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Sorting HashMap by values [duplicate]
... while loops. Converting the Entry Set to a List and then sorting the List based on a comparator would be a more efficient solution.
– picmate 涅
May 21 '16 at 2:53
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Renaming branches remotely in Git
...;/<old_name>:refs/heads/<new_name> to push a new remote branch based on the old remote tracking branch and then git push <remote> :<old_name> to delete the old remote branch.
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How to do version numbers? [closed]
...ces or a migration to another platform that involves dramatic changes over base code,
– Alexis Gamarra
Jun 9 '17 at 16:22
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Random row selection in Pandas dataframe
...e: As of Pandas v0.20.0, ix has been deprecated in favour of loc for label based indexing.
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Why are margin/padding percentages in CSS always calculated against width?
...-right/margin-bottom/margin-left, all four have to be relative to the same base. If top/bottom used a different base than left/right', then "n%" margin (and padding) wouldn't mean the same thing on all four sides.
(Also note having the top/bottom margin relative to the width enables a weird CSS ha...
How to find difference between two Joda-Time DateTimes in minutes
...d will need to compute the amount of time between now and some future time based on a date from another time zone. I will report back what I find.
– Doo Dah
Apr 21 '16 at 1:29
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MySQL - why not index every field?
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and also every index takes some database space
– Acanthus
Mar 26 '11 at 23:33
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Nohup is not writing log to output file
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python as well as other C stdio-based programs uses line-buffering in interactive case (stdout is connected to a tty) and block-buffering when redirected to a file. If python -u doesn't work; nohup might have introduced its own buffering.
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What is the gain from declaring a method as static
...inally better at most, since the code does not need to do dynamic dispatch based on the type.
However, a much stronger argument against refactoring into static methods is that currently using static is considered bad practice. Static methods / variables do not integrate well into an object oriente...
Why does sun.misc.Unsafe exist, and how can it be used in the real world?
...tiated by sun.misc.Unsafe, useful for instrumentation
sun.misc.Unsafe.arrayBaseOffset and arrayIndexScale can be used to develop arraylets,a technique for efficiently breaking up large arrays into smaller objects to limit the real-time cost of scan, update or move operations on large objects
http://...