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Easy way to test a URL for 404 in PHP?
...*/
$response = curl_exec($handle);
/* Check for 404 (file not found). */
$httpCode = curl_getinfo($handle, CURLINFO_HTTP_CODE);
if($httpCode == 404) {
/* Handle 404 here. */
}
curl_close($handle);
/* Handle $response here. */
...
PHP check whether property exists in object or class
... and if it's null too, you can use the function property_exists().
Docs: http://php.net/manual/en/function.property-exists.php
As opposed with isset(), property_exists() returns TRUE even if the property has the value NULL.
bool property_exists ( mixed $class , string $property )
Example:
...
Force browser to clear cache
...
Look into the cache-control and the expires META Tag.
<META HTTP-EQUIV="CACHE-CONTROL" CONTENT="NO-CACHE">
<META HTTP-EQUIV="EXPIRES" CONTENT="Mon, 22 Jul 2002 11:12:01 GMT">
Another common practices is to append constantly-changing strings to the end of the requested files....
How to print third column to last column?
...
awk '{ print substr($0, index($0,$3)) }'
solution found here:
http://www.linuxquestions.org/questions/linux-newbie-8/awk-print-field-to-end-and-character-count-179078/
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What is the difference between .text, .value, and .value2?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Capture keyboardinterrupt in Python without try-except
...SystemExit exception for me. You can make it work nicely if you use it in combination with this: stackoverflow.com/a/13723190/353094
– leetNightshade
Mar 21 '15 at 19:42
2
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How to request Administrator access inside a batch file
...un as administrator. Instead, they are just seeing "Access denied" on the command line window.
16 Answers
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What tools are there for functional programming in C?
... & Muller's book, Functional C, can nowadays (2012-01-02) be found at: http://eprints.eemcs.utwente.nl/1077/ (there is a link to PDF version).
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What are some good Python ORM solutions? [closed]
...ance differences.
SQLAlchemy also has a declarative layer that hides some complexity and gives it a ActiveRecord-style syntax more similar to the Django ORM.
I wouldn't worry about Django being "too heavy." It's decoupled enough that you can use the ORM if you want without having to import the re...
How do I make a redirect in PHP?
...two cents:
1. Basic answer
You can use the header() function to send a new HTTP header, but this must be sent to the browser before any HTML or text (so before the <!DOCTYPE ...> declaration, for example).
header('Location: '.$newURL);
2. Important details
die() or exit()
header("Location: ht...