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Why there is no ConcurrentHashSet against ConcurrentHashMap
.... newSetFromMap's implementation is found starting on line 3841 in docjar.com/html/api/java/util/Collections.java.html. It's just a wrapper....
– Ray Toal
Nov 1 '11 at 23:36
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What is :: (double colon) in Python when subscripting sequences?
I know that I can use something like string[3:4] to get a substring in Python, but what does the 3 mean in somesequence[::3] ?
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How to check if running in Cygwin, Mac or Linux?
I have a shell script that is used both on Windows/Cygwin and Mac and Linux. It needs slightly different variables for each versions.
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Rails update_attributes without save?
...ord/lib/active_record/attribute_assignment.rb
Another cheat sheet:
http://www.davidverhasselt.com/set-attributes-in-activerecord/#cheat-sheet
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Convert timestamp in milliseconds to string formatted time in Java
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Comment: HH will print the hour at that date (0-23), not the total amount of hours elapsed since 1970. Just sayin'.
– JohnyTex
Aug 19 '14 at 11:41
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How do you run a crontab in Cygwin on Windows?
Some cygwin commands are .exe files, so you can run them with the standard Windows Scheduler, but others don't have an .exe extension so can't be run from DOS (it seems like).
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Display two files side by side
How can 2 unsorted text files of different lengths be display side by side (in columns) in a shell
9 Answers
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Doctrine2: Best way to handle many-to-many with extra columns in reference table
...en them with a one-to-many and many-to-one relation.
http://groups.google.com/group/doctrine-user/browse_thread/thread/d1d87c96052e76f7/436b896e83c10868#436b896e83c10868
Once a relation has data, it's no more a relation !
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SQLite error 'attempt to write a readonly database' during insert?
...nk it was it, but it just solve the issue temporaly, the main issue was my www-data user wasn't in the www-data group.
– Dorian
Dec 9 '11 at 23:18
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Creating C formatted strings (not printing them)
...( char * str, const char * format, ... );
Write formatted data to string Composes a string with the same text
that would be printed if format was used on printf, but instead of
being printed, the content is stored as a C string in the buffer
pointed by str.
The size of the buffer should be large e...