Tutorial by Topics: le

A data.table is an enhanced version of the data.frame class from base R. As such, its class() attribute is the vector "data.table" "data.frame" and functions that work on a data.frame will also work with a data.table. There are many ways to create, load or coerce to a data.tabl...

public static GameObject Find(string name); public static GameObject FindGameObjectWithTag(string tag); public static GameObject[] FindGameObjectsWithTag(string tag); public static Object FindObjectOfType(Type type); public static Object[] FindObjectsOfType(Type type); Which method to...

There are many excellent reference and example sources on the Web. Some examples and explanations are created here as a collection point for quick answers. More detailed illustrations may be linked to external content (instead of copying existing original material).

To run any of these examples just call them like that: static void Main() { new Program().ProcessDataAsync(); Console.ReadLine(); }

The ^M character stands for a carriage return in Vim (<c-m> or just <CR>). Vim displays this character when at least on line in the file uses LF line endings. In other words, when Vim consider a file to have fileformat=unix but some lines do have carriage returns (CR), the carriage r...

Apache Flex is an open source application framework curated by the Apache Foundation. It provides an environment where you can build SWF applications that can then executed on any Flash runtime or compiled with Adobe Air to execute natively on mobile environments (Android, iOS, BlackBerry) and des...

Parallel collections facilitate parallel programming by hiding low-level parallelization details. This makes taking advantage of multi-core architectures easy. Examples of parallel collections include ParArray, ParVector, mutable.ParHashMap, immutable.ParHashMap, and ParRange. A full list can be f...

There is no inherent answer in C# to this - so called - need. Nonetheless there are workarounds to satisfy this need. The reason I qualify the need as "so called" is that we only need methods with 2 or more than 2 values to return when we violate good programming principals. Especially ...

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 ...

Partitioning is a functionality to split tables and indexes into smaller pieces. It is used to improve performance and to manage the smaller pieces individually. The partition key is a column or a set of columns that defines in which partition each row is going to be stored. Partitioning Overview ...

Modules exist to be extended. You cannot change the app/code/ files without prohibiting any future updates. Instead we add a module to the app/code/local directory (the local directory may be missing, if so, it needs to be manually created. This is common in later versions of Magento) for added cu...

MSSQL Syntax: DROP DATABASE [ IF EXISTS ] { database_name | database_snapshot_name } [ ,...n ] [;] MySQL Syntax: DROP {DATABASE | SCHEMA} [IF EXISTS] db_name DROP DATABASE is used for dropping a database from SQL. Be sure to create a backup of your database before dropping it to prevent ...

This topic aims to show the basic web driver program in selenium supported languages like C#, Groovy, Java, Perl, PHP, Python and Ruby. Journey includes opening browser driver --> Google Page --> shutdown the browser

ByChained(params By[] bys) Items are found in Selenium through the use of locators and the By class. In order to make a robust automation project with Selenium, one should use locators for Web Elements smartly. The locators should be descriptive, unique, and unlikely to change so you won't...