Tutorial by Examples: c

Retrieve System DateTime VBA supports 3 built-in functions to retrieve the date and/or time from the system's clock. FunctionReturn TypeReturn ValueNowDateReturns the current date and timeDateDateReturns the date portion of the current date and timeTimeDateReturns the time portion of the current d...

These functions take a Variant that can be cast to a Date as a parameter and return an Integer representing a portion of a date or time. If the parameter can not be cast to a Date, it will result in a run-time error 13: Type mismatch. FunctionDescriptionReturned valueYear()Returns the year portion ...

DateDiff() DateDiff() returns a Long representing the number of time intervals between two specified dates. Syntax DateDiff ( interval, date1, date2 [, firstdayofweek] [, firstweekofyear] ) interval can be any of the intervals defined in the DatePart() function date1 and date2 are the two ...

CDate() CDate() converts something from any datatype to a Date datatype Sub CDateExamples() Dim sample As Date ' Converts a String representing a date and time to a Date sample = CDate("September 11, 2001 12:34") Debug.Print Format$(sample, "yyyy-mm-dd hh:nn:...

Server Syntax var io = require('socket.io')(80); io.on('connection', function (mysocket) { //custom event called `private message` mysocket.on('private message', function (from, msg) { console.log('I received a private message by ', from, ' saying ', msg); }); //internal `di...

The available commands will be displayed, including a brief description, in tabular format. In Windows 10 the following commands are listed: CommandDescriptionASSOCDisplays or modifies file extension associations.ATTRIBDisplays or changes file attributes.BREAKSets or clears extended CTRL+C checkin...

Install node modules npm install express npm install socket.io Node.js server const express = require('express'); const app = express(); const server = app.listen(3000,console.log("Socket.io Hello Wolrd server started!")); const io = require('socket.io')(server); io.on('connec...

Open Graph is a standard for metadata that extends the normal information contained within a site's head markup. This enables websites such as Facebook to display deeper and richer information about a website in a structured format. This information is then automatically displayed when users share l...

stri_paste(LETTERS,"-", 1:13) # [1] "A-1" "B-2" "C-3" "D-4" "E-5" "F-6" "G-7" "H-8" "I-9" "J-10" "K-11" "L-12" "M-13" # [14] "N-1" "...

This is an simple example to create a mysql server with docker 1.- create docker-compose.yml: Note: If you want to use same container for all your projects, you should create a PATH in your HOME_PATH. If you want to create it for every project you could create a docker directory in your project. ...

The text displayed in a button can be customized, by creating a ButtonType instance yourself: ButtonType answer = new ButtonType("42"); ButtonType somethingElse = new ButtonType("54"); Alert alert = new Alert(Alert.AlertType.NONE, "What do you get when you multiply six ...

/// <summary> /// Converts a data type to another data type. /// </summary> public static class Cast { /// <summary> /// Converts input to Type of default value or given as typeparam T /// </summary> /// <typepara...

/// <summary> /// Read configuration values from app.config and convert to specified types /// </summary> public static class ConfigurationReader { /// <summary> /// Get value from AppSettings by key, convert to Type of default value or typ...

root: build.gradle buildscript { repositories { jcenter() } dependencies { classpath 'com.android.tools.build:gradle-experimental:0.8.0-alpha4' } } allprojects { repositories { jcenter() } } app: build.gradle apply plugin: 'com.andro...

You can wrap values into actions and pipe the result of one computation into another: return :: Monad m => a -> m a (>>=) :: Monad m => m a -> (a -> m b) -> m b However, the definition of a Monad doesn’t guarantee the existence of a function of type Monad m => m a -&...

person = name: "Duder von Broheim" age: 27 address: "123 Fake St" phoneNumber: "867-5309" {name, age, address, phoneNumber} = person

CoffeeScript allows to deconstruct objects and arrays when they are fed to functions as arguments. A function that leverages deconstruction will specify in its signature all the fields that are expected within its body. When invoking such function, an object or array containing all the expected fie...

XML <Goku> <child name="Gohan"/> <child name="Goten"/> </Goku> XPATH count(/Goku/child) OUTPUT 2.0

The example below will collect the Device's OS version number and the the version of the application (which is defined in each projects' properties) that is entered into Version name on Android and Version on iOS. First make an interface in your PCL project: public interface INativeHelper { /...

When object's are linked by a lookup or master-detail relationship, the parent records field's can be referenced from the child record or 'base object' in a query. This is also known as upwards traversal. SELECT FirstName, Account.Name, Account.Category__c FROM Contact It's possible to traverse ...