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What does “where T : class, new()” mean?
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Just to clarify, if you don't have the class clause as part of the where T..., then it is safe to use int, float, double etc.
– AboutDev
Feb 8 '13 at 21:07
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Is there a standardized method to swap two variables in Python?
...ated in the memory. The two element are the objects designated by the identifiers b and a, that were existing before the instruction is encoutered during an execution of program
just after the creation of this tuple, no assignement of this tuple object have still been made, but it doesn't matter, Py...
Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime
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The exception clearly identifies some .NET 2.0.50727 component was included in .NET 4.0. In App.config file use this:
<startup useLegacyV2RuntimeActivationPolicy="true" />
It solved my problem
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File being used by another process after using File.Create()
I'm trying to detect if a file exists at runtime, if not, create it. However I'm getting this error when I try to write to it:
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Login to Microsoft SQL Server Error: 18456
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If you're trying to connect using "SQL Server Authentication" then you may want to modify your server authentication:
Within the Microsoft SQL Server Management Studio in the object explorer:
Right click on the server and...
How to kill/stop a long SQL query immediately?
... A query must be in a cancelable state, which is almost always true except if you do certain operations like call a web service from SQLCLR. If your attention cannot reach the server is usually due to scheduler overload.
But if your query is part of a transaction that must rollback then rollback ca...
C# namespace alias - what's the point?
...em.Threading.Timer;
(ps: thanks for the choice of Timer ;-p)
Otherwise, if you use both System.Windows.Forms.Timer and System.Timers.Timer in the same file you'd have to keep giving the full names (since Timer could be confusing).
It also plays a part with extern aliases for using types with the...
Calling a function every 60 seconds
Using setTimeout() it is possible to launch a function at a specified time:
13 Answers
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Android - get children inside a View?
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If you not only want to get all direct children but all children's children and so on, you have to do it recursively:
private ArrayList<View> getAllChildren(View v) {
if (!(v instanceof ViewGroup)) {
Array...
Google MAP API Uncaught TypeError: Cannot read property 'offsetWidth' of null
...aps script. Adding: var mapExists = document.getElementById("map-canvas"); if(mapExists) { // script } makes it all better.
– Imperative
Aug 9 '14 at 8:40
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