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NSDate is a very simple value type, representing one exact moment in universal time. It does not contain information about time zones, daylight saving time, calendars, or locale. NSDate is really only an immutable wrapper around an NSTimeInterval which is a double. There is no mutable subclass, a...

You will need the Qt SQL plugin corresponding to the type given to QSqlDatabase::addDatabase If you don't have the required SQL plugin, Qt will warn you that it can't find the requested driver If you don't have the required SQL plugin you will have to compile them from the Qt source

CONTAINS operator : It allows to filter objects with matching subset. NSPredicate *filterByName = [NSPredicate predicateWithFormat:@"self.title CONTAINS[cd] %@",@"Tom"]; LIKE : Its simple comparison filter. NSPredicate *filterByNameCIS = [NSPredicate predicateWithForma...

A new section called Data Structures was brought to life where explanations of certain structures + some simple example(s) of creation are provided. To keep its content concise and uncluttered, it should not contain any documentation about data manipulation. Therefore, this section was renamed to...

This section provides an overview of what database is, and why a developer might want to use it. It should also mention any large subjects within database, and link out to the related topics. Since the Documentation for database is new, you may need to create initial versions of those related to...

shape-outside: none | [ <basic-shape> || <shape-box> ] | <image> shape-margin: <length> | <percentage> shape-image-threshold: <number> ParameterDetailsnoneA value of none means that the float area (the area that is used for wrapping content a...

-- defining a function with no arguments looks the same as simply defining a value language = "Elm" -- calling a function with no arguments by stating its name language -- parameters are separated by spaces and follow the function's name add x y = x + y -- call a function in the s...

This covers Ruby only, which is the main SASS compiler for many systems but other options exist. A very common one for any node developer would be node-sass which could be easier, and orders of magnitude faster, for many users.

The random module of NumPy provides convenient methods for generating random data having the desired shape and distribution. Here's the official documentation.

void expression; // Evaluates expression and discards return value +expression; // Attempt to convert expression to a number delete object.property; // Delete object's property delete object["property"]; // Delete object's property typeof operand; // Returns type of operand ~express...

CREATE [OR REPLACE] CONTEXT namespace USING [schema.]package; CREATE [OR REPLACE] CONTEXT namespace USING [schema.]package INITIALIZED EXTERNALLY; CREATE [OR REPLACE] CONTEXT namespace USING [schema.]package INITIALIZED GLOBALLY; CREATE [OR REPLACE] CONTEXT namespace USING [schema.]package ACCE...