Fortunately, stack exchange the parent company of stack overflow had just. Copying and pasting code from the internet is one of the biggest. Nissan app developer busted for copying code from stack overflow. What interesting statistics have you discovered from analysing the stack overflow datadump. Software engineering stack exchange is a question and answer site for professionals, academics, and students working within the systems development life cycle. Some use it for database software that specializes in big data, some use it for whole infrastructure that manipulates large data sets, some use it for large data sets. There is no course of action for dissatisfied stack overflow users closed discussion tags. Cross validated is a question and answer site for people interested in statistics, machine learning, data analysis, data mining, and data visualization. The tables arent necessarily identical in structure to stacks live schema its very highly similar, but not identical.
Some use it for database software that specializes in big data, some use it for whole infrastructure that manipulates large data sets, some use it for large data sets themselves structured, semistructured, and nonstructured. Stack overflow the worlds largest online community for developers. Like any important data architecture, you should design a model that takes a holistic look at how all the elements need to come together. Shrinivasaragav balasubramanian, shelley bhatnagar stack overflow dataset analysis slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Books to start with big data closed ask question asked 7. Provides a set of ansible playbooks to deploy a big data analytics stack on top of hadoopyarn. Big data is a buzz word, which means that it defines different albeit related things to different people. One year as a data scientist at stack overflow variance explained. Stack overflow social network analysis meta stack exchange. Stack overflow is a question and answer site for professional and enthusiast programmers. May 02, 2014 25 insightful and thoughtprovoking quotes about big data published on may 2, 2014 may 2, 2014 59 likes 18 comments. I will try to think of ways the stack overflow data may provide some insight into the user activities that are not.
Oct 03, 2015 gert the data dump isnt a direct backup of stack overflows production database. Stack overflow has been a big part of what i do for a long time. Gert the data dump isnt a direct backup of stack overflows production database. From 1987 to 2006, he was a professor at university of wisconsinmadison, where he wrote the widelyused text database management systems and led a wide range of research projects in database systems e. David robinson, a data scientist at stack overflow, chronicles his change. A brief intro to how the process works execute sql. The point is to list the most popular books that are talked about in the trenches.
Im connecting spark to cassandra and i was able to print the lines of my csv using. Hadoop streamer will push the lines in our stackoverflow data csv file one by one to our mapper. Many of those same graduate students are present today as teaching assistants. More and more data is being generated as medical records are digitized, more stores have loyalty cards to track consumer purchases, and people are wearing healthtracking devices. Big data is based on the feedback economy where the internet of things places sensors on more and more equipment. Estimate a small reduction for the lines perpage and the numberofpages values. Big data is nothing but an assortment of such huge and complex data that becomes very tedious to capture, store, process, retrieve and analyze.
Should be a short list since stack overflow is not the place for book recommendations. Also, does stack overflow use bare metal, vms, a cloud provider iaas or paas. Sampling from the raw log also provides a seamless way to use r for analysis without the headache of parsing lines and lines of a raw log. Average answerers age among the tags answered by more than users with age filled. Once you code up a few command line apps to push data and query it out you can start to build your. Jd hancock the data fabric is the next middlewaretodd papaioannou this is the time to be super aggressivechris lynch once the database is big. Id been an active answerer on stack overflow for about a year at the.
It was created to be a more open alternative to earlier question and answer sites such as. But the big story of big data is the disruption of enterprise status quo, especially vendordriven technology silos and. In the book r in a nutshell there is even a section on using r with hadoop for big data processing. It features questions and answers on a wide range of topics in computer programming.
Popular big data books meet your next favorite book. Minimum realistic word count of nonfiction book writing. In computer science, a stack is an abstract data type that serves as a collection of elements, with two principal operations. This big data technology stack deck covers the different layers of the big data world and summarizes the majo view the big data technology stack in a nutshell. Stack overflow dataset analysis linkedin slideshare.
The simplest way is to use the points to create the line. Analyzing stack overflow data directly with powerbi. It shows how an algorithm scales based on input size. The script for downloading the data can be found in setupdata. What a very bad day at work taught me about building stack. Programming languages, external dependencies, and etc. Is the r language suitable for big data data science stack. Then the neo4j graph database of stackoverflow was ready to be used.
Blog post announcing the datadump direct link to the. I analyzed every book ever mentioned on stack overflow. I use a microsoft sql server version of the public stack overflow data export for my blog posts and training classes because its way more interesting than a lot of sample data sets out there. This dataset was extracted from the stack overflow database at 20170406 16. These exercises are extended and enhanced from those given at previous amp camp big data bootcamps. What interesting stats can i obtain from the stack overflow. Database schema posts id int posttypeid tinyint acceptedanswerid int parentid int creationdate datetime deletiondate datetime score int viewcount. Estimate a small reduction for the linesperpage and the numberofpages values. If you store a json line by line for example, it can be read by almost any technology like pig, hive. This presentation is an overview of big data concepts and it tries to define a big data tech stack to meet your business needs. It is a privately held website, the flagship site of the stack exchange network, created in 2008 by jeff atwood and joel spolsky.
