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Update relationships when saving changes of EF4 POCO objects
...r the updated object including the collections I need to update.
Query and convert .ToList() the entities I want my collection to include.
Update the main object's collection(s) to the List I got from step 3.
SaveChanges();
In the following example "dataobj" and "_categories" are the parameters re...
How to escape braces (curly brackets) in a format string in .NET
...";
string v = String.Format(" foo {{{0}}}", t);
To output a { you use {{ and to output a } you use }}.
or Now, you can also use c# string interpolation like this (feature available in C# 6.0)
Escaping Brackets: String Interpolation $(""). it is new feature in C# 6.0
var inVal = "1, 2, 3";
var o...
How to programmatically clear application data
I am developing automated tests for an android application (using Robotium). In order to ensure the consistency and reliability of tests, I would like to start each test with clean state (of the application under test). In order to do so, I need to clear the app data. This can be done manually in Se...
How to save picture to iPhone photo library?
... void *contextInfo);
You only need completionTarget, completionSelector and contextInfo if you want to be notified when the UIImage is done saving, otherwise you can pass in nil.
See the official documentation for UIImageWriteToSavedPhotosAlbum().
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Writing string to a file on a new line every time
... I think the f.write method is better as it can be used in both Python 2 and 3.
– Dang Manh Truong
Apr 10 '18 at 12:02
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Comparing Haskell's Snap and Yesod web frameworks
...hat they'd standardise on either ByteStrings or Text as you are constantly converting between them !
– Andrew
Jan 25 '12 at 22:23
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How to get IntPtr from byte[] in C#
... a byte[] to a method takes a IntPtr Parameter in C#, is that possible and how?
8 Answers
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Choosing the best concurrency list in Java [closed]
...y thread pool has a fixed number of threads. These threads need to write and read from a shared list frequently.
6 Ans...
C++ equivalent of java's instanceof
...e of course).
As pointed out dynamic_cast doesn't come for free. A simple and consistently performing hack that handles most (but not all cases) is basically adding an enum representing all the possible types your class can have and check whether you got the right one.
if(old->getType() == BOX...
How to set dialog to show in full screen? [closed]
I have a GridView and i want to make an implémentation of a dialog, on which
the picture that i have selected should display in full screen.
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