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Whendy Blog mengumpulkan beberapa Tutorial Website, PHP, AngularJS, JQuery, Laravel, Codeigniter dan lain-lain. ( jika sempat ) :)

Ruby on Rails Notes for Professionals book

Chapters Getting started with Ruby on Rails Routing ActiveRecord Views ActiveRecord Migrations Rails Best Practices Naming Conventions ActionCable ActiveModel User Authentication in Rails ActiveRecord Associations ActiveRecord Validations ActiveRecord Query Interface ActionMailer Rails generate commands Configuration I18n – Internationalization Using GoogleMaps with Rails File Uploads Caching ActionController Configuration Safe Constantize Rails 5 Authorization with CanCan Mongoid Gems Change default timezone Asset ...

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R Notes for Professionals book

Chapters Getting started with R Language Variables Arithmetic Operators Matrices Formula Reading and writing strings String manipulation with stringi package Classes Lists Hashmaps Creating vectors Date and Time The Date class Date-time classes (POSIXct and POSIXlt) The character class Numeric classes and storage modes The logical class Data frames Split function Reading and writing tabular data in plain-text files (CSV, ...

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Python Notes for Professionals book

Chapters Getting started with Python Language Python Data Types Indentation Comments and Documentation Date and Time Date Formatting Enum Set Simple Mathematical Operators Bitwise Operators Boolean Operators Operator Precedence Variable Scope and Binding Conditionals Comparisons Loops Arrays Multidimensional arrays Dictionary List List comprehensions List slicing (selecting parts of lists) groupby() Linked lists Linked List Node Filter Heapq Tuple Basic Input ...

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PowerShel Notes for Professionals book

Chapters Getting started with PowerShell Variables in PowerShell Operators Special Operators Basic Set Operations Conditional logic Loops Switch statement Strings HashTables Working with Objects PowerShell Functions PowerShell Classes PowerShell Modules PowerShell profiles Calculated Properties Using existing static classes Built-in variables Automatic Variables Environment Variables Splatting PowerShell “Streams”; Debug, Verbose, Warning, Error, Output and Information Sending Email PowerShell Remoting Working with ...

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PostgreSQL Notes for Professionals book

Chapters Getting started with PostgreSQL Data Types Comments in PostgreSQL Dates, Timestamps, and Intervals Table Creation SELECT Find String Length / Character Length COALESCE INSERT UPDATE JSON Support Aggregate Functions Role Management Common Table Expressions (WITH) Accessing Data Programmatically Programming with PL/pgSQL Inheritance PostgreSQL High Availability EXTENSION dblink and postgres_fdw Window Functions Backup script for a production DB Export PostgreSQL ...

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PHP Notes for Professionals book

Chapters Getting started with PHP Variables Variable Scope Outputting the Value of a Variable Constants Comments Types Operators References Arrays Array iteration Executing Upon an Array Manipulating an Array Processing Multiple Arrays Together Datetime Class Working with Dates and Time Loops Functions Functional Programming Control Structures Alternative Syntax for Control Structures String Parsing String formatting Exception Handling and Error Reporting ...

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Perl Notes for Professionals book

Chapters Getting started with Perl Language Comments Variables Interpolation in Perl True and false Dates and Time Control Statements Subroutines Debug Output Lists Sorting File I/O (reading and writing files) Reading a file’s content into a variable Strings and quoting methods Split a string on unquoted separators Object-oriented Perl Exception handling Regular Expressions XML Parsing Unicode Perl one-liners Randomness Special ...

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Oracle Database Notes for Professionals book

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Chapters Getting started with Oracle Database Getting started with PL/SQL Anonymous PL/SQL Block PL/SQL procedure Data Dictionary Dates Working with Dates DUAL table JOINS Handling NULL values String Manipulation IF-THEN-ELSE Statement Limiting the rows returned by a query (Pagination) Recursive Sub-Query Factoring using the WITH Clause (A.K.A. Common Table Expressions) Different ways to update records Update with Joins Functions Statistical ...

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Objective-C Notes for Professionals book

Chapters Getting started with Objective-C Language Protocols Blocks Categories Key Value Coding / Key Value Observing Logging NSArray Classes and Objects NSString NSDictionary NSDictionary Low-level Runtime Environment NSArray NSURL Methods Error Handling Enums NSData Random Integer Properties NSDate NSPredicate NSMutableArray NSRegularExpression NSJSONSerialization Memory Management Singletons NSCalendar NSMutableDictionary Multi-Threading NSAttributedString NSTimer Structs Subscripting Basic Data Types Unit testing using Xcode Fast ...

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Node.js Notes for Professionals book

Chapters Getting started with Node.js npm Web Apps With Express Filesystem I/O Exporting and Consuming Modules Exporting and Importing Module in node.js How modules are loaded Cluster Module Readline package.json Event Emitters Autoreload on changes Environment Callback to Promise Executing files or commands with Child Processes Exception handling Keep a node application constantly running Uninstalling Node.js nvm – Node Version ...

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