ProgrammingKnowledge

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Videos by: ProgrammingKnowledge

Redis Tutorial for Beginners 11 – Redis Publish Subscribe

2 months ago
SUBSCRIBE, UNSUBSCRIBE and PUBLISH implement the Publish/Subscribe messaging paradigm where senders (publishers) are not programmed to send their messages to specific receivers (subscribers). PSUBSCRIBE pattern [pattern …] Listen for messages published to channels matching the given patterns PUBSUB subcommand [argument [argument …]] Inspect the state of the Pub/Sub subsystem PUBLISH channel message Post a message […]

What Is JSON ?

2 months ago
“JSON” stands for “JavaScript Object Notation” Despite the name, JSON is a (mostly) language-independent way of specifying objects as name-value pairs. Json Commonly used in Web as a vehicle to describe data being sent between systems. JSON or JavaScript Object Notation is a lightweight text-based open standard designed for human-readable data interchange. ————————-Follow——————- My Website […]

How to Install Eclipse Oxygen on Ubuntu 16.04

2 months ago
In this video I am going to show you How to Install The Latest Eclipse in Ubuntu 16.04. Download Website www.eclipse.org Java Install command sudo apt-get install openjdk-8-jdk What’s Eclipse? – Eclipse is An IDE is an Integrated Development Environment – It is a free software / open source platform-independent software framework for delivering what […]

Redis Tutorial for Beginners 10 – Redis Sorted Sets

2 months ago
ZREVRANGEBYLEX key max min [LIMIT offset count] Return a range of members in a sorted set, by lexicographical range, ordered from higher to lower strings. ZRANGEBYSCORE key min max [WITHSCORES] [LIMIT offset count] Return a range of members in a sorted set, by score ZRANK key member Determine the index of a member in a […]

Node.js Tutorials | Node.js Crash Course

2 months ago
For more detailed Tutorials visit – www.codebind.com/ Node.js(nodejs) is an Event-driven I/O server-side JavaScript environment based on V8. Node.js is one of the most growing scripting language in recent time, there is a lot of demand and also loads of Developers and programmers are looking forward to Learn Node.js. This course makes it possible for […]

How To Install MySQL on Mac OS X

3 months ago
In this post we will learn how to How To Install MySQL on Mac OS X. The same procedure can be used for installing MySQL on Mac OS X. How to add MySQL to $PATH variable: cd to your home folder $ open -t .bash_profile Try adding the following line to your .bash_profile file. export […]

How to Install OpenCV in Ubuntu 16.04 LTS for C / C++

3 months ago
List of all commands – www.codebind.com/cpp-tutorial/install-opencv-ubuntu-cpp/ In this post we will see How to Install OpenCV in Ubuntu for C/C++. OpenCV is an image processing library created by Intel and later supported by Willow Garage and now maintained by Itseez. OpenCV means Intel® Open Source Computer Vision Library. It is a collection of C functions […]

Redis Tutorial for Beginners 9 – Redis Sets

3 months ago
SADD key member [member …] Add one or more members to a set SCARD key Get the number of members in a set SDIFF key [key …] Subtract multiple sets SDIFFSTORE destination key [key …] Subtract multiple sets and store the resulting set in a key SINTER key [key …] Intersect multiple sets SINTERSTORE destination […]

How to Install Apache Tomcat on Mac OS X

3 months ago
Tomcat is a Servlet container (Web server that interacts with Servlets) developed under the Jakarta Project of Apache Software Foundation. Tomcat implements the Servlet and the Java Server Pages (JSP) specifications of Sun Microsystems Tomcat is an open-source, non commercial project Licensed under the Apache Software License Tomcat is written in Java (OS independent) Download […]

Redis Tutorial for Beginners 8 – Redis Lists

3 months ago
BLPOP key [key …] timeout Remove and get the first element in a list, or block until one is available BRPOP key [key …] timeout Remove and get the last element in a list, or block until one is available BRPOPLPUSH source destination timeout Pop a value from a list, push it to another list […]

Shell Scripting Tutorial

3 months ago
For more detailed Tutorial visit – goo.gl/bbvi0C A shell script is a computer program designed to be run by the Unix shell, a command-line interpreter. The various dialects of shell scripts are considered to be scripting languages. A shell usually interprets a single line of input, but we can also create a file containing a […]

Redis Tutorial for Beginners 7 – Redis Hashes

3 months ago
Redis Hashes are maps between string fields and string values, so they are the perfect data type to represent objects . HDEL key field [field …] Delete one or more hash fields HEXISTS key field Determine if a hash field exists HGET key field Get the value of a hash field HGETALL key Get all […]