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How to capitalize the first letter in a String in Ruby
...Maria"
"мария".capitalize #=> мария
The problem is, it just doesn't do what you want it to, it outputs мария instead of Мария.
If you're using Rails there's an easy workaround:
"мария".mb_chars.capitalize.to_s # requires ActiveSupport::Multibyte
Otherwise, you'll ha...
Split long commands in multiple lines through Windows batch file
...plete line must not exceed the maximum line length of ~8192 characters (Windows XP, Windows Vista, and Windows 7).
echo Test1
echo one ^
two ^
three ^
four^
*
--- Output ---
Test1
one two three four*
echo Test2
echo one & echo two
--- Output ---
Test2
one
two
echo Test3
echo one & ^
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When to use reinterpret_cast?
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I like the fact that 'b' is undefined. It stops you doing silly things with it. If you cast something to another pointer type you are asking for problems and the fact that you can not depend on it makes you more careful. If you had used static_cast<> above what use is th...
How to add months to a date in JavaScript? [duplicate]
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Why do you have to do new Date on jan3120091 twice? Couldn't the second line be var eight.... = jan312009.setMonth(jan312009.getMonth()+8);?
– Kolob Canyon
Jul 13 '16 at 21:33
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Ruby: kind_of? vs. instance_of? vs. is_a?
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What is the difference?
From the documentation:
- (Boolean) instance_of?(class)Returns true if obj is an instance of the given class.
and:
- (Boolean) is_a?(class)- (Boolean) kind_of?(class)Returns true if class is the class of obj, or if class is one of ...
Print number of keys in Redis
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DBSIZE returns the number of keys and it's easier to parse.
Downside: if a key has expired it may still count.
http://redis.io/commands/dbsize
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Convert a PHP script into a stand-alone windows executable
...d line using PHP-CLI. Now I want to hand over this script to someone but I do not want to:
7 Answers
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Get Folder Size from Windows Command Line
Is it possible in Windows to get a folder's size from the command line without using any 3rd party tool?
17 Answers
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GCD to perform task in main thread
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No, you do not need to check whether you’re already on the main thread. By dispatching the block to the main queue, you’re just scheduling the block to be executed serially on the main thread, which happens when the corresponding...
Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
...by UIKit that convert the various CG structs into NSStrings. The reason it doesn't work is because %@ signifies an object. A CGPoint is a C struct (and so are CGRects and CGSizes).
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