Tutorial by Topics: cat

Let's clear up some misconceptions that beginners might make. You may have encountered functions such as: max :: (Ord a) => a -> a -> a max m n | m >= n = m | otherwise = n Beginners will typically view max :: (Ord a) => a -> a -> a as function that takes t...

DataFrame.merge(right, how='inner', on=None, left_on=None, right_on=None, left_index=False, right_index=False, sort=False, suffixes=('_x', '_y'), copy=True, indicator=False) Merge DataFrame objects by performing a database-style join operation by columns or indexes. If joining columns ...

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...

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

In case running cordova run android fails. Make sure that your Android device is connected to your computer and run adb devices to make sure the Android Development Tools (ADT) can detect your device.

methoddetailsSoftwareSerial.hDocumentationSoftwareSerial(rxPin, txPin, inverse_logic)Constructor. rxPin: Data in (receive) pin, defaults to 0. txPin: Data out (transmit) pin, defaults to 1. inverse_logic: If true, treats LOW as if it were HIGH and HIGH as LOW when determining bit values. defaults t...

desiredAccuracy distanceFilter requestLocation() startUpdatingLocation() allowDeferredLocationUpdates(untilTraveled:timeout:) startMonitoringSignificantLocationChanges() allowDeferredLocationUpdates(untilTraveled:timeout:) authorizedAlways authorizedWhenInUse locationManager(_:didChangeA...

(yield -- Allows you to export items from a component (hash -- Allows you to export a hash or object, since this is required to call child components within the parent's block. The requirement is that there is a . for the component to be created (component -- Creates the child component which c...

Inside a specific node /path to/element[@attribute_name] Anywhere in the document //*[@attribute_name] Inside a specific node with some value /path to/element[@attribute_name='search value'] /path to/element[@attribute_name="search value"] Anywhere in the documen...