Tutorial by Topics: i

add_action( 'pre_get_posts', 'callback_function_name' ); function callback_function_name( $query ) {} // for PHP 5.3.0 or above add_action( 'pre_get_posts', function( $query ){} ); ParameterDetails$query(WP_Query) Loop object If you are using PHP 5.3.0 or above, you can use closures (an...

(Optional) Every topic has a focus. Tell the readers what they will find here and let future contributors know what belongs. ParameterDescriptionlookup_valueThe value you want to match. Can be either a fixed value, cell reference or named range. Strings may not exceed 255 characters (required)...

The jQuery function .attr(), gets the value of an attribute for the first element in the set of matched elements or set one or more attributes for every matched element. It is worth noting that when getting the value of an attribute, it only gets it from the first element that matches the select...

Function composition operator (.) is defined as (.) :: (b -> c) -> (a -> b) -> (a -> c) (.) f g x = f (g x) -- or, equivalently, (.) f g = \x -> f (g x) (.) f = \g -> \x -> f (g x) (....

ParameterDetailsaffinityinteger that describes the set of processors on which the process is allowed to run. For example, on a 8 processor system if you want your process to be executed only on processors 3 and 4 than you choose affinity like this : 00001100 which equals 12 The processor affinity...

#ifndef __STDC_NO_THREADS__ # include <threads.h> #endif void call_once(once_flag *flag, void (*func)(void)); int cnd_broadcast(cnd_t *cond); void cnd_destroy(cnd_t *cond); int cnd_init(cnd_t *cond); int cnd_signal(cnd_t *cond); int cnd_timedwait(cnd_t *restrict cond, mtx_t *restrict...

Properties are observable and listeners can be added to them. They are consistently used for properties of Nodes.

Google Chrome supports extensions that augment the way the browser works. They can add functionality to web pages or to the browser UI.

Transactions Transactions need to be used immediately after they're created. If they aren't used in the current event loop (basically before we wait for anything like a web request) they'll go into an inactive state where you can't use them. Databases can only have one transaction that writes ...

HBaseConfiguration.create(); //Create a configuration file Configuration.set(String key, String value); //Add a key to the configuration ConnectionFactory.createConnection(HBaseConfiguration configuration); //Connects to HBase Connection.getAdmin(); //Instanciate a new Admin ...

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files. It's widely used to build languages, tools, and frameworks. From a grammar, ANTLR generates a parser that can build and walk parse trees....

Generics allow you to define placeholders for exact types in definitions for classes, interfaces and/or methods. Possible subtopics: Class (and structure) generics Interface generics Method generics Constraints Covariance and contravariance