Tutorial by Topics: creation

CREATE TABLE table_name ( column_name1 data_type(size), column_name2 data_type(size), column_name3 data_type(size), .... ); // Basic table creation CREATE TABLE table_name [IF NOT EXISTS] ( column_name1 data_type(size), column_name2 data_type(size), column_name3 data_type(size), ...
Design patterns are a good way to keep your code readable and DRY. DRY stands for don't repeat yourself. Below you could find more examples about the most important design patterns. In software engineering, a software design pattern is a general reusable solution to a commonly occurring proble...
Design patterns are general solutions to problems that frequently occur in software development. The following are templates of standardized best practices in structuring and designing code, as well as examples of common contexts in which these design patterns would be appropriate. Creational desig...
In the original design for iText, it was possible to create a high-level Document object, and then have different DocListener objects listening to that Document object. This was achieved by using different writers: a PdfWriter, an HTMLWriter, and an RtfWriter. When using a PdfWriter, a PdfDocument...
The creational patterns aim to separate a system from how its objects are created, composed, and represented. They increase the system's flexibility in terms of the what, who, how, and when of object creation. Creational patterns encapsulate the knowledge about which classes a system uses, but the...
WordPress plugins should have a focus on the server logic and/or admin parts of your website application. Good plugins are like good apps, they do one thing really well. They are intended to enhance and automate parts of the CMS in a modular way, since you can activate and deactivate them. Good plug...
Includes pymongo query examples to filter documents by timestamp encapsulated in ObjectId
This topic discusses how to create and use kernel threads.
If we have a Hive meta-store associated with our HDFS cluster, Sqoop can import the data into Hive by generating and executing a CREATE TABLE statement to define the data’s layout in Hive. Importing data into Hive is as simple as adding the --hive-import option to your Sqoop command line. Impo...

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