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Is there a VB.NET equivalent of C# out parameters?
...nteger
Test(y)
End Sub
Sub Test(ByRef x As Integer)
x = 42
End Sub
(If you examine code in the framework (for example Double.TryParse), you may see the <OutAttribute> added to parameters, but that only makes a difference when the call is marshalled for COM interop or platform invoke.)
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Quickest way to compare two generic lists for differences
...an this, but even this will be vastly faster than your O(N * M) approach.
If you want to combine these, you could create a method with the above and then a return statement:
return !firstNotSecond.Any() && !secondNotFirst.Any();
One point to note is that there is a difference in results ...
What does gcc's ffast-math actually do?
...f the details and maybe give a clear example of how something would change if the flag was on or off?
2 Answers
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Match whole string
What is the regular expression (in JavaScript if it matters) to only match if the text is an exact match? That is, there should be no extra characters at other end of the string.
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Defining an abstract class without any abstract methods
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If the question can be answered with a simple yes or no, then the asker should consider rephrasing, using Google, or simply trying it out.
– Tyler Treat
Jan 27 '11 at 0:24
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There is no ListBox.SelectionMode=“None”, is there another way to disable selection in a listbox?
...efault, ItemsControl doesn't support virtualization of its child elements. If you have a lot of items, virtualization can reduce memory usage and improve performance, in which case you could use approach 2 and style the ListBox, or add virtualisation to your ItemsControl.
Approach 2 - Styling ListBo...
How do I use Wget to download all images into a single folder, from a URL?
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Try this:
wget -nd -r -P /save/location -A jpeg,jpg,bmp,gif,png http://www.somedomain.com
Here is some more information:
-nd prevents the creation of a directory hierarchy (i.e. no directories).
-r enables recursive retrieval. See Recursive Download for more information.
-P se...
What is the difference between atomic / volatile / synchronized?
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You are specifically asking about how they internally work, so here you are:
No synchronization
private int counter;
public int getNextUniqueIndex() {
return counter++;
}
It basically reads value from memory, increments it and pu...
Android map v2 zoom to show all the markers
...(bounds, padding);
Finally move the map:
googleMap.moveCamera(cu);
Or if you want an animation:
googleMap.animateCamera(cu);
That's all :)
Clarification 1
Almost all movement methods require the Map object to have passed the layout process. You can wait for this to happen using the addOnGl...
How can I read a text file in Android?
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If you have one empty row in your txt doc, this parser will stop working! The solution is to admit having this empty rows: while ((line = br.readLine()) != null) { if(line.length() > 0) { //do your stuff } ...