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Count table rows
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SELECT COUNT(*) FROM fooTable;
will count the number of rows in the table.
See the reference...
setBackground vs setBackgroundDrawable (Android)
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403
It's deprecated but it still works so you could just use it. But if you want to be completly c...
Returning multiple values from a C++ function
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SergeyA
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answered Nov 26 '08 at 15:22
RobRob
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Calculating distance between two points, using latitude longitude?
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edited Apr 20 '17 at 11:24
Neeme Praks
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answered...
Is it possible to declare two variables of different types in a for loop?
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C++17: Yes! You should use a structured binding declaration. The syntax has been supported in ...
What is the difference between single-quoted and double-quoted strings in PHP?
...r in which single and double quotes are essentially equally fast since PHP 4.3 (Useless Optimizations toward the bottom, section C). Also, this benchmarks page has a single vs double quote comparison. Most of the comparisons are the same. There is one comparison where double quotes are slower than s...
Detect whether there is an Internet connection available on Android [duplicate]
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1430
The getActiveNetworkInfo() method of ConnectivityManager returns a NetworkInfo instance repres...
What happens when there's insufficient memory to throw an OutOfMemoryError?
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The JVM never really runs out of memory. It does memory computation of the heap stack in advanc...
What's the absurd function in Data.Void useful for?
...unreachable.
– dfeuer
Oct 26 '15 at 4:08
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agda is, generally speaking, total and so the evaluati...
gcc warning" 'will be initialized after'
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Make sure the members appear in the initializer list in the same order as they appear in the cla...