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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

Fastjson is a Java library that can be used to convert Java Objects into their JSON representation. It can also be used to convert a JSON string to an equivalent Java object. Fastjson Features: Provide best performance in server side and android client Provide simple toJSONString() and parseObjec...

A Nested-GridView is a GridView control inside the grid row of the parent GridView control. <asp:GridView ID="gvParent" runat="server"></asp:GridView> <asp:GridView ID="gvChild" runat="server"></asp:GridView> gvParentIt is ...

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

After installing perforce and setup your workspace through p4v, you could set up your workspace in Windows cmd.

This topic includes examples on how to create a button and what its' directives and other stuff do. AttributeDescriptionmd-buttonCreates a rectangular button w/ no elevation.md-raised-buttonCreates a rectangular button w/ elevationmd-icon-buttonCreates a circular button with a transparent backg...

Android Architecture Components is new collection of libraries that help you design robust, testable, and maintainable apps. Main parts are: Lifecycles, ViewModel, LiveData, Room.

Computational clause is used to describe type of storage used in COBOL. It is used for 3 ways: COMP-1, COMP-2 and COMP-3. The most common form of computational is COMP-3. It frequently is just called "COMP" by programmers.

Jackson is a multi-purpose Java library for processing JSON. Jackson aims to be the best possible combination of fast, correct, lightweight, and ergonomic for developers. Jackson features： Multi processing mode, and very good collaboration Not only annotations, but also mixed annotations Fully s...

It is often useful to present a first-run experience to new users of your App. This could be for any number of reasons, such as prompting them to sign in (if required for your situation), explaining how to use the App, or simply informing them of new features in an update (as Notes, Photos and Music...

Engines can be considered miniature applications that provide functionality to their host applications. A Rails application is actually just a "supercharged" engine, with the Rails::Application class inheriting a lot of its behavior from Rails::Engine. Engines are the reusable rails appli...

Python has many built-in exceptions which force your program to output an error when something in it goes wrong. However, sometimes you may need to create custom exceptions that serve your purpose. In Python, users can define such exceptions by creating a new class. This exception class has to be ...

In Python function will be returned as soon as execution hits "return" statement.

This topic will cover the creation of R packages from scratch with the devtools package. Official R manual for creating packages roxygen2 reference manual devtools reference manual

The use of CMake in a C++ project if used correctly can allow the programmer to focus less on the platform, program version number and more on the actual program itself. With CMake you can define preprocessor tags that allow for easy checking of which platform or any other preprocessor tags you migh...

Applescript is a powerful scripting language that can be used directly from the Terminal command line to accomplish a multitude of tasks. All examples listed in this section are meant to be used from the Terminal application.

This topic includes short, brief but comprehensive examples of loading pre-trained weights, inserting new layers on top or in the middle of pre-tained ones, and training a new network with partly pre-trained weights. An example for each of out-of-the-box pre-trained networks, available in Keras libr...