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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...

struct UnsafeMutablePointer<Pointee> A pointer for accessing and manipulating data of a specific type. You use instances of the UnsafeMutablePointer type to access data of a specific type in memory. The type of data that a pointer can access is the pointer's Pointee type. UnsafeMutable...

Deconstructing the use of an unsafe pointer in the Swift library method; public init?(validatingUTF8 cString: UnsafePointer<CChar>) Purpose: Creates a new string by copying and validating the null-terminated UTF-8 data referenced by the given pointer. This initializer does not try to rep...

extension Dictionary { func merge(dict: Dictionary<Key,Value>) -> Dictionary<Key,Value> { var mutableCopy = self for (key, value) in dict { // If both dictionaries have a value for same key, the value of the other dictionary is used. mu...

public static void applyFontToMenu(Menu m, Context mContext){ for(int i=0;i<m.size();i++) { applyFontToMenuItem(m.getItem(i),mContext); } } public static void applyFontToMenuItem(MenuItem mi, Context mContext) { if(mi.hasSubMenu()) for(int i=0;i<mi.getSubMenu...

See Ellie for a working example. This example uses the NoRedInk/elm-decode-pipeline module. Given a list of JSON objects, which themselves contain lists of JSON objects: [ { "id": 0, "name": "Item 1", "transactions": [ { "id&quo...

Create a workspace mkdir -p ~/catkin_ws/src cd ~/catkin_ws/src catkin_init_workspace Build your workspace cd ~/catkin_ws/ catkin_make Source your setup file source devel/setup.bash Create a new package named hello_world with some basic dependencies catkin_create_pkg hello_world std_m...

Text drawing settings setTypeface(Typeface typeface) Set the font face. See Typeface setTextSize(int size) Set the font size, in pixels. setColor(int color) Set the paint drawing color, including the text color. You can also use setARGB(int a, int r, int g, int b and setAlpha(int alpha) setLet...

setStyle(Paint.Style style) Filled shape FILL, Stroke shape STROKE, or both FILL_AND_STROKE setColor(int color) Set the paint drawing color. You can also use setARGB(int a, int r, int g, int b and setAlpha(int alpha) setStrokeCap(Paint.Cap cap) Set line caps, either ROUND, SQUARE, or BUTT (none)...

An Albers projection, or more properly, an Albers equal area conic projection, is a common conical projection and an official projeciton of a number of jurisdictions and organizations such as the US census bureau and the province of British Columbia in Canada. It preserves area at the expense of oth...

var foo = new uint8[12]; var bar = foo; assert (foo != bar); In this example, the both foo and bar possess a strong reference, but since uint8[] only support single ownership, a copy is made.

I use Spring Boot 1.4.4.RELEASE , with MySQL as the Database and Spring Data JPA abstraction to work with MySQL. Indeed ,it is the Spring Data JPA module that makes it so easy to set up Pagination in a Spring boot app in the first place. Scenario expose an endpoint /students/classroom/{id} . It wi...

A program can easily waste time by calling a processor-intensive function multiple times. For example, take a function which looks like this: it returns an integer if the input value can produce one, else None: def intensive_f(value): # int -> Optional[int] # complex, and time-consuming cod...

By default STI model class name is stored in a column named type. But its name can be changed by overriding inheritance_column value in a base class. E.g.: class User < ActiveRecord::Base self.inheritance_column = :entity_type # can be string as well end class Admin < User; end Migr...

Having type column in a Rails model without invoking STI can be achieved by assigning :_type_disabled to inheritance_column: class User < ActiveRecord::Base self.inheritance_column = :_type_disabled end

In a basic implementation the task module must define a run/1 function that takes a list of arguments. E.g. def run(args) do ... end defmodule Mix.Tasks.Example_Task do use Mix.Task @shortdoc "Example_Task prints hello + its arguments" def run(args) do IO.puts "Hello ...