Datamation data center exploring the big data stack by guest author, posted september 3, 20 this free excerpt from big data for dummies the various elements that comprise a big data stack, including tools to capture, integrate and analyze. Data is ubiquitous and it doesnt pay much attention to borders, so weve calibrated our coverage to follow it wherever it goes. When we focus on highincome countries, the growth of python is even larger than it might appear from tools like stack overflow trends, or in other rankings. The torrent goes up to 7%, the incoming data does not verify correctly, and it keeps. Dec 21, 2015 this presentation is an overview of big data concepts and it tries to define a big data tech stack to meet your business needs. It features questions and answers on a wide range of topics in computer. I am data sets containing minimum of 300000 counts. Database administrators stack exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. How to download the stack overflow database brent ozar. The most mentioned books on stack overflow 644 points by vladwetzel on feb 8, 2017. Feb 20, 2016 this big data technology stack deck covers the different layers of the big data world and summarizes the majo view the big data technology stack in a nutshell. Analyzing stack overflow data directly with powerbi dzone. They were written by volunteer graduate students and postdocs in the uc berkelay amplab. There are some work arounds that need to be done because r does all its work in memory, so you are basically limited to the amount of ram you have available to you.
Introduction the uc berkeley big data amp camp, featuring. This includes 629741 nondeleted questions, and 43745 deleted ones. Addons, such as pig, spark, etc, are deployed using the playbooks in the addons directory. Also dbm files arent the best when the data becomes really large and you dont need random access. Addons, such as pig, spark, etc, are deployed using the playbooks in the addons directory stack. Draw lines from points in qgis geographic information. These are incredibly exciting times for snowflake, especially because we have so many passionate usersacross different roles like bi, data. The script for downloading the data can be found in setup data. Computing the sum of two bits using nand gatesperceptrons example in michael nielsens deep learning book. You can navigate around the exercises by looking in the page header or footer and clicking on the arrows or the dropdown button that shows the current page. Books to start with big data database administrators stack. Developing data science architecture internal r packages. Line by line files are easy to check using tools like head, can be more space efficient and are harder to corrupt.
Browse other questions tagged discussion stack overflow data dump statistics. Stack overflow seems like a perfect data set for something like that. They export the data to xml, and then we import it into sql server format. While stack overflow said it will discuss they why aspects of this conclusion later, many developers attribute the languages rise in popularity to its increasing use in data science. If you have multiple lines, then make sure your points data has a suitable id field to identify the lines they. Although this will take some time in the beginning, it will save many hours of development and lots of frustration during the subsequent implementations. He shares his best book and article recommendations, as well as his. If youre working in data science, you realistically need to use python, r or. Data science stack exchange is a question and answer site for data science professionals, machine learning specialists, and those interested in learning more about the field. The big data now anthology is relevant to anyone who creates, collects or relies upon data. A typical big data architecture, often called a tech stack, comprises five components, ordun said. I guess i could fetch smaller parts of the data at a time and then load into target.
Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Most controversial posts on the site stack exchange data. But the fact that a line of code copied from the internet somehow. You need to think about big data as a strategy, not a project good design principles are critical when. Questions may tend to be related to infrastructure, algorithms, statistics, and data structures.
If i were in your situation, i would not try to parse that whole file at once but instead work with a chunk at a time. For the general term, see stack overflow and stack overflow disambiguation. Just curious what is infrastructure behind stack overflow. Its not just a technical book or just a business guide. A revolution that will transform how we live, work, and think by viktor mayerschonberger, everybody lies. By signing up, you agree to our privacy notice and european users agree to the data transfer policy. I would use vroom to read in the data, and work with chunks of the data at a time starting with, say, 50k lines and then seeing how much you can scale up to do at once.
Apr 06, 2017 this dataset was extracted from the stack overflow database at 20170406 16. Its easy to learn, has just a few easytounderstand tables, and has realworld data distributions for. Basically, n10 and so on 2 gives us the scaling factor n 2 which is 10 2 on. I used hashmap to search data more efficiently so there is any other means to store a huge data and search efficient by used minimum memory. I launched, which allows you to explore all the data i. The most mentioned books on stack overflow hacker news. Install this plugin available via pluginsmanage and install plugins and follow the dialog to create a line from your points if you have multiple lines, then make sure your points data has a suitable id field to identify the lines they belong to. The exercises we cover today will have you working directly with the spark specific components of the amplabs opensource software stack, called the berkeley data analytics stack bdas. Notice that the number of items increases by a factor of 10, but the time increases by a factor of 10 2. It makes me sad when brilliant software engineers open up excel to make a line graph. Big data quotes 38 quotes meet your next favorite book. Stack overflow for teams is a private, secure spot for you and your coworkers to find and share information.
A big data natural experiment on stack exchange by benny. What every developer should learn early on stack overflow blog. One year as a data scientist at stack overflow dzone big data. Big data is a concept that deals with data sets of extreme volumes.
Copying and pasting from stack overflow by vinit nayak. The microsoft big data stack by raghu ramakrishnan, cto for. Learn more books to start learning big data closed. The oreilly book graph algorithms on apache spark and. How can i save a final model after training it on chunks of data. This reduction will be very small, like maybe 12 lines less per page, and 510 pages less for the book. How big data changes everything takes you on a journey of discovery into the emerging world of big data, from its relatively simple technology to the ways it differs from cloud computing. Tagoverflow correlating tags in stackoverflow towards data. R, though it can be run only by stack overflow employees with database access.
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