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HowTos & Experiments
MergeSort Example using Python Multiprocessing | Tales of the DevOps
https://devopslog.wordpress.com/2012/04/15/mergesort-example-using-python-multiprocessing
Tales of the DevOps. MergeSort Example using Python Multiprocessing. Sorting algorithms are everywhere. In filesystems, databases, in the sort methods of the Javascript and Ruby Array object or the Python list object. There are many algoriths but I believe some of the most known methods of sorting are:. Bubble sort ( O(n. Selection sort ( O(n. Merge sort ( O(nlogn). We start by writing the divider function:. Let us take it a little step-by-step:. If length a = 1: return a. Find the middle of the list ( m.
Exporting MySQL query results using the CSV engine | Tales of the DevOps
https://devopslog.wordpress.com/2012/11/05/exporting-mysql-query-results-using-the-csv-engine
Tales of the DevOps. Exporting MySQL query results using the CSV engine. MySQL supports a quite large number of different storage engines. Each has different characteristics (transactional or non-transactional, foreign key support etc) and table file format. Some of them show very special behaviour and I believe that are worth noting because they can enable a DBA to easily perform various tasks:. Mysql:/ user name[:password]@host name[:port num]/db name/tbl name. Let’s say because we are implementi...
Tales of the DevOps | HowTos & Experiments | Page 2
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Tales of the DevOps. Newton-Raphson method using Python SymPy. Newton-Raphson is a very popular method for the numerical calculation of an equation’s root. Its’ basic concepts for formulation originate from the Taylor theorem. And of course the fact that function value becomes zero at the root point. You can read more about the method in the Wikipedia entry. In various distributions you can install the package directly with the help of the corresponding package manager. For example in Ubuntu:. Enter your...
Newton-Raphson method using Python SymPy | Tales of the DevOps
https://devopslog.wordpress.com/2012/12/23/newton-raphson-method-using-python-sympy
Tales of the DevOps. Newton-Raphson method using Python SymPy. Newton-Raphson is a very popular method for the numerical calculation of an equation’s root. Its’ basic concepts for formulation originate from the Taylor theorem. And of course the fact that function value becomes zero at the root point. You can read more about the method in the Wikipedia entry. In various distributions you can install the package directly with the help of the corresponding package manager. For example in Ubuntu:. You are co...
Disassembling/Reassembling the MongoDB ObjectId | Tales of the DevOps
https://devopslog.wordpress.com/2012/04/22/disassemblingreassembling-mongodb-objectids
Tales of the DevOps. Disassembling/Reassembling the MongoDB ObjectId. Automatically adds an id. Field for every inserted document (if one is not provided by the user), the value of which must be unique and can be of any type, but most commonly is of ObjectId. MongoDB docs are very detailed and the ObjectId specification. Helps us break down the ObjectId automatically generated value into distinctive parts. These parts are (consecutively):. 8594; Generation timestamp (4 bytes). We start by importing the o...
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DevOps:Leicester DevOps in Leicester
Next Meetup: 25th June. June 20, 2014. 5 days until the next meetup (Wednesday 25th, 6pm, at the exchange bar). The main topic is going to be burnout. I’m just going to leave these here as it may come in useful later:. Http:/ www.itburnout.org/. June 11, 2014. Next Meetup: 25th June. June 2, 2014. The next meetup will be on Wednesday the 25th of June at 6pm until whenever people feel like drifting off, again at the Exchange bar ( see previous post for map. Although this time in the snug. May 9, 2014.
DevOps Library
Join our mailing list:. Hello, Welcome to the DevOps Library! What would you like to learn today? In a nutshell, Jenkins is the leading open source automation server. Built with Java, it provides hundreds of plugins to support building, testing, deploying and automation for virtually any project. Welcome to our Jenkins Certification course! CCJPE: Setting up a Jenkins Master. In this short lesson, we’re going to set up a Jenkins master from scratch. CCJPE: Source Control Management. CCJPE: Plugins Part I.
DevOpsLinks - Free newsletter for DevOps and SysAdmins
DevOpsLinks is an independent newsletter. We are not affiliated to any product, website or registered mark. We don't like spam and we will not spam your inbox. We respect privacy, and we won't share any email address. You can contribute to our growing community by using the contact form. Free newsletter For DevOps. Featuring curated content, tools, jobs, must read articles and other stuff. / - - - - - - - - - - - - - - - - - - - - (oo) ) / - - w. Subscribe to our mailing list. You can easily unsubscribe.
DevOps Live - Bringing Software Developers and IT Operations Professionals Together
We shatter walls that divide Developers and IT Operations. January 12, 2016. Doors open at 6:00 PM CST. MONTHLY MEETUPS ARE FREE. Why attend the DevOps Live Meetups? Our meetings focus on the implementation of DevOps best-practices in a variety of organizations. From startups to Fortune 500 companies, you need to come and learn how to delivery innovations to your customers faster. We'll see you soon! Where is DevOps Heading?
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Tales of the DevOps | HowTos & Experiments
Tales of the DevOps. Using GROUP CONCAT Lists Directly In SQL. What is the GROUP CONCAT function? Ever wondered how to retrieve the values within a group when you perform a GROUP BY operation on your data? GROUP CONCAT([DISTINCT] expr [,expr .] [ORDER BY {unsigned integer col name expr} [ASC DESC] [,col name .] [SEPARATOR str val]). The length of the generated list length is controlled by a variable group concat max len. The good news are that it can also be defined as a SESSION variable dynamically.
Tickets to "DevOps with Docker that smells good and feels good" 11 June 2016 (Ukraine, Kiev)
DevOps with Docker that smells good and feels good. Events like this one. You are viewing an event which has already passed. Perhaps, the following upcoming events wil be useful to you. Please select the number of tickets you want to order. Please select the number of tickets you want to order. Tickets for "DevOps with Docker that smells good and feels good" (06/11/2016 – 06/11/2016). Ticket sales have ended on 11 June 2016 13:00. Building and linking containers. Pipeline as Code for Continuous Delivery.
DevOps Magazine and Continuous Delivery Magazine: Made for a Cloud World
Eric Wagner
The Digital Portfolio of Eric Wagner. Architected, deployed, and managed online video platform scaled to millions of concurrent viewers. Central to the success of a 1.5 million core distributed AI/genetic algorithm training system. Developed Apple Dynamic HTTP Streaming server used to stream live video of top Premiere Radio personalities to tens of thousands of iPad and iPhone viewers every day. Directly managed teams with up to 12 people. Back-end infrastructure design used by HomeAway to host VOD video...
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DevOps Manc
A group bringing developers, sysadmins and all other engineers and collaborators together to discuss experiences, technologies, ideas and learnings. DevOps Manchester @ IP Expo - 20th May. We’ve had a few months off but we’re back with details of the next event. IP Expo are in Manchester on the 20th–21st May, and we’ve been invited to run a meetup as part of the event as part of their networking events. You’ll need to register free as an IP Expo delegate. So we can stay in touch. Wednesday 20th May 2015.