Tutorial by Topics: pl

PL/pgSQL is PostgreSQL's built-in programming language for writing functions which run within the database itself, known as stored procedures in other databases. It extends SQL with loops, conditionals, and return types. Though its syntax may be strange to many developers it is much faster than an...

If you want to offer suggestions to the user when they type in an editable text field, you can use an AutoCompleteTextView. It provides suggestions automatically when the user is typing. The list of suggestions is displayed in a drop down menu from which the user can select one to replace the cont...

Intent() Intent (Intent o) Intent (String action) Intent (String action, Uri uri) Intent (Context packageContext, Class<?> cls) Intent (String action, Uri uri, Context packageContext, Class<?> cls) ParametersDetailsoIntentactionString: The Intent action, such as ACTION_VI...

Haskell does not support tuples with one component natively. Units (written ()) can be understood as tuples with zero components. There are no predefined functions to extract components of tuples with more than two components. If you feel that you need such functions, consider using ...

request.files['name'] # single required file request.files.get('name') # None if not posted request.files.getlist('name') # list of zero or more files posted CombinedMultiDict((request.files, request.form)) # combine form and file data

Set IFS to newline: IFS=$'\n' Set IFS to nullstring: IFS= Set IFS to / character: IFS=/ ParameterDetailsIFSInternal field separator-xPrint commands and their arguments as they are executed (Shell option) Word splitting is not performed during assignments e.g newvar=$var Word splitting...

Applets have been part of Java since its official release and have been used to teach Java and programming for a number of years. Recent years have seen an active push to move away from Applets and other browser plugins, with some browsers blocking them or actively not supporting them. In 2016, Or...

The properties object-fit and object-position are not supported by Internet Explorer.

Remember that Angular 2 is all about singular responsibility. No matter how small your component is, dedicate a separate logic for each and every component. Be it a button, a fancy anchor link, a dialog header or even a sidenav's sub item.

The goal here is to not lose content, so the regex must not consume (match) any input. Rather it must match between the last character of the previous target input and the first character of the next target input. eg for 8-character substrings, we need to break the input up (ie match) at the place...

getUserMedia() ParamtersDescriptionConstraintsIt consist of array which allows us to specify which media devices to use i.e audio or video or bothSuccess callbackCreate a function for success callback which will provide you the stream which you get from your media devicesError callbackThis callback...

Excel VBA comes with a comprehensive object model which contains classes and objects that you can use to manipulate any part of the running Excel application. One of the most common objects you'll use is the Application object. This is a top-level catchall that represents the current running insta...