Tutorial by Topics: es

package in java is used to group class and interfaces. This helps developer to avoid conflict when there are huge numbers of classes. If we use this package the classes we can create a class/interface with same name in different packages. By using packages we can import the piece of again in anothe...

A UIRefreshControl object provides a standard control that can be used to initiate the refreshing of a table view’s contents. You link a refresh control to a table through an associated table view controller object. The table view controller handles the work of adding the control to the table’s visu...

Unit testing is a low level testing practice where smallest units or components of the code are tested.

This article will show you the various colours formats in Processing and the ways in which they can be used. color(r, g, b); color(r, g, b, alpha); color(gray); color(gray, alpha); color(h, s, l); //The mode must be HSB. You can change this using colorMode. ParametersDetailsrIs the red o...

Here is how you can clean up whitespace. See vimcast 4 transcript

WCSessionDelegate works with watch OS2 + using WatchConnectivity. var watchSession : WCSession? func startWatchSession(){ if(WCSession.isSupported()){ watchSession = WCSession.default() watchSession!.delegate = self ...

ConfigSlurper allows you to use another groovy script as a config file for your script instead of using, for example, a .properties file. You can do interesting configurations with typed properties and you don't need to convert from string. You can use lists, maps or a value based on some calcul...

At certain points, you will be evaluating a range of data and you will need to locate the duplicates in it. For bigger data sets, there are a number of approaches you can take that use either VBA code or conditional functions. This example uses a simple if-then condition within two nested for-next l...

Formula columns in saved searches can exploit many features of Oracle SQL and HTML. The examples show how these features can be used, as well as pitfalls to avoid.

Accessors and mutators allow you to format Eloquent attribute values when you retrieve or set them on model instances. For example, you may want to use the Laravel encrypter to encrypt a value while it is stored in the database, and then automatically decrypt the attribute when you access it on an E...

Images can be added to an email as foreground or background images. Images should be remotely hosted on a web server and pulled into an email using absolute paths. While similar to the web, the syntax and considerations can be a little different. ParametersDetailsalignSpecifies the alignment of an ...

jQuery promises are a clever way of chaining together asynchronous operations in a building-block manner. This replaces old-school nesting of callbacks, which are not so easily reorganised.

In order to keep Alamofire focused specifically on core networking implementations, additional component libraries have been created by the Alamofire Software Foundation to bring additional functionality to the Alamofire ecosystem. - AlamofireImage - AlamofireNetworkActivityIndicator

Whenever your app experiences an error, Heroku will return a standard error page with the HTTP status code 503. To help you debug the underlying error, however, the platform will also add custom error information to your logs. Each type of error gets its own error code, with all HTTP errors starting...

OpenCPU uses standard R packaging to develop, ship and deploy web applications.

Often you need to execute commands under a different user or get root privileges. Those options allow you to become another user in the guest system. become: can be set to true or yes and triggers the user escalation settings. become_user: set to the desired user in the remote host. become_metho...

Javascript examples to interact with existing store variables or scrape data that isn't easily exposed

One of the hardest things to do in C and C++ is resource management. Thankfully, in C++, we have many ways to go about designing resource management in our programs. This article hopes to explain some of the idioms and methods used to manage allocated resources.

Web Service is an application that is designed to interact directly with other applications over the internet. In simple sense, Web Services are means for interacting with objects over the Internet. The Web serivce consumers are able to invoke method calls on remote objects by using SOAP and HTTP ov...

When running VbScript in Windows shell, there is no built in function to include a file, therefore, to organize your code in different files you'll need to create a method to do that. A few things to keep in mind when using the IncludeFile(p_Path) method : There is no limitation of file typ...