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How to check for a valid Base64 encoded string
...e64 string, as it will only be composed of characters 'A'..'Z', 'a'..'z', '0'..'9', '+', '/' and it is often padded at the end with up to three '=', to make the length a multiple of 4. But instead of comparing these, you'd be better off ignoring the exception, if it occurs.
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Android: How to enable/disable option menu item on button click?
...example_foobar).setEnabled(false);
}
return true;
}
On Android 3.0 and higher, the options menu is considered to always be open when menu items are presented in the action bar. When an event occurs and you want to perform a menu update, you must call invalidateOptionsMenu() to request that...
How do I view all commits for a specific day?
...n Bartholomew!
The answer is to specify the time, e.g. git log --after="2013-11-12 00:00" --before="2013-11-12 23:59"
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Tuning nginx worker_process to obtain 100k hits per min
...er_processes 4; # 2 * Number of CPUs
events {
worker_connections 19000; # It's the key to high performance - have a lot of connections available
}
worker_rlimit_nofile 20000; # Each connection needs a filehandle (or 2 if you are proxying)
# Total amount of users you can serve = worke...
What is the difference between assert, expect and should in Chai?
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edited May 23 '17 at 12:10
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answered Jan 28 '14 at 12:01
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Question mark (?) in XML attributes for Android
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edited Aug 31 '12 at 10:16
ubershmekel
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What is the difference between ELF files and bin files?
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answered Mar 11 '10 at 17:30
t0mm13bt0mm13b
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How to get an array of specific “key” in multidimensional array without looping
...ap(function ($ar) {return $ar['id'];}, $users);
Before(Technically php 4.0.6+), you must create an anonymous function with create_function instead:
$ids = array_map(create_function('$ar', 'return $ar["id"];'), $users);
s...
Create module variables in Ruby
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edited Jul 26 '19 at 17:08
answered Apr 16 '11 at 23:52
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IntelliJ 13 - Add Navigate Back/Forward to toolbar?
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answered Dec 6 '13 at 20:00
Software EngineerSoftware Engineer
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