial vs Display Template vs Editor Template
...atching Editor Template, and rendered the fields using the Editor Template from different parent views. The Editor Template correctly renders the ids and names.
So in short, a compelling reason for us to use Editor Templates was the need to render some common fields in multiple tabs. Partial views...
Best way to get child nodes
...ing, JavaScript offers a variety of methods to get the first child element from any element, but which is the best? By best, I mean: most cross-browser compatible, fastest, most comprehensive and predictable when it comes to behaviour. A list of methods/properties I use as aliases:
...
How do I verify jQuery AJAX events with Jasmine?
... request, and just afterwards. You can even use Jasmine to fake a response from the server. These tests would be faster - and they would not need to handle asynchronous behaviour - since there isn't any real AJAX going on.
Integration tests that perform real AJAX requests. These would need to be asy...
All falsey values in JavaScript
...all non-empty strings, including strings that are just whitespace
Anything from typeof, which always returns a non-empty string, for example:
typeof null (returns a string 'object' due to a longstanding bug/quirk)
typeof undefined (returns a string 'undefined')
Any object (except that "wilful vi...
C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...M组件的接口的步骤为：Project->Class Wizard->Add Class->MFC Class From TypeLib，先选择要导入的组件所在的路径，即Excel.exe所在的路径，然后再选择
要导入的Excel类型库中的接口。
在完成接口导入后，VS2010将自动为导入的接口创建相应的...
Regular expression that matches valid IPv6 addresses
...cluding those in their compressed form (with :: or leading zeros omitted from each byte pair).
30 Answers
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How can I set the aspect ratio in matplotlib?
...
you should try with figaspect. It works for me. From the docs:
Create a figure with specified aspect ratio. If arg is a number, use that aspect ratio. > If arg is an array, figaspect will
determine the width and height for a figure that would fit array
preserv...