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If you are attempting to get an Angular2 site running on your Windows work computer at XYZ MegaCorp the chances are that you are having problems getting through the company proxy. There are (at least) two package managers that need to get through the proxy: NPM Typings For NPM you need to ad...

Complete the Installation and setup to connect your app to Firebase. This will create the project in Firebase. Add the dependency for Firebase Realtime Database to your module-level build.gradle file: compile 'com.google.firebase:firebase-database:9.2.1' Configure Firebase Databa...

@Component @Lazy public class Demo { .... .... } @Component public class B { @Autowired @Lazy // If this is not here, Demo will still get eagerly instantiated to satisfy this request. private Demo demo; ....... }

//'client.jade' //a button is placed down; similar in HTML button(type='button', id='send_by_button') Modify data #modify Lorem ipsum Sender //loading jQuery; it can be done from an online source as well script(src='./js/jquery-2.2.0.min.js') //AJAX request ...

Loop n times: while [ $((i=${i:=0}+1)) -le "$n" ]; do echo line $i done Output for n=5: line 1 line 2 line 3 line 4 line 5 Manipulating decimals: $ i=3.14159; echo $((${i%.*}*2)) 6 $ i=3.14159; echo $((${i#*.}*2)) 28318

If you want to use "cmake" (see www.cmake.org), type cd [your libpng source directory] cmake . -DCMAKE_INSTALL_PREFIX=/path make make install where "/path" points to the installation directory where you want to put the libpng "lib", "include", and &quot...

This will download libpng from the official "git" repository and build it in your "libpng" directory. git clone https://github.com/glennrp/libpng.git libpng cd libpng ./autogen.sh ./configure [--prefix=/path] make install where "/path" points to the installation...

import { expect } from 'chai'; import { createStore } from 'redux'; describe('redux store test demonstration', () => { describe('testReducer', () => { it('should increment value on TEST_ACTION', () => { // define a test reducer with initial state: test: 0 const te...

Project structure project/ group_vars/ development inventory.development playbook.yaml These variables will be applied to hosts under the development group due to the filename. --- ## Application app_name: app app_url: app.io web_url: cdn.io app_friendly: New App env_type: ...

Like patching of classes, you can also patch single objects. The difference is that only that one instance can use the new method. Example: Override a string object to provide parsing to boolean s = 'true' t = 'false' def s.to_b self =~ /true/ ? true : false end >> s.to_b =&...

A very simple example would be to fade out an SKSpriteNode. In Swift: let node = SKSpriteNode(imageNamed: "image") let action = SKAction.fadeOutWithDuration(1.0) node.runAction(action)

One helpful case is to have the action run a block of code. In Swift: let node = SKSpriteNode(imageNamed: "image") let actionBlock = SKAction.runBlock({ //Do what you want here if let gameScene = node.scene as? GameScene { gameScene.score += 5 } }) node.runActi...

To select an element by an exact HTML attribute use the css locator pattern [attribute=value] //selects the first element with href value '/contact' element(by.css('[href="/contact"]')); //selects the first element with tag option and value 'foo' element(by.css('option[value="f...

To select an element by an HTML attribute that contains a specified value use the css locator pattern [attribute*=value] //selects the first element with href value that contains'cont' element(by.css('[href*="cont"]')); //selects the first element with tag h1 and class attribute that...

Sometimes users from other regions than English-speaking have problems with encoding while for example programming a php project. It can be, that the server has another encoding then UTF-8, and if someone want to create a php project in UTF-8 on this server, his text might be shown incorrect. Examp...

One of most common use cases of Gitflow Initialize repo and define branches $ git flow init # if you use default setup, you'll define six types of branches: # # main branches (lives forever) # # 1. master: for production releases # 2. develop: for "next ...

Let us assume we have the following Series: >>> import pandas as pd >>> s = pd.Series([1, 4, 6, 3, 8, 7, 4, 5]) >>> s 0 1 1 4 2 6 3 3 4 8 5 7 6 4 7 5 dtype: int64 Followings are a few simple things which come handy when you are workin...

<nav class="navbar navbar-default"> <div class="container-fluid"> <div class="navbar-header"> <a class="navbar-brand" href="#"> <img alt="Brand" src="..."> </a> ...

Tomcat's Host Manager application by default is located at http://localhost:8080/host-manager, but is not accessible until a user is given permission in the conf/tomcat-users.xml file. The file needs to have: A manager-gui role A user with this role For example: <tomcat-users> ......

Once you have access to the host-manager, the GUI will let you add a virtual host. Note: In Tomcat 7 and 8, adding a virtual host via the GUI does not write the vhost to config files. You will need to manually edit the server.xml file to have the vhost available after a restart. See http://tomc...