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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to Install Rundeck on a Debian 8 (Jessie) Server
Rundeck allows you to run commands/scripts on a remote computer. It is used to create a job by defining a single step or a workflow that can execute any set of commands, scripts, or tools on any number of local or remote nodes. Jobs can be triggered by the scheduler or on-demand via the web interface or API. This article explains about ‘How to install Rundesk on Debian 8 server’Rundeck is written in java programming language, so it requires you to install java in your machine. To install Java programming on Debian, use the following commands –$ sudo dpkg --add-architecture ...
Read MoreHow PMO Guides A Project To Success?
Managing a project starts from initiation phase to closure and finally delivering the expected value. However, the real tough job lies in the end part for where many projects leads fail across the organizations.There can be many factors why projects fail but few major ones are Scheduling, Costing, Scoping, Quality. It might be due to some other reasons like poor planning or inaccurate project estimation. Ultimately, the project may eventually fail to deliver the expected value to the end customer leaving a bitter relationship as well as damaging the company’s brand value.How about getting a helping hand while doing the ...
Read MoreConvert given time into words in C++
In this tutorial, we will be discussing a program to convert given time into words. For this we will be provided with a specific time in the digital format.Our task is to convert that particular time into wordsExample#include using namespace std; //printing time in words void convert_time(int h, int m){ char nums[][64] = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen", "twenty", "twenty one", ...
Read MoreHow to Install Noise Music Player on Ubuntu
Noise is a fast and beautiful GTK3 audio player with a focus on music and libraries. It handles external devices, CDs, and album art. Noise utilizes Granite for a consistent and slick UI. Elementary OS Team has created few PPAs on launchpad.net so that users can easily install and test some elementary applications(Noise Player) on Ubuntu desktop. This article explains you about how to install noise player on Ubuntu.FeaturesIt supports plugins.Automatic DB upgrading for newer versions.It supports last.fm authentication.It supports smart auto scroll for the current song.It supports horizontally scrolling fixed.It supports gapless playback.Improved start-up speed.Multi-library management. Podcasts now have ...
Read MoreHow to Install Java with Apt-Get on Ubuntu 16.04
Java programming language was originally developed by Sun Microsystems which was initiated by James Gosling and released in 1995 as core a component of Sun Microsystems’ Java platform (Java 1.0 [J2SE]).The latest release of the Java Standard Edition is Java SE 8. With the advancement of Java and its widespread popularity, multiple configurations were built to suit various types of platforms. Ex − J2EE for Enterprise Applications, J2ME for Mobile Applications.The new J2 versions was renamed as Java SE, Java EE and Java ME respectively. Java is guaranteed to be a Write Once, Run Anywhere.This article explains about ‘How to ...
Read MoreInsert NULL value into database field with char(2) as type in MySQL?
Let us first create a table −mysql> create table DemoTable658(FirstName varchar(100),value char(2)); Query OK, 0 rows affected (0.95 sec)Insert some records in the table using insert command −mysql> insert into DemoTable658(FirstName) values('John') ; Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable658(value,FirstName) values(default(value),'Sam'); Query OK, 1 row affected (0.23 sec)Display all records from the table using select statement −mysql> select *from DemoTable658;This will produce the following output −+-----------+-------+ | FirstName | value | +-----------+-------+ | John | NULL | | Sam | NULL | +-----------+-------+ 2 rows in set (0.00 sec)
Read MoreQuery non-empty values of a row first in ascending order and then display NULL values
For this, use ORDER BY ISNULL(). Let us first create a table −mysql> create table DemoTable669 ( StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY, StudentScore int ); Query OK, 0 rows affected (0.55 sec)Insert some records in the table using insert command −mysql> insert into DemoTable669(StudentScore) values(45) ; Query OK, 1 row affected (0.80 sec) mysql> insert into DemoTable669(StudentScore) values(null); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable669(StudentScore) values(89); Query OK, 1 row affected (0.10 sec) mysql> insert into DemoTable669(StudentScore) values(null); Query OK, 1 row affected (0.15 sec)Display all records from the table using select ...
Read MoreHelpful Insights to Control the Cost of Your Project
Managing a project is not everybody’s cup of tea. There are many aspects of the projects which we need to plan and manage perfectly to achieve the desired success, whether it is the scope, schedule, cost or quality. It is also seen that many times, the project runs into trouble only because the Project Manager fails to monitor and control the project cost.So it is important to manage the project cost throughout the project with proper planning and controlling the project budget. To manage the project cost effectively, there are certain activities which we need to perform initially.Planning the Cost: ...
Read MoreHow to Enable Or Add Swap Space on Ubuntu 16.04
In this article, we will learn how to enable or add the swap partition on Ubuntu 16.04, actually, the swap will increase the chance of responsiveness of the servers by guarding the out of memory errors for the applications, by default Ubuntu will not enable the swap space. We will learn how to add or enable the swap file for Ubuntu 16.04 servers.Swap is the location or the file which can handle the temporary data which is not required immediately by RAM but will be used to increase the amount of information that the server can handle for its working ...
Read MoreHow to Enable and Install Third Party Packages Using EPEL Repository on CentOS/RHEL
In this article we shall try to learn, how to add EPEL Repository for Linux. EPEL (Extra Package for Enterprise Linux) is an open source and free community based repository from the Fedora community team which provides high quality and good add-on software’s for Linux distributions. It has Red Hat Enter Linux, CentOS, Scientific Linux and most of the repositories which are maintained by the Fedora team only.Why we use EPEL Repositories for PackagesProvides a lot of open source packages which are installed using yum.EPEL repositories are open source and they are 100% free to use.There will not be any ...
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