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jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
... It allows you to use any kind of input filter on a text <input>,
including various numeric filters. This will correctly handle
Copy+Paste, Drag+Drop, keyboard shortcuts, context menu operations,
non-typeable keys, and all keyboard layouts.
See this answer or try it yourself on JSFidd...
How to import existing Android project into Eclipse?
...t -> Existing projects into workspace should work for any project type, including Android projects, as long as it is a valid Eclipse project.
– Mark B
Feb 9 '10 at 18:53
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Set value of hidden field in a form using jQuery's “.val()” doesn't work
...ng the value from "not changed" to "changed". I've revised the example to include the code you pasted above, with an alert to confirm the value change: jsbin.com/elovo/2/edit
– Andy E
Jun 5 '10 at 10:18
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How do I round a decimal value to 2 decimal places (for output on a page)
...0:C}", d) yield $12.35 - note that the current culture's currency settings including the symbol are used.
Note that "C" uses number of digits from current culture. You can always override default to force necessary precision with C{Precision specifier} like String.Format("{0:C2}", 5.123d).
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Python timedelta in years
...000, will turn 18 exactly 6575 days later on January 1, 2018 (5 leap years included), but someone born on January 1, 2001, will turn 18 exactly 6574 days later on January 1, 2019 (4 leap years included). Thus, you if someone is exactly 6574 days old, you can't determine if they are 17 or 18 without...
What's the difference between an inverted index and a plain old index?
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What's better at freeing memory with PHP: unset() or $var = null
...n a longer overall execution time.
(Since 2013, that unset man page don't include that section anymore)
Note that until php5.3, if you have two objects in circular reference, such as in a parent-child relationship, calling unset() on the parent object will not free the memory used for the parent re...
Whitespace Matching Regex - Java
...lly! Been trying every regex I could find that would match all white space including NON-BREAK-SPACE (ASCII 160)!!!
– Piko
Nov 21 '17 at 18:22
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Adding Core Data to existing iPhone project
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Xcode 6+
Starting with Xcode 6, the precompiled header file is no longer included by default. This is because of the introduction of Modules, which take away the need to use precompiled headers. While it is still possible to manually add a PCH file to globally include the CoreData headers, conside...
Multiplication on command line terminal
... 5 * 5 ))
25
External Methods
A number of utilities provide arithmetic, including bc and expr.
$ echo '5 * 5' | /usr/bin/bc
25
$ /usr/bin/expr 5 \* 5
25
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