Tutorial by Topics: s

Not every css property or HTML tag is supported by all email clients and here we can keep track of it & possible work around.

It's worth noting that on declaring a reference type, its initial value will be null. This is because it does not yet point to a location in memory, and is a perfectly valid state. However, with the exception of nullable types, value types must typically always have a value.

Intellij IDEA provides lots of code inspections, that can significantly simplify writing code. Inspections parameters can be found in Preferences | Editor | Inspections section. By default, IDEA has lots of them enabled. And lots of inspections support auto-fixing options, that can be seen on press...

How to configure your EF model to support entity splitting or table splitting.

Project json is a project configuration file structure, temporarily used by asp.net-core projects, before Microsoft moved back to the csproj files in favor of msbuild.

Dplyr and many modern libraries in R use non-standard evaluation (NSE) for interactive programming and standard evaluation (SE) for programming1. For instance, the summarise() function use non-standard evaluation but relies on the summarise_() which uses standard evaluation. The lazyeval library m...

Data types are nothing but variable you used to reserve some space in memory. Python variables do not need an explicit declaration to reserve memory space. The declaration happens automatically when you assign a value to a variable.

Like most OCaml values, records are immutable by default. However, since OCaml also handles imperative programming, it provides a way to make individual fields mutable. Mutable fields can be modified in-place by assignment, rather than having to resort to usual functional techniques, such as functio...

It's useful to have a T-SQL script for creating and configuring a new database and user for Alfresco Installation purposes. It's boring and time-consuming to jump around many pages on MSDN. I provide the script hereafter: Guidelines for preparing Alfresco Instalation to a SQLServer database,...

Security practices in Java can be separated into two broad, vaguely defined categories; Java platform security, and secure Java programming. Java platform security practices deal with managing the security and integrity of the JVM. It includes such topics as managing JCE providers and security poli...

We can utilize CI's shopping cart library when we are building a e-commerce site. we can setup add to cart, update cart items, delete cart items and even clear the cart functionalities using this library. From CodeIgniter Doc : The Cart Class permits items to be added to a session that stays active...

SCons is written in Python 2 and doesn't need any dependencies to work. You can just copy its scripts to your project source tree and run from here. Or you may want to use version packaged for your operating system.

The layouts are a necessary in every Qt application. They manage the object, their position, their size, how they are resized. From Qt layout documentation: When you use a layout, you do not need to pass a parent when constructing the child widgets. The layout will automatically reparent ...

This documentation will help anyone who is looking for all the Conrtraints on a column of a table. The query can be modified to find the table/columns based on the constraint name.

The QListView widget is part of the Model/View programming mechanisms of Qt. Basically, it allows to display items stored in a Model under the form of a list. In this topic we will not get deep into the Model/View mechanisms of Qt, but rather focus on the graphical aspect of one View widget: the QLi...

As you probably know if you came from OOP school, specializing an abstract class and use it is a practice you should keep in mind when writing your code. What if you could define an abstract function and specialize it in order to create different versions of it? Thinks it as a sort of function Inhe...

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