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Why does Chrome incorrectly determine page is in a different language and offer to translate?
...p. This particular page is an internal testing page that has a few dozen form fields with English labels. I have no idea why Chrome thinks this page is Danish.
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Why does modern Perl avoid UTF-8 by default?
...rary, dohickey), prominently assert that you are running perl version 5.12 or better via:
use v5.12; # minimal for unicode string feature
use v5.14; # optimal for unicode string feature
Enable warnings, since the previous declaration only enables strictures and features, not warnings. I also sug...
Pure JavaScript equivalent of jQuery's $.ready() - how to call a function when the page/DOM is ready
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The simplest thing to do in the absence of a framework that does all the cross-browser compatibility for you is to just put a call to your code at the end of the body. This is faster to execute than an onload handler because this waits only for the DOM to be ready, not for a...
Should I always return IEnumerable instead of IList?
When I'm writing my DAL or other code that returns a set of items, should I always make my return statement:
14 Answers
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PHP equivalent of .NET/Java's toString()
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You can use the casting operators:
$myText = (string)$myVar;
There are more details for string casting and conversion in the Strings section of the PHP manual, including special handling for booleans and nulls.
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Global and local variables in R
I am a newbie for R, and I am quite confused with the usage of local and global variables in R.
3 Answers
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How using try catch for exception handling is best practice
...e maintaining my colleague's code from even someone who claims to be a senior developer, I often see the following code:
15...
Increasing nesting function calls limit
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This error message comes specifically from the XDebug extension. PHP itself does not have a function nesting limit. Change the setting in your php.ini:
xdebug.max_nesting_level = 200
or in your PHP code:
ini_set('xdebug.max_nesti...
How can one check to see if a remote file exists using PHP?
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You can instruct curl to use the HTTP HEAD method via CURLOPT_NOBODY.
More or less
$ch = curl_init("http://www.example.com/favicon.ico");
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_exec($ch);
$retcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// $retcode >= 400 -> not found, $retcode = ...
Returning value that was passed into a method
...t parameter, like so:
.Returns((string myval) => { return myval; });
Or slightly more readable:
.Returns<string>(x => x);
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