Tutorial by Topics: d

With CSS you can set colors, gradients, and images as the background of an element. It is possible to specify various combinations of images, colors, and gradients, and adjust the size, positioning, and repetition (among others) of these. background-color: color | transparent | initial | inhe...

Jsoup is a HTML parsing and data extraction library for Java, focused on flexibility and ease of use. It can be used to extract sepecific data from HTML pages, which is commonly known as "web scraping", as well as modify the content of HTML pages, and "clean" untrusted HTML wit...

VersionRelease Date0.991989-06-081.011989-06-232.01996-12-312.021998-04-202.031999-02-192.042001-03-212.05b2002-07-173.02004-08-033.12005-12-083.22006-10-114.02009-02-204.12009-12-314.22011-02-134.32014-02-264.42016-09-15

MySQL is an open-source Relational Database Management System (RDBMS) that is developed and supported by Oracle Corporation. MySQL is supported on a large number of platforms, including Linux variants, OS X, and Windows. It also has APIs for a large number of languages, including C, C++, Java, ...

WordPress is an open source Content Management System (CMS) which is used to build and manage websites. WordPress is the most popular CMS on the internet by a country mile, powering about half of all CMS websites at time of writing and about a quarter of all websites on the internet. WordPress ...

While char is required to be 1 byte, 1 byte is not required to be 8 bits (often also called an octet), even though most of modern computer platforms define it as 8 bits. The implementation's number of bits per char is provided by the CHAR_BIT macro, defined in <limits.h>. POSIX does requir...

Some examples in this topic might have a different order when used because dictionary order is not guaranteed.

@media [not|only] mediatype and (media feature) { /* CSS rules to apply */ } ParameterDetailsmediatype(Optional) This is the type of media. Could be anything in the range of all to screen.not(Optional) Doesn't apply the CSS for this particular media type and applies for everything else.media...

String.characters // Returns an Array of the characters in the String String.characters.count // Returns the number of characters String.utf8 // A String.UTF8View, returns the UTF-8 character points in the String String.utf16 // A String.UTF16View, returns the UTF-16 character points in the St...

UPDATE table SET column_name = value, column_name2 = value_2, ..., column_name_n = value_n WHERE condition (logical operator condition_n)

This is an simple, yet thorough, example of initializing PubNub, subscribing to a channel and publishing to that channel. Once you init PUBNUB, you can subscribe to a channel. The connect callback indicates that subscription to the channel was successful, so we call our pub function which perf...

reduce(function, iterable[, initializer]) ParameterDetailsfunctionfunction that is used for reducing the iterable (must take two arguments). (positional-only)iterableiterable that's going to be reduced. (positional-only)initializerstart-value of the reduction. (optional, positional-only) r...

<init> (i.e. require ("pubnub")) Initialize an instance of PubNub to invoke operations. ParameterDetailspublish_keyString - your publish key from your PubNub Admin Dashboard accountsubscribe_keyString - your publish key from your PubNub Admin Dashboard account subscribe Subscri...

Node.js is an event-based, non-blocking, asynchronous I/O framework that uses Google's V8 JavaScript engine. It is used for developing applications that make heavy use of the ability to run JavaScript both on the client, as well as on server side and therefore benefit from the re-usability of code...

Perl is the camel of languages: useful, but not always beautiful. It has rather good documentation of its own which can be accessed using the perldoc command from your shell/command prompt. It's also available online at perldoc.perl.org. VersionRelease NotesRelease Date1.0001987-12-182.0001988...

Indexes are a data structure that contains pointers to the contents of a table arranged in a specific order, to help the database optimize queries. They are similar to the index of book, where the pages (rows of the table) are indexed by their page number. Several types of indexes exist, and can be...

Visual Basic .NET is the official successor to Microsoft's original Visual Basic programming language. Visual Basic [.NET] appears to have similarities to Python with the lack of semicolons and brackets, but shares with C++ the basic structure of functions. Curly braces are absent in VB .NET, but ...