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Dots mania (Game tutorial)

Wed, 16 Aug 2017 12:01:00 GMT

Simple game tutorial. Play in dots with your family and friend.



Verification of complex objects in automated tests

Wed, 16 Aug 2017 11:09:00 GMT

Sometimes in automation tests we need to validate work of methods, returning very complex objects as a result. We want to be sure, that these objects have correct structure. Common assertion libraries allow us to check our expectation about simple objects (strings, numbers), and collections of objec



Hadoop - Read multi-ine record of variable number of lines

Wed, 16 Aug 2017 11:09:00 GMT

Say we have a input files as in below figure, where each numeric key is followed by any number of lines of values.  In this case as our record length is not fixed we cannot rely on NLineInputFormat as in our previous blog.  To solve this problem we need to identify our record boundary which in our c



Hadoop - InputSplit and RecordReader explained

Wed, 16 Aug 2017 11:09:00 GMT

If you have been reading about hadoop and hadoop programming, you would have heard about InputSplits and RecordReaders.  In this blog I will try to explain these and how we can manage our reads across splits.Input file used for this blog is below. Its size is 47 bytes. Why it is important to know th



Hadoop Install and Configuration - Ubuntu 16.04

Wed, 16 Aug 2017 10:37:00 GMT

Installing Hadoop All commands below are run on your system user account having "sudo" access. Install Java and SSHsudo apt- get updatesudo apt- get install default- jdkupdate- alternatives -- config javasudo apt- get install ssh Add users for hdfs and yarn sudo addgroup hadoop sudo adduser --ingr



Installing and Configuring Pig - Ubuntu 16.04

Wed, 16 Aug 2017 10:21:00 GMT

Once you are done installing hadoop, getting Pig up and running is quite straight forward.Download Pig  from https://pig.apache.org/releases.html. Move to directory where your download is and extract as below. You can move to any directory you want but make sure that is the path you set in next step



Hadoop Programing with Maven and Netbeans

Wed, 16 Aug 2017 10:20:00 GMT

Install Pre-requisites Install hadoop 2.7.3  as detailed in this blog Install Netbeans 8.2, download and install instructions are on netbeans download page - https://netbeans.org/downloads/ Install maven sudo apt-get install maven This post shows how to use netbeans IDE to write hadoop java p



The Concave Hull of a Set of Points

Wed, 16 Aug 2017 10:03:00 GMT

A C++ implementation of a published algorithm for computing the concave hull using a k-nearest neighbour approach.



Working with JSON in C# & VB

Wed, 16 Aug 2017 09:59:00 GMT

Working with simple JSON objects & collections to Custom Converters and Transformations into .Net classes.



Using MongoDB .NET Driver with .NET Core WebAPI

Wed, 16 Aug 2017 09:18:00 GMT

How to build step by step an ASP.NET Core WebAPI with latest MongoDB driver. The project supports all requests to MongoDB asynchronously.



Paging in MongoDB – How to actually avoid poor performance ?

Wed, 16 Aug 2017 09:00:00 GMT

Few insights on how to better paginate results in MongoDB, and to achieve excellent performance



Simple trend calculation

Tue, 15 Aug 2017 20:36:00 GMT

Simple linear trend calculation with different types for X values implemented in C#, VB, and F#



WinForms | WPF: Using SQLite DataBase

Tue, 15 Aug 2017 18:30:00 GMT

C# . . . Create | Open DB . . . Get Tables Schema From DB . . . Create | Read | Modify Tables, Rows, Cells . . . Text | Int | Image . . . Programmatically Add | Edit | Delete Rows . . .



Dependency Injection in ASP.NET Web API using Autofac via Attributes and Reflection

Tue, 15 Aug 2017 15:05:00 GMT

Resolving Dependencies via Attributes and Reflection



How to monitor a windows service using Zabbix

Tue, 15 Aug 2017 15:02:00 GMT

Adding monitoring and triggering alerts in Zabbix for a windows service.



Limiting Generations in Windows 10 FileHistory/Backup

Tue, 15 Aug 2017 15:01:00 GMT

Prevent bloat in the new Windows backup mechanism