Tutorial by Topics

The Open Close Principle states that the design and writing of the code should be done in a way that new functionality should be added with minimum changes in the existing code. The design should be done in a way to allow the adding of new functionality as new classes, keeping as much as possible ex...

This thread is focused on how to create a spring boot application with hibernate and thymyleaf template engine. Also check the Thymeleaf documentation

This topic is about how to limit access to your docker containers from outside world using iptables. For impatient people, you can check the examples. For the others, please read the remark section to understand how to build new rules. iptables -I DOCKER [RULE ...] [ACCEPT|DROP] // To add a r...

In this post I will demonstrate how to pass external data to Angular app before the app bootstraps. This external data could be configuration data, legacy data, server rendered etc.

What is Dynamic Method Dispatch? Dynamic Method Dispatch is a process in which the call to an overridden method is resolved at runtime rather than at compile-time. When an overridden method is called by a reference, Java determines which version of that method to execute based on the type of object...

Proguard is free Java class file shrinker, optimizer, obfuscator, and preverifier. It detects and removes unused classes, fields, methods, and attributes. It optimizes bytecode and removes unused instructions. It renames the remaining classes, fields, and methods using short meaningless names. ...

Elastic Beanstalk is a Cloud PaaS provider (Platform as a Service), meaning applications can be deployed to the platform without the fuss of manually setting up a deployment environment. Java applications are easily deployable to Elastic Beanstalk both via web interface or via command-line tools. ...

This function returns the full paralink of the current post or the designated post. get_permalink( $post, $leavename ) ParameterDetails$post(int) (optional) Post ID or post object. Default is the the current post's id.$leavename(bool) (optional) Whether to keep post name or page name. ...

Force.com REST API Documentation. Full list of API's is here

This function returns all categories as an array of the current post or page or the designated post or page. get_the_category( $id ) ParameterDetails$id(int) (Optional) default to current post ID. The post ID. Please note that get_the_category() returns an array, which means that you c...

This function returns the title of the current post. the_title( $before, $after, $echo ); ParameterDetails$before(string) (optional) Text to place before the title.$after(string) (optional) Text to place after the title.$echo(Boolean) (optional) Display the title or return it for use in ...

This function returns the title of the current post or the designated post. get_the_title( $post ) ParameterDetails$post(int) (optional) Post ID or post object. Default is the the current post's id. If you plan to get the title of a post or page using a post loop, it is suggested to us...

The function allows user to load stylesheets for the TinyMCE editor add_editor_style( $stylesheet ) ParameterDetails$ stylesheet(array or string) (Optional) Stylesheet name or array thereof, relative to theme root. Defaults to 'editor-style.css'

This function registers features that the theme supports. add_theme_support( $feature ) ParameterDetails$feature(string) The feature being added. List of features to be used in $feature: 'post-formats' 'post-thumbnails' 'html5' 'custom-logo' 'custom-header-uploads' 'custom-head...

ParameterDetailsstring contentThe response content.integer statusThe HTTP status code.array headersArray of response headers.

sub and gsub are used to edit strings using patterns. See Pattern Matching and Replacement for more on related functions and Regular Expressions for how to build a pattern.

A good explanation of this topic is in http://www.sunburst-design.com/papers/CummingsSNUG1999SJ_SynthMismatch.pdf