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How to compare UIColors?
...o colors are equal.
Two colors are equal if they have equal color spaces and numerically equal color components.
This solves a lot trouble and leaking/custom algorithms.
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Height of status bar in Android [duplicate]
What's the height of the status bar in Android? Is it always the same?
23 Answers
23
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Find first element by predicate
I've just started playing with Java 8 lambdas and I'm trying to implement some of the things that I'm used to in functional languages.
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Passing parameters to addTarget:action:forControlEvents
...etails:)
With 2 parameters indicating the control that sends the message and the event that triggered the message:
action:@selector(switchToNewsDetails:event:)
It is not clear what exactly you try to do, but considering you want to assign a specific details index to each button you can do the...
Uninstall old versions of Ruby gems
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For removing older versions of all installed gems, following 2 commands are useful:
gem cleanup --dryrun
Above command will preview what gems are going to be removed.
gem cleanup
Above command will actually remove them.
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Check if a Postgres JSON array contains a string
...ovements on a table of 1,000,000 rabbits where each rabbit likes two foods and 10% of them like carrots:
d=# -- Postgres 9.3 solution
d=# explain analyze select info->>'name' from rabbits where exists (
d(# select 1 from json_array_elements(info->'food') as food
d(# where food::text = '"...
How to unzip files programmatically in Android?
... need a small code snippet which unzips a few files from a given .zip file and gives the separate files according to the format they were in the zipped file. Please post your knowledge and help me out.
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What's the best/easiest GUI Library for Ruby? [closed]
... while "gem install shoes" installs "3.0.1". What's up with the versoning pandemonium? Is this because _why disappeared?
– Alexander
Jan 2 '12 at 0:28
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Java RegEx meta character (.) and ordinary dot?
... RegEx, how to find out the difference between . (dot) the meta character and the normal dot as we using in any sentence. How to handle this kind of situation for other meta characters too like ( * , + , \d ,...)
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Do zombies exist … in .NET?
... He's a really bright guy with an extensive background in both lower-level and higher-level programming, but his experience with lower level programming far exceeds mine. Anyway, He argued that .NET locking should be avoided on critical systems expected to be under heavy-load if at all possible in ...