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What's the difference between dynamic (C# 4) and var?
...can infer types that might not be desired because of subtypes and implicit casts. That is, var may have resolved a type statically different than expected when implicit casts occur (most notably to a more general type, but it's not limited to this). A trivial example is object x = "" vs. var x = "" ...
使用CSplitterWnd实现拆分窗口（多视图显示） - C/C++ - 清泛网 - 专注C/C++及内核技术
...行了划分和初始化
//获取主窗口
CMainFrame* pFrame=static_cast<CMainFrame*>(AfxGetMainWnd());
//获取某个view
CMyTreeView* pView=static_cast<CMyTreeView*>(pFrame->m_wndTopSplitter.GetPane(0,0));
//激活View
pFrame->SetActiveView(pView);
pFrame->m_wndTopSplitter.RecalcLayo...
What is a C++ delegate?
...). I have yet to see an implementation which does not use wild reinterpret_casts, Nested class "prototypes" which hopefully produce function pointers of the same size as the one passed in by the user, compiler tricks like first forward declare, then typedef then declare again, this time inheriting f...
Hidden Features of JavaScript? [closed]
...amic typing may continue to use == for situations where we know we want to cast, as in 0 == '' or 0 == '0'.
– thomasrutter
Apr 1 '09 at 5:15
20
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How is null + true a string?
...
null will be cast to null string, and there is implicit converter from bool to string so the true will be cast to string and then, + operator will be applied: it's like: string str = "" + true.ToString();
if you check it with Ildasm:
st...
Parsing boolean values with argparse
...e,True], you end up with both "False" and "True" considered True (due to a cast from string to bool?). Maybe related issue
– dolphin
Jul 20 '13 at 1:03
...
Cannot set some HTTP headers when using System.Net.WebRequest
...cause of multiple ways to do this. When using WebRequest.Create() you can cast to an HttpWebRequest and use the property to add or modify a header. When using a WebHeaderCollection you may use the .Add("referer","my_url").
Ex 1
WebClient client = new WebClient();
client.Headers.Add("referer", "ht...
In Objective-C, what is the equivalent of Java's “instanceof” keyword?
I would like to check whether an object (e.g. someObject ) is assignable (cast-able) to a variable of another type (e.g. SpecifiedType ). In Java, I can write:
...
How do I convert an integer to binary in JavaScript?
...es)
Before operations are applied the 64 bit floating points numbers are cast to 32 bit signed integers. After they are converted back.
Here is the MDN example code for converting numbers into 32-bit strings.
function createBinaryString (nMask) {
// nMask must be between -2147483648 and 214748...
How are booleans formatted in Strings in Python?
...to actually format the string (e.g. add white space), you encounter Python casting the boolean into the underlying C value (i.e. an int), e.g.
>>> "{:<8} {}".format(True, False)
'1 False'
To get around this you can cast True as a string, e.g.
>>> "{:<8} {}".format...