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Difference between DirectCast() and CType() in VB.NET

... convert a string to an integer. It has as much power as calling Convert.To___() in C#, where the ___ is the target type of your cast. This is desirable because it's very powerful. However, this power comes at the cost of performance; it's not as fast as DirectCast() or C#'s cast operator because i...
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Cannot create an NSPersistentStoreCoordinator with a nil model

...to "Model" as argument. But Xcode refuses to load it, but this file as actually there! I don't know, what's happening. – Darmen Amanbayev Oct 7 '13 at 5:45 ...
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vc/mfc *通配符 批量删除文件 - c++1y / stl - 清泛IT社区,为创新赋能!

...ion函数: #include "stdafx.h" #include <windows.h> int _tmain(int argc, _TCHAR* argv[]) {         LPTSTR delFileName = L"c:/test/test*.txt";         SHFILEOPSTRUCT FileOp;        &nbs...
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Converting JavaScript object with numeric keys into array

... It's actually very straight forward with jQuery's $.map var arr = $.map(obj, function(el) { return el }); FIDDLE and almost as easy without jQuery as well, converting the keys to an array and then mapping back the values with Arra...
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How to find and return a duplicate value in array

...ou're writing this code for some huge scaling data (and if so, you can actually just use C or Python), the provided answer is far more elegant/readable, and isnt' going to run that much slower compared to a linear time solution. furthermore, in theory, the linear time solution requires linear space,...
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Android: How to put an Enum in a Bundle?

...javase/1.5.0/docs/guide/serialization/spec/… – Miha_x64 Aug 19 '17 at 10:14 ...
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How do I make CMake output into a 'bin' dir?

... How to make it apply to all configurations at once? – emlai May 23 '15 at 21:24 ...
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How do I create a file and write to it in Java?

...te that each of the code samples below may throw IOException. Try/catch/finally blocks have been omitted for brevity. See this tutorial for information about exception handling. Note that each of the code samples below will overwrite the file if it already exists Creating a text file: PrintWriter...
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How do I delete multiple rows in Entity Framework (without foreach)

... If you don't want to execute SQL directly calling DeleteObject in a loop is the best you can do today. However you can execute SQL and still make it completely general purpose via an extension method, using the approach I describe here. Although that answer was for...
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split string only on first instance - java

... length will be no greater than n, and the array's last entry will contain all input beyond the last matched delimiter. The string boo:and:foo, for example, yields the following results with these parameters: Regex Limit Result : 2 { "boo", "and:foo" } : 5 { "boo", "an...