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postgresql COUNT(DISTINCT …) very slow
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You can use this:
SELECT COUNT(*) FROM (SELECT DISTINCT column_name FROM table_name) AS temp;...
How do I raise a Response Forbidden in django
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Why does there exists an exception class Http404 but not Http403? Why the inconsistency?
– Flimm
Jan...
c# open file with default application and parameters
...ocess myProcess = new Process();
myProcess.StartInfo.FileName = "acroRd32.exe"; //not the full application path
myProcess.StartInfo.Arguments = "/A \"page=2=OpenActions\" C:\\example.pdf";
myProcess.Start();
If you don't want the pdf to open with Reader but with Acrobat, chage the second line ...
How to refresh / invalidate $resource cache in AngularJS
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Delete a closed pull request from GitHub
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OSGi: What are the differences between Apache Felix and Apache Karaf?
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Programmatically set height on LayoutParams as density-independent pixels
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273
You need to convert your dip value into pixels:
int height = (int) TypedValue.applyDimension(Ty...
Is the order of elements in a JSON list preserved?
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Yes, the order of elements in JSON arrays is preserved. From RFC 7159 -The JavaScript Object N...
How to use WeakReference in Java and Android development?
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Using a WeakReference in Android isn't any different than using one in plain old Java. Here is...
Is PHP's count() function O(1) or O(n) for arrays?
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