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What is the difference between print and puts?
For example in this line of code I wrote, print and puts produce different results.
6 Answers
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What is the use of the @ symbol in PHP?
... messages that might be generated by that expression will be ignored.
If you have set a custom error handler function with set_error_handler() then it will still get called, but this custom error handler can (and should) call error_reporting() which will return 0 when the call that triggered th...
What's an appropriate HTTP status code to return by a REST API service for a validation failure?
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If "validation failure" means that there is some client error in the request, then use HTTP 400 (Bad Request). For instance if the URI is supposed to have an ISO-8601 date and you find that it's in the wrong format or refers...
How to write :hover condition for a:before and a:after?
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This depends on what you're actually trying to do.
If you simply wish to apply styles to a :before pseudo-element when the a element matches a pseudo-class, you need to write a:hover:before or a:visited:before instead. Notice the pseudo-element comes after the pseudo-class (a...
Is there a portable way to print a message from the C preprocessor?
...swap "pragma message" and "warning" somehow? For example, something like: #ifdef _LINUX #define #preprocmsg "#warning" else #define #preprocmsg "#pragma message"... I'll have to try that but instinct tells me the answer is no.
– Bryan
Sep 30 '10 at 0:41
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Using Git, how could I search for a string across all branches?
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it would be great if you can add an example for your filters, e.g. path:, because the documentation at a glance doesnt look clear where to apply this filter, im assuming its before the quotes in your query example?
– blam...
Fastest way to check if a string matches a regexp in ruby?
What is the fastest way to check if a string matches a regular expression in Ruby?
7 Answers
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Sort array of objects by string property value
...nough to write your own comparison function:
function compare( a, b ) {
if ( a.last_nom < b.last_nom ){
return -1;
}
if ( a.last_nom > b.last_nom ){
return 1;
}
return 0;
}
objs.sort( compare );
Or inline (c/o Marco Demaio):
objs.sort((a,b) => (a.last_nom > b.last...
Bad value X-UA-Compatible for attribute http-equiv on element meta
... involves appearing on a publicly editable wiki page referenced by the specification) or the Validator isn't up to date with the current status of that wiki.
At the time of writing (20130326) X-UA-Compatible appears on the wiki page under a section that states: "The following proposed extensions do...
Padding is invalid and cannot be removed?
...t can't seem to find a solution or the reason why it's happening to my specific program. I have been using the example provided my msdn for encrypting and decrypting an XmlDocument using the Rijndael algorithm. The encryption works fine but when I try to decrypt, I get the following exception:
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