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Extracting the last n characters from a string in R
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AndrieAndrie
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How to shuffle a std::vector?
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user703016user703016
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Optimal way to concatenate/aggregate strings
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edited May 4 '17 at 19:24
GoldBishop
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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 There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
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224
When I'm not worried about performance, I'll often use this:
if my_string.to_s == ''
# It's n...
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...
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...