Tutorial by Topics

Before URLs can be rewritten, a module called mod_rewrite.c needs to be enabled. Usually, it is disabled in the configuration by default. mod_rewrite can be enabled by executing the command $ sudo a2enmod mod_rewrite $ sudo service apache2 restart or by commenting out the lines #LoadModule ...

Log.v(String tag, String msg, Throwable tr) Log.v(String tag, String msg) Log.d(String tag, String msg, Throwable tr) Log.d(String tag, String msg) Log.i(String tag, String msg, Throwable tr) Log.i(String tag, String msg) Log.w(String tag, String msg, Throwable tr) Log.w(String tag, String...

As database tables grow, it's often useful to limit the results of queries to a fixed number or percentage. This can be achieved using SQL Server's TOP keyword or OFFSET FETCH clause. ParameterDetailsTOPLimiting keyword. Use with a number.PERCENTPercentage keyword. Comes after TOP and limiting ...

A set is a collection of items which can be anything. Whatever operator we need to work on these sets are in short the set operators and the operation is also known as set operation. Basic set operation includes Union, Intersection as well as addition, subtraction, etc. Group-Object Gr...

ParameterDescriptionpath_or_bufstring or file handle, default None File path or object, if None is provided the result is returned as a string.sepcharacter, default ‘,’ Field delimiter for the output file.na_repstring, default ‘’ Missing data representationfloat_formatstring, default None Format st...

ParametersDetailscxx-coordinate of center of circle.cyy-coordinate of center of circle.rRadius of circle.strokeColour of circle border.fillColour inside circle border. Detailed information on the SVG 'circle' element can be found in the W3C Recommendation for SVG.

TypeScript, like ECMA Script 6, support object-oriented programming using classes. This contrasts with older JavaScript versions, which only supported prototype-based inheritance chain. The class support in TypeScript is similar to that of languages like Java and C#, in that classes may inherit fro...

import itertools

my # Lexical declaration our # Global declaration $foo # Scalar @foo # Array $#foo # Array Last-Index %foo # Hash ${$foo} # Scalar De-Reference @{$foo} # Array De-Reference $#{$foo} # Array-DeRef Last-Index %{$foo} # Hash De-Reference $foo[$index] # Array get indexed ${$foo}[$inde...

filter: none (default value) filter: initial (defaults to none); filter: inherit (defaults to parent value); filter: blur(px) filter: brightness(number | %) filter: contrast(number | %) filter: drop-shadow(horizontal-shadow-px vertical-shadow-px shadow-blur-px shadow- - spread color) filte...

For more information, visit the official documentation at http://getbootstrap.com/javascript/#carousel, where the basic HTML and Javascript usage examples and information are derived from. It should be noted that carousels do not function correctly in IE 9 and earlier due to the use of CSS3 trans...

The global.json file is extremely powerful and unique to .NET Core and ASP.NET Core applications.

CREATE ROLE name [ [ WITH ] option [ ... ] ] CREATE USER name [ [ WITH ] option [ ... ] ] where option can be: SUPERUSER | NOSUPERUSER | CREATEDB | NOCREATEDB | CREATEROLE | NOCREATEROLE | CREATEUSER | NOCREATEUSER | INHERIT | NOINHERIT | LOGIN | NOLOGIN | CONNECTION LIMIT connlimit | ...