Tutorial by Topics: pl

The most trivial data-structure, after a singular value, is the tuple. (A, B, C) // a three-tuple (a tuple with three elements), whose first element has type A, second type B, and third type C (A, B) // a two-tuple, whose two elements have type A and B respectively (A,) // a one-tuple (note the ...

When WPF application launched, it could take a while for a current language runtime (CLR) to initialize .NET Framework. As a result, first application window can appear some time after application was launched, depending of application complexity. Splash screen in WPF allows application to show eit...

Important thing to remember when debugging cordova apps, if you have an OnDeviceReady event and code that executes there, by the time the app launches, your debugger will still not be attached(unlike say Visual Studio C# debugging where application waits for the debug process to attach before cont...

Usually each container should hosts one process. In case you need multiple processes in one container (e.g. an SSH server to login to your running container instance) you could get the idea to write you own shell script that starts those processes. In that case you had to take care about the SIGNA...

The official vignette, "Efficient reshaping using data.tables", is the best introduction to this topic. Many reshaping tasks require moving between long and wide formats: Wide data is data with each column representing a seperate variable, and rows representing seperate observations ...

A normal function is never related to a function template, despite same name, same type. A normal function call and a generated function template call are different even if they share the same name, same return type and same argument list

dplyr is an iteration of plyr that provides a flexible "verb" based functions to manipulate data in R. The latest version of dplyr can be downloaded from CRAN using install.package("dplyr") The key object in dplyr is a tbl, a representation of a tabular data structure. Curren...

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

The filename AssemblyInfo.cs is used by convention as the source file where developers place metadata attributes that describe the entire assembly they are building.

For those not familiar, a Replica Set is defined as a redundant configuration of three servers. A Sharded Database is defined as a horizintally scalled database, where each Shard is defined as a Replica Set. Therefore, a sharded Mongo cluster involves a minimum of 11 servers for a 2 shard cluster...