Tutorial by Topics

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...

Log4net is a fail-stop logging system. Fail stop means that it stops logging on an internal exception and by design does not interact with the program flow. Knowing this explains you troubleshooting log4net isn't so easy. If logging fails, your program does not notice. You see a lot of questions abo...

Suitescript 2.0 provides 4 methods to handle the search results. They have different syntax, limitations and governance, and are appropriate for different situations. We will focus here on how to access ALL search results, using each of these methods.

CSS allows to define that element contents wrap into multiple columns with gaps and rules between them. CSS Multi-column Layout Module Level 1 is, as of 12 April 2011, a W3C Candidate Recommendation. Since then, a few smaller changes were made. It is considered to be in the Stable stage. As o...

This section provides an overview of what rx-java2 is, and why a developer might want to use it. It should also mention any large subjects within rx-java2, and link out to the related topics. Since the Documentation for rx-java2 is new, you may need to create initial versions of those related t...

Swift server with Kitura Kitura is a web framework written in swift that is created for web services. It's very easy to set up for HTTP requests. For environment, it needs either OS X with XCode installed, or Linux running swift 3.0.

The MESSAGE statement may be used to interrupt program flow to display short messages to the user. Messages content may be defined in the program's code, in the program's text symbols, or in an independent message class defined in SE91. The maximum length of a message, including parameters pas...

This topic will demonstrate how to download files attached to a detail entity inside Acumatica ERP by using the Contract-Based API. The code snippet above was created using the Json.NET framework (Newtonsoft.Json.dll). To obtain HTTP cookie header from a SOAP response, add a reference to the ...

In all cmd.exe and DOS version, some characters are reserved for specific usage(e.g. command redirection). This topic will talk about how to use the special characters without issues.

This topic will focus on errors caused by the processor bugs. Here are the things we would focus on the cause and the solution of the issue. In the example DEL File Extension, user X. Liu notices that this bug will not occurs when the file extension in the DEL command is less than 3 characters...

This documentation provides a way to connect to hive using SOLR Data Import Handler and index the data in SOLR. This is an interesting documentation because I couldn't find it over internet. The handler basically handles more than 80 million records which means a strong infrastructure with good CPU...

REST APIs are interesting when data should be accessed from everywhere including different languages (server and client side). That requires separation from data and processing.

Manipulators are special helper functions that help controlling input and output streams using operator >> or operator <<. They all can be included by #include <iomanip>. Manipulators can be used in other way. For example: os.width(n); equals to os << std::setw(n)...

Using the serial ports on Windows can be a bit complex. This documentation section will, in time, explain all about the use of DCBs, CreateFile(), port events, and asynchronous serial communication.

A WSDL(Web Services Definition Language) document describes networking services by defining endpoints contained in a service in XML format. These endpoints are made up out of operations and messages, combined with the networking protocol used to access these endpoints The WSDL does not contain a...

Batch files allows only 32bit integer calculations , though this can be bypassed with different approaches.

This documentation explains how an external Image can be tested and compared with the output image of OpenCV. For example, To compare two blurred images and test if they both are same, we blur an original image in an external software (I used WiT Image Processing software) or just download any blurr...

How to publish your NgModule, written in TypeScript in npm registry. Setting up npm project, typescript compiler, rollup and continous integration build.

This script is designed to handle reporting devices (IoT), when a device is not previously authorized (in the devices table in the database), I add the new device to a new_devices table. I run an update query, and if affected_rows returns < 1, I insert. When I have a new device report, the first...