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Check if a String contains numbers Java
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}
}
return sb.toString();
}
Examples:
For input "123abc", the method above will return 123.
For "abc1000def", 1000.
For "555abc45", 555.
For "abc", will return an empty string.
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Where to store global constants in an iOS application?
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You could also do a
#define kBaseURL @"http://192.168.0.123/"
in a "constants" header file, say constants.h. Then do
#include "constants.h"
at the top of every file where you need this constant.
This way, you can switch between servers depending on compiler flags, as in:
#i...
Convert string to integer type in Go?
... fmt.Printf("i=%d, type: %T\n", i, i)
}
Output (if called with argument "123"):
i=123, type: int
i=123, type: int64
i=123, type: int
Parsing Custom strings
There is also a handy fmt.Sscanf() which gives even greater flexibility as with the format string you can specify the number format (like ...
jQuery document.createElement equivalent?
...lease notice that a is a jQuery object while b is a html element:
a.html('123')
// [<div>123</div>]
b.html('123')
// TypeError: Object [object HTMLDivElement] has no method 'html'
$(b).html('123')
// [<div>123</div>]
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array_push() with key value pair
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Warning: $a['123'] = 456; - string '123' is converted to integer key 123.
– bancer
Jul 2 at 12:58
1
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Extracting the last n characters from a ruby string
...e a one liner, you can put a number greater than the size of the string:
"123".split(//).last(5).to_s
For ruby 1.9+
"123".split(//).last(5).join("").to_s
For ruby 2.0+, join returns a string
"123".split(//).last(5).join
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Is there a JavaScript function that can pad a string to get to a determined length?
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I found this solution here and this is for me much much simpler:
var n = 123
String("00000" + n).slice(-5); // returns 00123
("00000" + n).slice(-5); // returns 00123
(" " + n).slice(-5); // returns " 123" (with two spaces)
And here I made an extension to the string object:
String.prototy...
How can I remove all text after a character in bash?
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@kp123: It's the first example in my answer. The second time I show it (where "tomorrow" is removed), it's almost exactly the situation you're asking about.
– Paused until further notice.
A...
How do I round a decimal value to 2 decimal places (for output on a page)
...ou just need this for display use string.Format
String.Format("{0:0.00}", 123.4567m); // "123.46"
http://www.csharp-examples.net/string-format-double/
The "m" is a decimal suffix. About the decimal suffix:
http://msdn.microsoft.com/en-us/library/364x0z75.aspx
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REST URI convention - Singular or plural name of resource while creating it
...ll likely error, as this request doesn't make any sense, whereas /resource/123 makes perfect sense.
Using /resource instead of /resources is similar to how you would do this if you were working with, say, a file system and a collection of files and /resource is the "directory" with the individual 1...