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A frequent desire is to convert monthly data into quarterly data format. One simple method is to 1) sum the appropriate months into quarterly sums, then 2) identify those months as quarters, and finally 3) filter the quarterly data out of your monthly data. Here's a relatively quick and easy method ...

Angular components are elements composed by a template that will render your application.

In Firebase Database everything is a node, that follows the pattern key: value. Firebase Database provides us with a simple way to generate unique keys. Unique keys create new items while uploading data to a previously stored key will update.

Angular modules are containers for different parts of your app. You can have nested modules, your app.module is already actually nesting other modules such as BrowserModule and you can add RouterModule and so on.

Toast messages are the most simple way of providing feedback to the user. By default, Android provide gray color message toast where we can set the message and the duration of the message. If we need to create more customizable and reusable toast message, we can implement it by ourselves with the us...

In Xamarin.Android the BluetoothSocket.InputStream and BluetoothSocket.OutputStream properties are by design automatically converted to System.IO.Stream. In case of so called interactive communication protocol, when server responds only when client talks to it, System.IO.Stream is not good because ...

Java offers a wide variety of Collections. Choosing which Collection to use can be tricky. See the Examples section for an easy-to-follow flowchart to choose the right Collection for the job.

As you code PHP you will most likely get your self in a position where you need to break down an URL into several pieces. There's obviously more than one way of doing it depending on your needs. This article will explain those ways for you so you can find what works best for you.

C++ containers store a collection of elements. Containers include vectors, lists, maps, etc. Using Templates, C++ containers contain collections of primitives (e.g. ints) or custom classes (e.g. MyClass).

Java and C++ are similar languages. This topic serves as a quick reference guide for Java and C++ Engineers. Classes Defined within Other Constructs# Defined within Another Class C++ Nested Class[ref] (needs a reference to enclosing class) class Outer { class Inner { publ...

This topic includes coding examples related to Angular Material 2 Autocomplete (md-autocomplete) These examples don't cover all features of md-autocomplete. Please read the documentation learn more about md-autocomplete.

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

DATA DIVISION is one of the four parts that make up a COBOL program. It contains statements describing the data used by the program. It consists of four sections: FILE SECTION, WORKING-STORAGE SECTION, LOCAL-STORAGE SECTION and LINKAGE SECTION.

Semaphores & Mutexes are concurrency controls used to synchronize multiple thread access to shared resources. Semaphore Here's a brilliant explanation from this Stackoverflow question: Think of semaphores as bouncers at a nightclub. There are a dedicated number of people that are al...

Writing to a .csv file is not unlike writing to a regular file in most regards, and is fairly straightforward. I will, to the best of my ability, cover the easiest, and most efficient approach to the problem. ParameterDetailsopen ("/path/", "mode")Specify the path to your CS...

There are scenarios when dealing with service layer in liferay, when we need to query database with too many clauses or dealing with multiple tables.In such cases,we use either of: 1)Dynamic query(wrapper on Hibernate criteria API) 2)Custom SQL queries References: Custom SQL Dynamic quer...

Oracle Real Application Security was introduced in Oracle 12c. It summarize many Security Topics like User-Role-Model, Access Control, Application vs. Database, End-User-Security or Row- and Column Level Security