Tutorial by Examples: b

Simple buttons

To create a button, use the md-button attribute for a flat button and md-raised-button for an elevated button: <button md-button>Button</button> <button md-raised-button>Raised Button</button> <button md-fab><md-icon>add</md-icon></button> <butt...

angular-material2 • md-button

Init SolrJ client for local STANDALONE cluster vs remote CLOUD with Kerberos

Handy method to initialise SolrJ client based on configuration properties; private void initSolrClient() { if (conf.kerberos().isEnabled()) { System.setProperty("java.security.auth.login.config", conf.kerberos().confPath()); HttpClientUtil.addConfigurer(new Krb5Http...

solrj • Getting started with solrj

PSR-1: Basic Coding Standard

PSR-1 is an accepted recommendation and outlines a basic standard recommendation for how code should be written. It outlines naming convetions for classes, methods and constants. It makes adopting PSR-0 or PSR-4 recommendations a requirement. It indicates which PHP tags to use: <?php and &lt...

PHP • PSR

PSR-8: Huggable Interface

PSR-8 is a spoof PSR (currently in Draft) proposed by Larry Garfield as an April Fools joke on 1 April 2014. The draft outlines how to define an interface to make an object Huggable. Excert from the code outline: <?php namespace Psr\Hug; /** * Defines a huggable object. * * A hugga...

PHP • PSR

Data binding with md-datapicker

datepicker-overview-example.html: <md-input-container> <input mdInput [mdDatepicker]="picker" [(ngModel)]="date" placeholder="Choose a date"> <button mdSuffix [mdDatepickerToggle]="picker"></button&gt...

angular-material2 • md-datepicker

Manually Execute Validation Attributes

Most of the times, validation attributes are use inside frameworks (such as ASP.NET). Those frameworks take care of executing the validation attributes. But what if you want to execute validation attributes manually? Just use the Validator class (no reflection needed). Validation Context Any valid...

C# Language • Data Annotation

Full Data Binding Example

JSON data { "name" : { "first" : "Joe", "last" : "Sixpack" }, "gender" : "MALE", "verified" : false, "userImage" : "keliuyue" } It takes two lines of Java to turn it into a User insta...

Android • Jackson

Option 2: Present Alternative Flow Modally (Better)

In the most straightforward implementation, the Onboarding flow can simply be presented in a modal context, since semantically the User is on a single journey. [Apple Human Interface Guidelines – Modality][1]: Consider creating a modal context only when it’s critical to get someone’s attention, ...

iOS • Swift: Changing the rootViewController in AppDelegate to present main or login/onboarding flow

Creating and distributing packages

This is a compact guide about how to quickly create an R package from your code. Exhaustive documentations will be linked when available and should be read if you want a deeper knowledge of the situation. See Remarks for more resources. The directory where your code stands will be refered as ./, an...

R Language • Creating packages with devtools

Using CMake to define the version number for C++ usage

The possibilities are endless. as you can use this concept to pull the version number from your build system; such as git and use that version number in your project. CMakeLists.txt cmake_minimum_required(VERSION 3.8) project(project_name VERSION "0.0.0") configure_file(${path to con...

cmake • Using CMake to configure preproccessor tags

Web notification

First, you will need to install Push.js module. $ npm install push.js --save Or import it to your front-end app through CDN <script src="./push.min.js"></script>  After you are done with that, you should be good to go. This is how it should look l...

Node.js • Push notifications

Page, DOM and Browser loading

This is an example to explain the variations of load events. onload event <body onload="someFunction()"> <img src="image1" /> <img src="image2" /> </body> <script> function someFunction() { console.log("Hi! I am l...

JavaScript • Events

Linking Electron with Bootstrap

In order to use bootstrap, there are 2 cases. The electron app is connected to internet The electron app is not connected to internet For electron apps that are connected to internet, we can just make use of CDN links for bootstrap and include that in our html files. The problem comes when w...

electron • Using bootstrap in electron

from a public repository using the command line and renaming file

This example grabs the Node.gitignore file from GitHub's gitignore repository, downloads it to your current working directory and renames it to .gitignore - all very typical actions for someone starting a new node.js project. $ curl http://github.com/github/gitignore/raw/master/Node.gitignore -o .g...

github • download single file from GitHub repository

Delegate Can be used as a layer to reduce boilerplate

Consider Kotlin's Null Type system and WeakReference<T>. So let's say we have to save some sort of reference and we wanted to avoid memory leaks, here is where WeakReference comes in. take for example this: class MyMemoryExpensiveClass { companion object { var reference: WeakR...

Kotlin • Delegated properties

Execute anonymous block

You can execute anonymous block. This example shows also how to return value from dynamic SQL: declare query_text varchar2(1000) := 'begin :P_OUT := cos(:P_IN); end;'; in_value number := 0; out_value number; begin execute immediate query_text using out out_value, in in_value; dbms_o...

Oracle Database • Dynamic SQL

Installation of nedb

It's very easy to install nedb. npm install nedb --save # Put latest version in your package.json For bower loving people, bower install nedb

electron • Using nedb in electron

Connecting electron app with Nedb

While building electron apps, usually the backend is in separate folder (js files) and front end is in a separate folder (html files). In the backend, in order to use the database, we have to include the nedb package with the require statement as follows. var Datastore = require('nedb'),db = new Da...

electron • Using nedb in electron

Insert Data in nedb

Basically, in order to insert records to nedb, the data is stored in the form of json with the key being the column names and the value for those names will be the values for that record. var rec = { name: 'bigbounty',age:16}; db.insert(rec, function (err, newrec) { // Callback is optional ...

electron • Using nedb in electron

Search in nedb

In order to search for records in nedb, again we need to just pass the json containing the search criteria as a parameter to the find function of db object. db.find({ name: 'bigbounty' }, function (err, docs) { // docs is an array containing documents that have name as bigbounty // If no docu...

electron • Using nedb in electron