Previously we talked about MyISAM and Innodb, that has importance in this context. mysqlcheck is a command line utility to check, repair, optimize MySQL Tables. mysqlcheck offers an efficient way to perform maintenance of the database tables. mysqlcheck checks, repairs, optimizes MySQL tables within the database. mysqlcheck intended to be used when the mysqld server is running. mysqlcheck executes … [Read more...]
eBay India Acquired By Flipkart : Complicated Deal
Flipkart was clean company once, at least when they started business. eBay India acquired by Flipkart shown power of India's skilled brain. But NSA spyware famous Microsoft is investor and worser Amazon is rival. The question arises because Government Of India directly fired Flipkart once. There can not be any confusion that the Governments of whole earth has been converted to spyware companies. … [Read more...]
Backdrop In Bird Photography : Camera Trick That Works!
Camera can't take photograph. Camera is not designed not to become intelligent artist. The person behind camera arranges the scene which includes backdrop in bird photography to compose an artwork. Common peoples often refer many setup as "camera trick". Backdrop In Bird Photography In real life, except few situations like street photography, landscape it is almost mandatory … [Read more...]
Securing Jumper Wire Connections : Prototyping Daugterboard
There are many ways which we can use to secure the electrical wiring between a development board, basic electronic components and various modules, sensors to prevent loose connection, short circuit or wrong interpretation. Securing jumper wire connections is an important part of breadboard wiring. Prototyping daugterboard (prototyping shield) can help you securing the connections. In previous … [Read more...]
Jumper Wire & Solid Wire For Breadboard Wiring
Previously we discussed about breadboard, breadboard power supply, breadboard style prototyping boards, wire wrapping. In this article we will briefly discussed the commonly use gauge, types, numbers of jumper wire & solid wire for breadboard wiring. They are needed for hobby to serious electronics works. This will complete a part on basic matters around electronics works. Children also can … [Read more...]
Install Apache Zeppelin On Ubuntu 16.04
Apache Zeppelin is a web-based notebook for interactive data analytics. We already described how to install Apache Spark. If you have followed our any guide on big data tools installation, it is few minutes work to install and use Zeppelin. Zeppelin can be pre-built package or can be build from source. Here is how to install apache zeppelin on ubuntu 16.04 building from source. What … [Read more...]
Most Common Uses Of Cloud Computing : Examples
It is an old matter that Cloud Computing is not a technology but usage of virtualisation as enabling technology mainly for cost reduction. We have too many articles around basic things related to cloud computing. Many yet do not understand basic matters around cloud computing. Here is an article on most common uses of cloud computing with examples. Since 2016 many age-old practices around cloud … [Read more...]
WordPress Plugin To Analyze Post Emotion With AI (IBM Watson)
IBM Watson is the part of IBM's known supercomputer Deep Blue. We talked about usage of Artificial Intelligence, Machine Learning in many complicated setups. Here is a WordPress Plugin to analyze post emotion with ai powered by IBM Watson. This is a good example of usage of Artificial Intelligence. Many free WordPress plugins never become known but sometimes offer quite astonishing or useful … [Read more...]
Join/Merge Multiple Log Files For Big Data Analysis
Normally log automatically should grow as big possible. But we use logrotate which does the opposite action as running cat and other tools on SSH over big files consumes memory, time and often difficult to do what we want. Also, old files are compressed. Here are the ways to join/merge multiple log files for big data analysis, store them to openstack based cloud storage and delete old … [Read more...]
Fix Write Failed Broken Pipe (packet_write_wait: Connection to port 22: Broken pipe)
There are hundreds of questions and answers on various websites on Broken Pipe issue. The problem is essentially closed connection when a SSH session is not kept active by typing or running command. None of those websites can explain or give a universal easy fix. Readers report us of packet_write_wait: Connection to port 22: Broken pipe. Here is how to fix write failed broken pipe on mac, … [Read more...]
Nokia 5110 Arduino Wiring, Technical Details : Basic Arduino LCD
Previously we talked about choosing displays for Arduino. At that time we had no idea that Nokia 5110 Arduino modules are made out of used Nokia 5110 like thrown away phones. After knowing the background story, we really can not suggest this thing to buy. Buying a color LCD, TFT display for Arduino is correct option. Raspberry like single board computers supports high resolution displays and we … [Read more...]