Tutorial by Examples: l

ShouldPerformSegueWithIdentifier: func shouldPerformSegueWithIdentifier(_ identifier:String, sender sender:AnyObject?) -> Bool Determines whether the segue with the specified identifier should be performed. Parameters Identifier: String that identifies the triggered segue Sender: The...

PerformSegueWithIdentifier: func performSegueWithIdentifier(_ identifier:String, sender sender:AnyObject?) Initiates the segue with the specified identifier from the current view controller's storyboard file Parameters Identifier: String that identifies the triggered segue Sender: The ob...

After you configured your LDAP server correctly, now we want to connect. For example by using PHP. DN = distinguished name. This means, in which part of the database are you working. Can be a user or a group (or even config settings). Entry: an entity, for example a user. Attribute: something ...

Description: phpMyAdmin is a free software tool written in PHP, intended to handle the administration of MySQL over the Web. phpMyAdmin supports a wide range of operations on MySQL and MariaDB. Frequently used operations (managing databases, tables, columns, relations, indexes, users, permissions, ...

Every instance of WWW with a second parameter is a post. Here is an example to post user id and password to server. void Login(string id, string pwd) { WWWForm dataParameters = new WWWForm(); // Create a new form. dataParameters.AddField("username", id); dataParameter...

If the administrator creates your database for you when setting up your permissions, you can begin using it. Otherwise, you need to create it yourself: mysql> CREATE DATABASE menagerie; Under Unix, database names are case sensitive (unlike SQL keywords), so you must always refer to your datab...

In list context hash is flattened. my @bar = ( %hash, %hash ); The array @bar is initialized by list of two %hash hashes both %hash are flattened new list is created from flattened items @bar array is initialized by that list It is guaranteed that key-value pairs goes together. Keys are...

Overview Gtk+ supports a workflow where the task of user interface design and the task of programming are decoupled. Although the user interface elements such as buttons, menus, layout etc. can be directly added from code, this approach not only clutters the code, but also makes changing the UI for...

In some instances, you will want to send data from JS client to the R server. Here is a basic example using javascript's Shiny.onInputChange function: library(shiny) runApp( list( ui = fluidPage( # create password input HTML('<input type="password" id="passw...

To install DevExpress .NET products on your development machine, it is first necessary to obtain the DevExpress .NET Products Installer. You can download it from the http://www.devexpress.com website in one of the following ways, based on the status of your current account. Download the Trial ...

You can use the heroku create command to create a Heroku application. Each application you deploy to Heroku has its own code base, environment variables, addons, etc. Each Heroku application has a globally unique name. If you try to create a Heroku application whose name is already taken, you will ...

This example demonstrates usage of POSIX record locks (a.k.a. process-associated locks), provided by fcntl function (POSIX base standard). Notes: Exclusive and shared locks are supported. Can be applied to a byte range, optionally automatically expanding when data is appended in future (control...

This example demonstrates usage of lockf function (POSIX XSI). Notes: Only exclusive locks are supported. Can be applied to a byte range, optionally automatically expanding when data is appended in future (controlled by len argument and position set with lseek function). Locks are released on ...

Components and Props As React concerns itself only with an application's view, the bulk of development in React will be the creation of components. A component represents a portion of the view of your application. "Props" are simply the attributes used on a JSX node (e.g. <SomeComponen...

CKContainer.defaultContainer().accountStatusWithCompletionHandler { accountStatus, error in if accountStatus == .NoAccount { let alert = UIAlertController(title: "Sign in to iCloud", message: "Sign in to your iCloud account to write records. On the Home screen, l...

The standard Java toolchain (and 3rd-party tools designed to interoperate with them) have specific rules for mapping the names of classes to the pathnames of files and other resources that represent them. The mappings are as follows For classes in the default package, the pathnames are simple fi...

A model for a new table can be created by running the following commend from the terminal root location: phalcon model <table-name> Let us take the Model Users. SELECT There are two default functions to do select operation in phalcon, find() and findFirst() findFirst() is used to get th...

C-Style casting can be considered 'Best effort' casting and is named so as it is the only cast which could be used in C. The syntax for this cast is (NewType)variable. Whenever this cast is used, it uses one of the following c++ casts (in order): const_cast<NewType>(variable) static_cast&...

identification division. program-id. altering. date-written. 2015-10-28/06:36-0400. remarks. Demonstrate ALTER. procedure division. main section. *> And now for some altering. contrived. ALTER story TO PROCEED TO beginning GO TO story . *> Jump to a part of the story...

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