Tutorial by Topics: i

Description The AWS Command Line Interface (CLI) is a unified tool to manage your AWS services. With just one tool to download and configure, you can control multiple AWS services from the command line and automate them through scripts. The AWS CLI introduces a new set of simple file commands ...

A “varargs” method argument allows callers of that method to specify multiple arguments of the designated type, each as a separate argument. It is specified in the method declaration by three ASCII periods (...) after the base type. The method itself receives those arguments as a single array, w...

Aspnet core is built with Dependency Injection as one of its key core concepts. It introduces one conforming container abstraction so you can replace the builtin one with a third-party container of your choice. IServiceCollection.Add(ServiceDescriptor item); IServiceCollection.AddScoped(Type ...

There will come a time where your CakePHP application will need to query more than one database. The method for requesting Models from non-default databases is not present in the official documentation.

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...

Be careful to be aware of the type of cv::Mat you are dealing with. For example, if you have a cv::Mat of type CV_8UC3, but access it with image.at<uchar>(r,c) no error will occur, but your program will have some unexpected behavior.

ParametersDetailsmanagerCLLocationManager referenceregionCLRegion could be circular region (geofence or beacon region)beaconsArray of CLBeacon contains all ranged beacons Beacons are IOT objects. We are focusing on those which conform to iBeacon protocol a Apple standard. Each beacon is a one...

Starter kits enable new users to start using Emacs quickly and avoid some of the setup hurdles that come from a mature system like Emacs -- one that has grown through decades of evolution and naturally has some historical quirks. Experienced users also benefit from having a kit configuration...

We can add validations to our application by adding Data Annotations to our model classes. Data Annotations allow us to describe the rules we want applied to our model properties, and ASP.NET MVC will take care of enforcing them and displaying appropriate messages to users.

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

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 ...

An object's property can be assigned a static value which stays constant until it is explicitly assigned a new value. However, to make the fullest use of QML and its built-in support for dynamic object behaviors, most QML objects use property bindings. Property bindings are a core feature of QML...

When searching against the target of a copyField instructions, the analyzer stack used is the one of the copyField target, not source. This is especially important to remember with default configuration that searches against generic text field.