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Convert NSArray to NSString in Objective-C
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edited Mar 11 '14 at 12:14
alexyorke
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Android Studio Stuck at Gradle Download on create new project
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17 Answers
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How to write a foreach in SQL Server?
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10 Answers
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Does pandas iterrows have performance issues?
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183
Generally, iterrows should only be used in very, very specific cases. This is the general orde...
What does “O(1) access time” mean?
I have seen this term "O(1) access time" used to mean "quickly" but I don't understand what it means. The other term that I see with it in the same context is "O(n) access time". Could someone please explain in a simple way what these terms mean?
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Python : List of dict, if exists increment a dict value, if not append a new dict
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That is a very strange way to organize things. If you stored in a dictionary, this is easy:
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Why are floating point numbers inaccurate?
...gnificand). A very simple number, say 9.2, is actually this fraction:
5179139571476070 * 2 -49
Where the exponent is -49 and the mantissa is 5179139571476070. The reason it is impossible to represent some decimal numbers this way is that both the exponent and the mantissa must be integers. In ...
Increment value in mysql update query
I have made this code for giving out +1 point, but it doesn't work properly.
9 Answers
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AWK: Access captured group from line pattern
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183
That was a stroll down memory lane...
I replaced awk by perl a long time ago.
Apparently the...