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Invoking JavaScript code in an iframe from the parent page
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There are some quirks to be aware of here.
HTMLIFrameElement.contentWindow is probably the easier way, but it's not quite a standard property and some browsers don't support it, mostly older ones. This is because the DOM Level 1 HTML standard has nothing to say about ...
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...g), not how to do it. Production code shouldn't use or die when outputting HTML, else it will (at the very least) generate invalid HTML. Also, database error messages shouldn't be displayed to non-admin users, as it discloses too much information.
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Wait until file is unlocked in .NET
What's the simplest way of blocking a thread until a file has been unlocked and is accessible for reading and renaming? For example, is there a WaitOnFile() somewhere in the .NET Framework?
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Python dictionary: Get list of values for list of keys
...ay to use a list of keys to a dictionary to get a list of corresponding items?
11 Answers
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What is the Python 3 equivalent of “python -m SimpleHTTPServer”
What is the Python 3 equivalent of python -m SimpleHTTPServer ?
5 Answers
5
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Difference between ApiController and Controller in ASP.NET MVC
...n API.
It's fairly simple to decide between the two: if you're writing an HTML based web/internet/intranet application - maybe with the occasional AJAX call returning json here and there - stick with MVC/Controller. If you want to provide a data driven/REST-ful interface to a system, go with WebAPI...
Does JSON syntax allow duplicate keys in an object?
...ents specifying the JSON format:
http://json.org/
https://tools.ietf.org/html/rfc7159
The accepted answer quotes from the 1st document. I think the 1st document is more clear, but the 2nd contains more detail.
The 2nd document says:
Objects
An object structure is represented as a p...
MFC Dialog中嵌入View、动态创建View的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC Dialog中嵌入View、动态创建View的方法1、OnInitDialog是CDialog的函数，像CWnd等没有的话可以放在构造函数中，然后在OnPaint()函数中改变大小并显示视图。
2、OnInitialUpdate：使用MDI框架创建视图时会自动被框架调用，这里的View是自...
List comprehension on a nested list?
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Here is how you would do this with a nested list comprehension:
[[float(y) for y in x] for x in l]
This would give you a list of lists, similar to what you started with except with floats instead of strings. If you want one flat list then you would use [float(y) for x in ...
Is it possible to make an ASP.NET MVC route based on a subdomain?
...de
}
3) That lib will also allow you to generate URLs and forms. Code:
@Html.ActionLink("User home", "Index", "Home" new { username = "user1" }, null)
Will generate <a href="http://user1.localhost:54575/Home/Index">User home</a>
Generated URL will also depend on current host locatio...