Tutorial by Examples: l

Modules can be split across many .js files in the same folder. An example in a my_module folder: function_one.js module.exports = function() { return 1; } function_two.js module.exports = function() { return 2; } index.js exports.f_one = require('./function_one.js'); exports.f_two...

Create a new application here: create application Choose standalone applicaton and confirm app creation via SMS. Fill Package namefor Android as your current package name. You can get your package name inside android manifest file, at the very begginning. Get your Certificate fingerprint by exe...

1. Install GLFW First step is to create an OpenGL window. GLFW is an Open Source, multi-platform library for creating windows with OpenGL, to install GLFW first download its files from www.glfw.org Extract the GLFW folder and its contents will look like this Download and install CMake to buil...

Module is a container for various parts of your applications - controller, services, filters, directive, etc. Why to use Modules Most applications have a main method that instantiates and wires together the different parts of the application. Angular apps don't have main method. But in AngularJ...

Here's how to Handle a popup alert in Java with Selenium: There are 3 types of popups. Simple alert : alert("This is a simple alert"); Confirmation alert : var popuResult = confirm("Confirm pop up with OK and Cancel button"); Prompt alert : var person = prompt(&...

In Unity Editor, open Player Settings (Edit > Project Settings > Player). Under Other Settings, check Virtual Reality Supported. Add or remove VR devices for each build target in the Virtual Reality SDKs list under the checkbox.

What is an exception? Exception in PL/SQL is an error created during a program execution. We have three types of exceptions: Internally defined exceptions Predefined exceptions User-defined exceptions What is an exception handling? Exception handling is a possibility to keep o...

An internally defined exception doesn't have a name, but it has its own code. When to use it? If you know that your database operation might raise specific exceptions those which don't have names, then you can give them names so that you can write exception handlers specifically for them. Otherwis...

using CLI: $ opennlp SentenceDetector ./en-sent.bin < ./input.txt > output.txt using API: import static java.nio.file.Files.readAllBytes; import static java.nio.file.Paths.get; import java.io.IOException; import java.util.Objects; public class FileUtils { /** * Get file data as...

Sometimes there will be properties that aren't available in jQuery event. To access the underlying properties use Event.originalEvent Get Scroll Direction $(document).on("wheel",function(e){ console.log(e.originalEvent.deltaY) // Returns a value between -100 and 100 depending o...

Bootstrap components are a collection of optional jQuery plugins which bundled with Bootstrap. The purpose of Bootstrap components is to provide extended features and capabilities which would be difficult (or impossible) to accomplish without the use of Javascript. Some components provide are pure...

This command, given a commit range commit1..commit2, rewrites history so that git commit author becomes also git committer: git filter-branch -f --commit-filter \ 'export GIT_COMMITTER_NAME=\"$GIT_AUTHOR_NAME\"; export GIT_COMMITTER_EMAIL=\"$GIT_AUTHOR_EMAIL\"; exp...

To list all the git repository locations on your you can run the following find $HOME -type d -name ".git" Assuming you have locate, this should be much faster: locate .git |grep git$ If you have gnu locate or mlocate, this will select only the git dirs: locate -ber \\.git$

To comment on the same line as the code you can use &:: or &rem. You can also use && or || to replace &. Example : @echo off echo This is a test &::This is a comment echo This is another test &rem This is another comment pause A curiosity: SET command allows limit...

var Vehicle = Backbone.Model.extend({ description: function () { return 'I have ' + this.get('wheels') + ' wheels'; } }); var Bicycle = Vehicle.extend({ defaults: { wheels: 2 } }); var Car = Vehicle.extend({ defaults: { wheels: 4 } })...

To find a file in the Hadoop Distributed file system: hdfs dfs -ls -R / | grep [search_term] In the above command, -ls is for listing files -R is for recursive(iterate through sub directories) / means from the root directory | to pipe the output of first command to the second grep command t...

the easiest way is to have the local branch checked out: git checkout old_branch then rename the local branch, delete the old remote and set the new renamed branch as upstream: git branch -m new_branch git push origin :old_branch git push --set-upstream origin new_branch

In order to build an IPA file in XCode, you require to sign your application with a certificate and provisioning profile. These can be created at https://developer.apple.com/account/ios/profile/create Provisioning Profile Types Provisioning Profiles are split into two types, Development, and Distr...

DateUtils.formatDateTime() allows you to supply a time, and based on the flags you provide, it creates a localized datetime string. The flags allow you to specify whether to include specific elements (like the weekday). Date date = new Date(); String localizedDate = DateUtils.formatDateTime(contex...

Date date = new Date(); df = new SimpleDateFormat("HH:mm", Locale.US); String localizedDate = df.format(date) Commonly used patterns: HH: hour (0-23) hh: hour (1-12) a: AM/PM marker mm: minute (0-59) ss: second dd: day in month (1-31) MM: month yyyy: year