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Passing parameters to a Bash function
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Knowledge of high level programming languages (C/C++/Java/PHP/Python/Perl ...) would suggest to the layman that bash functions should work like they do in those other languages. Instead, bash functions work like shell commands and expect arguments to be passed to them in the same wa...
Simple calculations for working with lat/lon and km distance?
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If you're using Java, Javascript or PHP, then there's a library that will do these calculations exactly, using some amusingly complicated (but still fast) trigonometry:
http://www.jstott.me.uk/jcoord/
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What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
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PHP is evil of course. The popularity of application/x-www-form-urlencoded is defined by the popularity of PHP.
– Brian Cannard
Apr 28 '16 at 10:17
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Is there a way to escape a CDATA end token in xml?
...er looking for something like a backslash equivalent (within strings in C, PHP, Java, etc). According to the rule quoted by ddaa, it seems like there's not such a thing.
– Juan Pablo Califano
Oct 21 '08 at 23:11
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ArrayList initialization equivalent to array initialization [duplicate]
...he source for Arrays.asList, it constructs an ArrayList, but by default is cast to List. So you could do this (but not reliably for new JDKs):
ArrayList<String> list = (ArrayList<String>)Arrays.asList("Ryan", "Julie", "Bob")
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How to get Url Hash (#) from server side
...unction toward top of controller or http://example.com/yourDirectory/index.php:
function redirect()
{
if (!empty($_GET['hash'])) {
/** Sanitize & Validate $_GET['hash']
If valid return string
If invalid: return empty or false
*******************...
Check whether variable is number or string in JavaScript
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Best way to do that is using isNaN + type casting:
Updated all-in method:
function isNumber(n) { return !isNaN(parseFloat(n)) && !isNaN(n - 0) }
The same using regex:
function isNumber(n) { return /^-?[\d.]+(?:e-?\d+)?$/.test(n); }
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How can I validate a string to only allow alphanumeric characters in it?
...an get fancier and implement all of the equality operators, or an explicit cast to AlphaNumericString from plain ol' string, if you care.
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java.util.Date to XMLGregorianCalendar
...in(final String[] args) throws Exception {
// do not forget the type cast :/
GregorianCalendar gcal = (GregorianCalendar) GregorianCalendar.getInstance();
XMLGregorianCalendar xgcal = DatatypeFactory.newInstance()
.newXMLGregorianCalendar(gcal);
System.out.println...
Is there a way to suppress warnings in Xcode?
...warning in your code can be avoided by doing things correctly (normally by casting objects to the correct type) or by declaring prototypes when you need them.
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