Tutorial by Topics: d

When using async callback we need to consider scope. Especially if inside a loop. This simple article shows what not to do and a simple working example.

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

Ajax uses the HTTP Protocol and can send requests using POST/GET methods from Client to Server. WebSocket is itself a protocol to communicate between Client and Server, distinct from HTTP. In Ajax when you send a request , server sends response for that request and connection ends. Using WebSocke...

This is section where you can find the details about the fields that is being used in Odoo 8 ParametersDescriptionstring="Name"Optional label of the fieldcompute="_compute_name_custom"Transform the fields into computed fieldsstore=TrueIf computed it will store the resultselect=T...

This is a description how you can create configuration for you own bundle in the /app/config/config.{yml,xml}

You can use Pentaho Data Integration (Kettle) to Transfer Data from One Database to another. Its very easy as the transformation is automatically created just by creating the connection.and it can transfer Lacs of records very quickly.

Sometimes is more usefull make a call to a model's method in our view, so this is a way to make it

Cleaning data in R is paramount to make any analysis. whatever data you have, be it from measurements taken in the field or scraped from the web it is most probable that you will have to reshape it, transform it or filter it to make it suitable for your analysis. In this documentation, we will cove...

Manipulating directories from the command line

If you commit sensitive data, such as a password or SSH key into a Git repository, you can remove it from the history. To entirely remove unwanted files from a repository's history you can use either the git filter-branch command or the BFG Repo-Cleaner. Tell your collaborators to rebase, ...

Garbage Collection (GC) is a way of automatically reclaiming memory that is occupied by objects that are no longer needed by a program. This is in contrast with manual memory management where the programmer explicitly specifies which objects should be deallocated and returned to memory. Good GC-s...

This example shows how to create a ViewModel and a View within the MVVM pattern and WPF, and how to bind the two together, so that each is updated whenever the other is changed.

A column is NULL when it has no value, regardless of the data type of that column. A column should never be compared to NULL using this syntax a = NULL as the result would be UNKNOWN. Instead use a IS NULL or a IS NOT NULL conditions. NULL is not equal to NULL. To compare two expressions where null...

C++/CLI is a Microsoft-specific dialect of C++ which interoperates well with .NET. Originally, it was envisioned as the "most powerful" of .NET languages and included designer support for WinForms applications. However, new development on C++/CLI has all but ceased, and Microsoft now ...

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

As the name implies, vector drawables are based on vector graphics. Vector graphics are a way of describing graphical elements using geometric shapes. This lets you create a drawable based on an XML vector graphic. Now there is no need to design different size image for mdpi, hdpi, xhdpi and etc. W...