Tutorial by Topics: d

Shows how a sqoop script could be used to import data from various datastores/databases.

db.collection.createIndex({ <string field> : <1|-1 order> [, <string field> : <1|-1 order>] }); Performance Impact: Note that indexes improve read performances, but can have bad impact on write performance, as inserting a document requires updating all indexes. ...

An API that allows you to control every aspect of Docker from within your own applications, build tools to manage and monitor applications running on Docker, and even use it to build apps on Docker itself.

bind -P show all configured shortcuts.

ParameterDetailsvalueThe value produced by the binding source.valuesThe values array, produced by the binding source.targetTypeThe type of the binding target property.parameterThe converter parameter to use.cultureThe culture to use in the converter. What IValueConverter and IMultiValueConvertert...

Pygame is a Python wrapper for SDL – a cross-platform C library for controlling multimedia –, written by Pete Shinners. This means, using pygame, you can write video games or other multimedia applications in Python that will run unaltered on any of SDL’s supported platforms (Windows, Unix, Mac, be...

Bioinformatics is an interdisciplinary field that develops methods and software tools for understanding biological data. Topics within bioinformatics include: Sequence analysis Phylogenetics Molecular modeling Analysis of gene and protein expression

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...

Jobs were introduced in PowerShell 2.0 and helped to solve a problem inherent in the command-line tools. In a nutshell, if you start a long running task, your prompt is unavailable until the task finishes. As an example of a long running task, think of this simple PowerShell command: Get-ChildItem ...

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 ...