Tutorial by Examples: g

Animate CardView background color with TransitionDrawable

public void setCardColorTran(CardView card) { ColorDrawable[] color = {new ColorDrawable(Color.BLUE), new ColorDrawable(Color.RED)}; TransitionDrawable trans = new TransitionDrawable(color); if(Build.VERSION.SDK_INT > Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) { card.setB...

Android • CardView

Animate views background color (switch-color) with TransitionDrawable

public void setCardColorTran(View view) { ColorDrawable[] color = {new ColorDrawable(Color.BLUE), new ColorDrawable(Color.RED)}; TransitionDrawable trans = new TransitionDrawable(color); if(Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.JELLY_BEAN) { view.setBackgrou...

Android • TransitionDrawable

Declaration and Usage

As already mentioned you can declare an unordered map of any type. Let's have a unordered map named first with string and integer type. unordered_map<string, int> first; //declaration of the map first["One"] = 1; // [] operator used to insert the value first["Two"] = 2...

C++ • Using std::unordered_map

MonoBehaviour & ScriptableObject based Singleton Class

Most Singleton examples use MonoBehaviour as the base class. The main disadvantage is that this Singleton class only lives during run time. This has some drawbacks: There is no way of directly editing the singleton fields other than changing the code. No way to store a reference to other assets...

unity3d • Singletons in Unity

Comparing literal and variable

Suppose you are comparing value with some variable if ( i == 2) //Bad-way { doSomething; } Now suppose you have mistaken == with =. Then it will take your sweet time to figure it out. if( 2 == i) //Good-way { doSomething; } Then, if an equal sign is accidentally left out, the ...

C Language • Common C programming idioms and developer practices

Sample page

This example is a sample page that shows how to use Dojo to display a "Hello world" text inside <h1> tag. <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Dojo sample</title> <script src="//ajax.go...

dojo • Getting started with dojo

[Intermediate] Pagination on a function based view

We have seen in those examples (ex_1, ex_2) how to use and override the pagination classes in any generic class base view. What happens when we want to use pagination in a function based view? Lets also assume that we want to create a function based view for MyModel with PageNumberPagination, res...

django-rest-framework • Pagination

Getting the Day of the Week

You can use TO_CHAR( date_value, 'D' ) to get the day-of-week. However, this is dependent on the NLS_TERRITORY session parameter: ALTER SESSION SET NLS_TERRITORY = 'AMERICA'; -- First day of week is Sunday SELECT TO_CHAR( DATE '1970-01-01', 'D' ) FROM DUAL; Outputs 5 ALTER SESSION SET ...

Oracle Database • Dates

Open BottomSheet DialogFragment in Expanded mode by default.

BottomSheet DialogFragment opens up in STATE_COLLAPSED by default. Which can be forced to open to STATE_EXPANDEDand take up the full device screen with help of the following code template. @NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { BottomSheetDialog dialog = ...

Android • Bottom Sheets

Using extensions with lambdas

If you have: operator fun <R> String.invoke(block: () -> R) = { try { block.invoke() } catch (e: AssertException) { System.err.println("$this\n${e.message}") } } You can write the following DSL-like code: "it should return 2" { parse("1 + 1").bu...

Kotlin • DSL Building

Listening print job request status change

For the most printing clients, is extremely useful to know if a print job has finished or failed. The Java Print Service API provide some functionalities to get informed about these scenarios. All we have to do is: provide an implementation for PrintJobListener interface and register this impl...

Java Language • Java Print Service

Uninstalling a Ruby

There are two ways to uninstall a particular version of Ruby. The easiest is to simply remove the directory from ~/.rbenv/versions: $ rm -rf ~/.rbenv/versions/2.1.0 Alternatively, you can use the uninstall command, which does exactly the same thing: $ rbenv uninstall 2.1.0 If this version ha...

Ruby Language • rbenv

Installing CakePHP 3.4 on CentOS 7 with PHP 7 and SELinux enabled

This is what I did to install CakePHP on a fresh installed minimal CentOS 7 Installed a CentOS-7-x86_64-Minimal-1611.iso in VirtualBox, two network interfaces: first NAT, second Host-Only set ONBOOT=yes in /etc/sysconfig/network-scripts/ifcfg-enp0s3 reboot yum update yum install net-tools (to...

cakephp-3.0 • Getting started with cakephp-3.0

Putting the pipe in a utility-functions file

One option for doing this is to export the pipe from within the package itself. This may be done in the 'traditional' zzz.R or utils.R files that many packages utilise for useful little functions that are not exported as part of the package. For example, putting: #' Pipe operator #' #' @name %&gt...

R Language • Using pipe assignment in your own package %<>%: How to ?

Firebase Cloud Messaging HTTP Protocol

From your server request to the the link below to send the notification with some request parameters https://fcm.googleapis.com/fcm/send While requesting add headers as follows Authorization key=<Your_key_from_the_console> Content-Type application/json The body of the request v...

firebase • Push notification from custom server

Using Admin SDK(Node js)

At first initilize the firebase sdk and admin SDK const functions = require('firebase-functions'); const admin = require('firebase-admin'); admin.initializeApp({ credential: admin.credential.cert({ //your admin credential certificate generated from the console. Follow this [link][1]...

firebase • Push notification from custom server

custom ngx-bootstrap datepicker

datepicker.component.html <div (clickOutside)="onClickedOutside($event)" (blur)="onClickedOutside($event)"> <div class="input-group date" [ngClass]="{'disabled-icon': disabledDatePicker == false }"> <input (change)="cha...

Angular 2 • custom ngx-bootstrap datepicker + input

Using littler to execute R scripts

littler (pronounced little r) (cran) provides, besides other features, two possibilities to run R scripts from the command line with littler's r command (when one works with Linux or MacOS). Installing littler From R: install.packages("littler") The path of r is printed in the termin...

R Language • Standardize analyses by writing standalone R scripts

Require Config Typoscript.

config { simulateStaticDocuments = 0 index_enable = 1 index_externals = 1 linkVars = L sys_language_mode = content_fallback sys_language_overlay = hideNonTranslated doctype = xhtml_trans xhtml_cleaning = all doctype = html5 xmlprologue = none re...

typo3 • Basic typoscript for TYPO3 installation

get Page content :

# CONTENT: Main content lib.content.main = COA lib.content.main { stdWrap.innerWrap = | 10 < styles.content.get } lib.content.0 < lib.content.main # CONTENT: Sidebar lib.content.left = COA lib.content.left { stdW...

typo3 • Basic typoscript for TYPO3 installation