Tutorial by Topics: s

What is Ubuntu? Ubuntu is an open source software platform that runs everywhere from the smartphone, the tablet and the PC to the server and the cloud. Why use Ubuntu for development? The fastest route from development to deployment on desktop, mobile, server or cloud The desktop of choice f...

This section provides an overview of what scheme is, and why a developer might want to use it. It should also mention any large subjects within scheme, and link out to the related topics. Since the Documentation for scheme is new, you may need to create initial versions of those related topics. ...

preg_replace($pattern, $replacement, $subject, $limit = -1, $count = 0); preg_replace_callback($pattern, $callback, $subject, $limit = -1, $count = 0); preg_match($pattern, $subject, &$matches, $flags = 0, $offset = 0); preg_match_all($pattern, $subject, &$matches, $flags = PREG_PATTERN...

This section provides an overview of what tensorflow is, and why a developer might want to use it. It should also mention any large subjects within tensorflow, and link out to the related topics. Since the Documentation for tensorflow is new, you may need to create initial versions of those rela...

React Native lets you build mobile apps using only JavaScript. It uses the same design as React, letting you compose a rich mobile UI from declarative components. With React Native, you don't build a “mobile web app”, an “HTML5 app”, or a “hybrid app”. You build a real mobile app that's indisting...

Debug.Print(string) Stop() / Stop

CMake is a tool for defining and managing code builds, primarily for C++. CMake is a cross-platform tool; the idea is to have a single definition of how the project is built - which translates into specific build definitions for any supported platform. It accomplishes this by pairing with differ...

A CSS distance measurement is a number immediately followed by a length unit (px, em, pc, in, …) CSS supports a number of length measurements units. They are absolute or relative. valueunit 1em UnitDescription%Define sizes in terms of parent objects or current object dependent on prope...

INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE] [INTO] tbl_name [PARTITION (partition_name,...)] [(col_name,...)] {VALUES | VALUE} ({expr | DEFAULT},...),(...),... [ ON DUPLICATE KEY UPDATE col_name=expr [, col_name=expr] ... ] INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY...

A Virtual Environment is a tool to keep the dependencies required by different projects in separate places, by creating virtual Python environments for them. It solves the “Project X depends on version 1.x but, Project Y needs 4.x” dilemma, and keeps your global site-packages directory clean and man...

DECLARE cursor_name CURSOR [ LOCAL | GLOBAL ] [ FORWARD_ONLY | SCROLL ] [ STATIC | KEYSET | DYNAMIC | FAST_FORWARD ] [ READ_ONLY | SCROLL_LOCKS | OPTIMISTIC ] [ TYPE_WARNING ] FOR select_statement [ FOR UPDATE [ OF column_name [ ,...n ] ] ] Normally you would want to avoid using...

SQLite is a relational database management system written in C. To begin working with SQLite databases within the Android framework, define a class that extends SQLiteOpenHelper, and customize as needed. The SQLiteOpenHelper class defines static onCreate() and onUpgrade() methods. These metho...

uname - to print information about your operating system. uname [OPTION]

:symbol :'symbol' :"symbol" "symbol".to_sym %s{symbol} Advantages of using symbols over strings: 1. A Ruby symbol is an object with O(1) comparison To compare two strings, we potentially need to look at every character. For two strings of length N, this will requir...

@{ key: value, ... } [NSDictionary dictionaryWithObjectsAndKeys: value, key, ..., nil]; dict[key] = value; id value = dict[key]; The NSDictionary class declares the programmatic interface to objects that manage immutable associations of keys and values. Use this class or ...

D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS. D3’s emphasis on web standards gives you the full capabilities of modern browsers without tying yourself to a proprietary framework, combining powerful visualization co...