Tutorial by Examples: n

Let's apply the State Machine pattern for parsing lines with the specific pattern using S4 Class feature from R. PROBLEM ENUNCIATION We need to parse a file where each line provides information about a person, using a delimiter (";"), but some information provided is optional, and instea...

UILabel, UITextField, & UITextView classes have a new property starting from iOS 10 for automatically resizing their font when a user changes their preferred reading size named adjustsFontForContentSizeCategory. Swift @IBOutlet var label:UILabel! if #available(iOS 10.0, *) { label.adju...

Lets start installing the popular library Alamofire to our Xcode project! Lets first install CocoaPods by using the command: [sudo] gem install cocoapods Then let's create a new project in Xcode called Start! Navigate to the folder that contains the .xcodeproj and create a new text file called ...

(clj-time/date-time 2017 1 20) Gives you a Joda time of 20th Jan 2017 at 00:00:00. Hours, minutes and seconds can also be specified as (clj-time/date-time year month date hour minute second millisecond)

In the directory if the xcodeproj, create a new file called Podfile. The following is an example of a Podfile that installs the pod 'AFNetworking' version 1.0 to the app MyApp. target 'MyApp' pod 'AFNetworking', '~> 1.0'

Its key features include: Use of the publish/subscribe message pattern which provides one-to-many message distribution and decoupling of applications. A messaging transport that is agnostic to the content of the payload. Three qualities of service for message delivery A small transp...

Go to ActiveMQ Website and download latest stable version of activeMQ click here to activeMQ downloads after downloading, unzip it if you're using windows 32 Go to apache-activemq-5.14.3\bin\win32 if windows 64 apache-activemq-5.14.3\bin\win64 run the activemq batch file thats it...

In the tsconfig.json set "sourceMap": true, to generate mappings alongside with js-files from the TypeScript sources using the tsc command. The launch.json file: { "version": "0.2.0", "configurations": [ { "type"...

Create a Node.js debug configuration and use index.js as Node parameters.

Add ts-node to your TypeScript project: npm i ts-node Add a script to your package.json: "start:debug": "ts-node --inspect=5858 --debug-brk --ignore false index.ts" The launch.json needs to be configured to use the node2 type and start npm running the start:debug script: ...

Add this script to your package.json: "start:idea": "ts-node %NODE_DEBUG_OPTION% --ignore false index.ts", Right click on the script and select Create 'test:idea'... and confirm with 'OK' to create the debug configuration: Start the debugger using this configuration:

Scala supports lazy evaluation for function arguments using notation: def func(arg: => String). Such function argument might take regular String object or a higher order function with String return type. In second case, function argument would be evaluated on value access. Please see the example...

create Dynamic web project in sts/eclipse download the eclipse paho jar from click here to download and paste jar file in webcontent->webinf->folder->lib Publish Example String broker = "tcp://localhost:1883"; String topicName = "test/topic"; int qos = 1; Mqt...

Even though colorblind people can recognize a wide range of colors, it might be hard to differentiate between certain colors. RColorBrewer provides colorblind-friendly palettes: library(RColorBrewer) display.brewer.all(colorblindFriendly = T) The Color Universal Design from the University ...

These instructions are for a base install of Community Edition for local development purposes. Mac (Official documentation is maintained here) 1. Install Dependencies: Homebrew brew install arangodb If you don't want Homebrew or otherwise prefer a binary, you can download it instead here. 2...

Following points are to be kept in mind always: Take the PRD (Product Requirement Document from Business Analyst/Project Manager). If they don't have it, insist on a documentation since that will be the bible for your testing Once you get it, make sure to read it thoroughly. You will get comple...

Behat/Mink Install using composer (for other methods check ) behat.org If you using linux, please go sure that you have installed php-curl (normal curl installation won't work) Linux sudo apt-get install php5-curl If you are using Windows, make sure you have PHP, Curl and Git installed. You...

Suppose you have a file that looks like this John Smith 31 Robert Jones 27 ... This file has 3 columns separated by spaces. To select only the first column, do the following. cut -d ' ' -f1 filename Here the -d flag, specifies the delimiter, or what separates the records. The -f flag speci...

Sometimes, it's useful to display a range of columns in a file. Suppose you have this file Apple California 2017 1.00 47 Mango Oregon 2015 2.30 33 To select the first 3 columns do cut -d ' ' -f1-3 filename This will display the following output Apple California 2017 Mango Oregon 2015 ...

Internally, Django uses the Python logging system. There is many way to configure the logging of a project. Here is a base: LOGGING = { 'version': 1, 'disable_existing_loggers': False, 'formatters': { 'default': { 'format': "[%(asctime)s] %(levelname)s [%(n...