Tutorial by Examples: er

Run the following as root: useradd username
Run the following as root: userdel username
Run the following as root: userdel -r username
groups More detailed information about user and group numerical IDs can be found with the id command.
groups username More detailed information about user and group numerical IDs can be found with id username.
This can be useful if you're writing a game or something that needs to execute a piece of code every a few seconds. import android.os.Handler; public class Timer { private Handler handler; private boolean paused; private int interval; private Runnable task = new Runnable ...
MSBuild evaluates PropertyGroup, Choose and ItemGroup elements that are directly under the Project element before those that are in Target elements. Directly under the Project element, PropertyGroup and Choose elements are evaluated in the order in which they appear, and then ItemGroup elements a...
function my_init_function() { // do something here } add_action( 'init', 'my_init_function' ); Using the name of the function to hook a set of instructions. With the init hook, the set of instructions will be executed right after wordpress has finished loading the necessary components. ...
n % 2 == 0 ? trace("n is even!") : trace("n is odd!"); // Assigning the evaluated expression to a variable var message = n % 2 == 0 ? "n is even!" : "n is odd!"; trace(message); Reference "If", Haxe manual
If different users need different datetime format then you may need to parse your incoming date string to actual date according to the format. In this case this snippet may help you. public class DateTimeBinder : DefaultModelBinder { public override object BindModel(ControllerContext control...
Professionally made web applications don't expose the internal details of the server environment to the user. When you place an order at your retailer, you don't see (or have to type) https://mydealer.com:8443/Dealerapp/entryPage.html, but just mydealer.com, although the app server needs all the det...
int[string] aa0 = ["x": 5, "y": 6]; //int values, string keys auto aa1 = ["x": 5.0, "y": 6.0]; // double values, string keys string[int] aa2 = [10: "A", 11: "B"]; //string values, int keys
A layout manager for templated views. Used within a ControlTemplate to mark where the content to be presented appears.
The most interesting package for managing real tokens is django-rest-knox which supports multiple tokens per user (and cancelling each token independently), as well as having support for token expiration and several other security mechanisms. django-rest-knox depends on cryptography. You can find m...
A simple example of Vehicle hierarchy can be taken for single table inheritance strategy. Abstract Vehicle class: package com.thejavageek.jpa.entities; import javax.persistence.DiscriminatorColumn; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persi...
You must always unregister scopes other then your current scope as shown below: //always deregister these $rootScope.$on(...); $scope.$parent.$on(...); You don't have to deregister listners on current scope as angular would take care of it: //no need to deregister this $scope.$on(...); $r...
<div class="container content"> <div class="row"> <!--Main Content--> <div class="col-lg-9 col-lg-push-3"> Main Content </div> <!--Sidebar--> <div class=&quot...
constructor(fb: FormBuilder) { this.form = fb.group({ firstInput: ['', Validators.compose([Validators.required, CustomValidators.cannotContainSpace]), CustomValidators.shouldBeUnique], secondInput: ['', Validators.required] }); } Here we use the FormBuilder to crea...
These APIs are used to query for video and channel analytics, like views/clicks and votes.
An AWS-Lambda function can be attached to a certain bucket event. Whenever a file/folder is created or removed, an event can trigger lambda function execution. A simple Lambda function to print the name of an uploaded File This is a one class lambda project to print the name of an uploaded file. ...

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