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Join an Array in Objective-C

I'm looking for a method of turning a NSMutableArray into a string. Is there anything on a par with this Ruby array method? ...
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sed in-place flag that works both on Mac (BSD) and Linux

Is there an invocation of sed todo in-place editing without backups that works both on Linux and Mac? While the BSD sed shipped with OS X seems to need sed -i '' … , the GNU sed Linux distributions usually come with interprets the quotes as empty input file name (instead of the backup exten...
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Using Enums while parsing JSON with GSON

This is related to a previous question that I asked here earlier 7 Answers 7 ...
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PHP Warning: POST Content-Length of 8978294 bytes exceeds the limit of 8388608 bytes in Unknown on l

I am getting this error when trying to upload an import on WordPress on my XAMPP local dev environment: 21 Answers ...
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How to delete SQLite database from Android programmatically

I would like to delete the database file from the Android file system programatically? Can I have a shell script launch adb which in turns runs a shell script in the Android space to do the database deletion? Can I get this done from within a JUnit test case (with a system() call)? ...
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MySql export schema without data

I'm using a MySql database with a Java program, now I want to give the program to somebody else. 13 Answers ...
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How do I determine k when using k-means clustering?

I've been studying about k-means clustering , and one thing that's not clear is how you choose the value of k. Is it just a matter of trial and error, or is there more to it? ...
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How do I avoid the specification of the username and password at every git push?

I git push my work to a remote Git repository. 18 Answers 18 ...
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MySQL select 10 random rows from 600K rows fast

How can I best write a query that selects 10 rows randomly from a total of 600k? 26 Answers ...
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Handling very large numbers in Python

I've been considering fast poker hand evaluation in Python. It occurred to me that one way to speed the process up would be to represent all the card faces and suits as prime numbers and multiply them together to represent the hands. To whit: ...