Tutorial by Examples: i

Main Component File: //our root app component import {Component, NgModule, ViewChild, ViewContainerRef, ComponentFactoryResolver, ComponentRef} from '@angular/core' import {BrowserModule} from '@angular/platform-browser' import {ChildComponent} from './childComp.ts' @Component({ selector: ...

Read the data of Create And Write To A Stream back into a program. with Ada.Streams.Stream_IO; procedure Main is -- -- ... same type definitions as in referenced example -- Fruit_Colors : array (Fruit) of Color; use Ada.Streams.Stream_IO; F : File_Type; X : Fruit...

As of Salt version 2014.1.0, Salt uses a date based system for version numbers. Version numbers are in the format YYYY.MM.R. The year (YYYY) and month (MM) indicate when the release was created. The bugfix release number (R) increments within that feature release. In order to distinguish future rel...

@echo off cls echo Please input the file path, surrounded by "double quotation marks" if necessary. REM If you don't want to redirect, escape the > by preceding it with ^ set /p filepath=^> echo Writing a random number echo %RANDOM% > %filepath% echo Reading the random n...

package main import "fmt" var V int func F() { fmt.Printf("Hello, number %d\n", V) } This can be built with: go build -buildmode=plugin And then loaded and used from your application: p, err := plugin.Open("plugin_name.so") if err != nil { panic(e...

The following example shows how a set of data obtained from a remote source can be rendered into a component. We make an AJAX request using fetch, which is build into most browsers. Use a fetch polyfill in production to support older browsers. You can also use any other library for making requests ...

Running the split command without any options will split a file into 1 or more separate files containing up to 1000 lines each. split file This will create files named xaa, xab, xac, etc, each containing up to 1000 lines. As you can see, all of them are prefixed with the letter x by default. If ...

Let's say we want to go to the first day of a given month: date <- as.Date("2017-01-20") > as.POSIXlt(cut(date, "month")) [1] "2017-01-01 EST"

Let's say we want to move a given date a numof months. We can define the following function, that uses the mondate package: moveNumOfMonths <- function(date, num) { as.Date(mondate(date) + num) } It moves consistently the month part of the date and adjusting the day, in case the date re...

To get a list of the service on your system, you may run: service --status-all The output of service --status-all lists the state of services controlled by System V. The + indicates the service is running, - indicates a stopped service. You can see this by running service SERVICENAME status for...

ng new NewProject or ng init NewProject

The Flexbox (Flexible box) layout, introduced in CSS3 provides a more efficient way to lay out, align and distribute space among children elements(flex items) within a container element(flex container). Most importantly even when their sizes are unknown or dynamic and hence the term "flex"...

import sys from PyQt5.QtWidgets import QApplication, QWidget from PyQt5.QtGui import QIcon class Example(QWidget): def __init__(self): super().__init__() self.initUI() def initUI(self): self.setGeometry(300, 30...

import sys from PyQt5.QtWidgets import (QWidget, QToolTip, QPushButton, QApplication) from PyQt5.QtGui import QFont class Example(QWidget): def __init__(self): super().__init__() self.initUI() def initUI(self): ...

Here we can create UUID String with in one line. Represents UUID strings, which can be used to uniquely identify types, interfaces, and other items. Swift 3.0 print(UUID().uuidString) It is very useful for identify multiple devices with unique id.

package main import ( "k8s.io/kubernetes/pkg/api" unver "k8s.io/kubernetes/pkg/api/unversioned" "k8s.io/kubernetes/pkg/apis/extensions" "k8s.io/kubernetes/pkg/client/restclient" client "k8s.io/kubernetes/pkg/client/unversioned&...

package main import ( //"k8s.io/kubernetes/pkg/api" "k8s.io/kubernetes/pkg/client/restclient" "log" "os" // unver "k8s.io/kubernetes/pkg/api/unversioned" "k8s.io/kubernetes/pkg/apis/extensions" client &...

package main import ( // "k8s.io/kubernetes/pkg/api" // unver "k8s.io/kubernetes/pkg/api/unversioned" "k8s.io/kubernetes/pkg/apis/extensions" "k8s.io/kubernetes/pkg/client/restclient" client "k8s.io/kubernetes/pkg/client/unv...

Dockerize zookeeper-3.4.6 Create a Dockerfile: ####################################################### # Image: img.reg.3g:15000/zookeeper:3.4.6 ####################################################### FROM img.reg.3g:15000/jdk:1.7.0_67 MAINTAINER [email protected] USER root ENV ZO...

You can use Try..Catch to rollback database operation by placing the rollback statement at the Catch Segment. Try 'Do the database operation... xCmd.CommandText = "INSERT into ...." xCmd.ExecuteNonQuery() objTrans.Commit() ...