Tutorial by Examples: g

The angular.isDate function returns true if and only if the object passed to it is of the type Date. angular.isDate(value) Examples angular.isDate("lone star") // false angular.isDate(new Date()) // true

The angular.isNumber function returns true if and only if the object or value passed to it is of the type Number, this includes +Infinity, -Infinity and NaN angular.isNumber(value) This function will not cause a type coercion such as "23" == 23 // true Examples angular.isNumber...

This code makes sure that all nested containers are always the same height. This is done by assuring that all nested elements are the same height as the containing parrent div. See working example: https://jsfiddle.net/3wwh7ewp/ This effect is achieved due to the property align-items being set to...

tf get /all /recursive $/ Gets and replaces all files and directories from the last version available

By injecting $filter, any defined filter in your Angular module may be used in controllers, services, directives or even other filters. angular.module("app") .service("users", usersService) .controller("UsersController", UsersController); function usersService...

Passing a context with a timeout (or with a cancel function) to a long running function can be used to cancel that functions work: ctx, _ := context.WithTimeout(context.Background(), 200*time.Millisecond) for { select { case <-ctx.Done(): return ctx.Err() default: ...

The components in angularJS can be visualised as a custom directive (< html > this in an HTML directive, and something like this will be a custom directive < ANYTHING >). A component contains a view and a controller. Controller contains the business logic which is binded with an view , w...

Get the window height and width var width = window.innerWidth var height = window.innerHeight

String literal types allow you to specify the exact value a string can have. let myFavoritePet: "dog"; myFavoritePet = "dog"; Any other string will give a error. // Error: Type '"rock"' is not assignable to type '"dog"'. // myFavoritePet = "rock&qu...

3.0 let someString = " Swift Language \n" let trimmedString = someString.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceAndNewlineCharacterSet()) // "Swift Language" Method stringByTrimmingCharactersInSet returns a new string made by removing from both ends of t...

SleekXMPP (Python) import sleekxmpp client = sleekxmpp.Client("[email protected]", "password") client.connect() client.process(blocking=False) client.send_message(mto="[email protected]", mbody=self.msg) Smack (Java / Android) XMPPTCPConnection connectio...

In addition to functional constructs such as Try, Option and Either for error handling, Scala also supports a syntax similar to Java's, using a try-catch clause (with a potential finally block as well). The catch clause is a pattern match: try { // ... might throw exception } catch { case i...

A method can be converted to a closure using the & operator. def add(def a, def b) { a + b } Closure addClosure = this.&add assert this.add(4, 5) == addClosure(4, 5)

Add a keystore using: keytool -genkey -v -keystore example.keystore -alias example -keyalg RSA -keysize 2048 -validity 10000 Note: This should be at root of project. Though not a hard requirement, it eases the file referencing Add a build.json with release/dev configuration for key...

Declaring an array is very similar to declaring a variable, except you need to declare the dimension of the Array right after its name: Dim myArray(9) As String 'Declaring an array that will contain up to 10 strings By default, Arrays in VBA are indexed from ZERO, thus, the number inside the par...

Split Function returns a zero-based, one dimensional array containing a specified number of substrings. Syntax Split(expression [, delimiter [, limit [, compare]]]) PartDescriptionexpressionRequired. String expression containing substrings and delimiters. If expression is a zero-length string(&q...

Create Table mysql> CREATE TABLE account (acct_num INT, amount DECIMAL(10,2)); Query OK, 0 rows affected (0.03 sec) Create Trigger mysql> CREATE TRIGGER ins_sum BEFORE INSERT ON account -> FOR EACH ROW SET @sum = @sum + NEW.amount; Query OK, 0 rows affected (0.06 sec) The CRE...

stringVar="Apple Orange Banana Mango" arrayVar=(${stringVar// / }) Each space in the string denotes a new item in the resulting array. echo ${arrayVar[0]} # will print Apple echo ${arrayVar[3]} # will print Mango Similarly, other characters can be used for the delimiter. stringVa...

Create a model (lets call it User) by running: $ rails g model User which will generate the file app/models/user.rb: class User include Mongoid::Document end This is all you need to have a model (albeit nothing but an id field). Unlike ActiveRecord, there is no migration files. All the...

Many people find themselves eventually supporting multiple applications, and desire to share code between apps. This leads to the concept of microservice architecture, and all-package apps. Essentially, the code from the entire classic directory structure is refactored out into packages. Even tho...