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Ruby: kind_of? vs. instance_of? vs. is_a?
...o ask about more conservative understanding of "type", which is class or a base class, using the methods you're asking about.
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jQuery Ajax POST example with PHP
I am trying to send data from a form to a database. Here is the form I am using:
15 Answers
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python: Change the scripts working directory to the script's own directory
...1: working = sys.argv[1]
os.chdir( working )
Do not "assume" a directory based on the location of your software. It will not work out well in the long run.
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Is there something like Annotation Inheritance in java?
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You can annotate your annotation with a base annotation instead of inheritance. This is used in Spring framework.
To give an example
@Target(value = {ElementType.ANNOTATION_TYPE})
public @interface Vehicle {
}
@Target(value = {ElementType.TYPE})
@Vehicle
public ...
Convert a PHP script into a stand-alone windows executable
...achpie.io
https://github.com/iolevel/peachpie
Peachpie is PHP 7 compiler based on Roslyn by Microsoft and drawing from popular Phalanger. It allows PHP to be executed within the .NET/.NETCore by compiling the PHP code to pure MSIL.
Phalanger
http://v4.php-compiler.net/
http://wiki.php-compiler....
list every font a user's browser can display
...ion: 0.3 (24 Mar 2012)
* Replaced sans with serif in the list of baseFonts
*/
/**
* Usage: d = new Detector();
* d.detect('font name');
*/
var Detector = function() {
// a font will be compared against all the three default fonts.
// and if it doesn't match all 3 then t...
How do I make a simple makefile for gcc on Linux?
...t they do work, and they're well developed, and they'll cover most of your bases as far as portability, and will make your life a lot easier in the end once you get used to their awful design.
– Chris Lutz
Sep 28 '09 at 0:25
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SAML: Why is the certificate within the Signature?
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@svlada no HTTP-based authentication (of any kind) should ever be done without SSL. Encrypting the certificate will stop a man in the middle (MitM) from reading it, but it won't stop them from re-using it in a similar way to a cookie based M...
Why are we not to throw these exceptions?
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Exception is the base type for all exceptions, and as such terribly unspecific. You shouldn’t ever throw this exception because it simply does not contain any useful information. Calling code catching for exceptions couldn’t disambiguate ...
JavaScript ternary operator example with functions
...The ternary operator is common when you're assigning a value to a variable based on a simple condition or you are making multiple decisions with very brief outcomes. The example you cite actually doesn't make sense, because the expression will evaluate to one of the two values without any extra log...