Getting Started with Coding
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NN/LM SEA Webinar given on Feb. 18, 2015. Webinar recording at https://webmeeting.nih.gov/p10ie23n7q1/ & Webinar details at: http://nnlm.gov/sea/newsletter/2015/01/beyond-the-sea-webinar-february-18-2015-get-started-with-coding/
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Getting Started with Coding
- 1. Bohyun Kim (@bohyunkim) Associate Director, LibraryApplications and Knowledge Systems University of Maryland, Baltimore HS/HSL http://bohyunkim.net/blog Slides: http://www.slideshare.net/bohyunkim/getting-started-with-coding NN/LM SEA Webinar | Feb. 18, 2015 | #seacode
- 2. LearningHow toCode isPopular Now! http://www.codecademy.com/
- 12. DiverseGroupsofPeopleLearningHowto Code • Kids • Journalists • Real-estate investors • Academics in digital humanities (literature, history, classical studies/philology) • Scientists • Politicians • Librarians
- 16. http://dp.la/info/2014/10/07/dpla-community-reps-produce-hackathon-planning-guide-now-available/
- 21. 4ThemesforToday 1) Why learn how to code? 2) What does coding, scripting, programming exactly mean? 3) What is it like to teach oneself how to code? 4) Tips and resources
- 22. (1)WhyLearnHow toCode? • Dress up or dynamic webpages • Website redesign • LibGuide customization • How to use CMS • Mobile-friendly/responsive library website • Customize/Add features to library systems • Example:GVSU Library Lab (https://gvsulib.github.io/) • Data processing in batch; automation
- 23. WhatYouCan Do withCoding • Write plug-ins • LibX, Zotero, etc. • Full-blown programs • http://showoffyourapps.challengepost.com/ • http://librarylab.law.harvard.edu/projects.html • http://www.nypl.org/collections/labs • http://code.library.arizona.edu/gots/ • Relevance to librarianship • Understand better the information systems and everyday software • Improve communication and collaboration with IT
- 28. It’sCalleda Languagefora Reason • Syntax: It has its own quirks. • Core concepts: • Variable • Constant • Array • Loop • Function • Object • Class • A programming language CANNOT be learned in a day or a month. • Practice: It takes a lot of time to master. • Very cool to see mastery in action.
- 29. Funky andforeign-looking • var a = ["do", "re", "mi", "fa"]; var len = a.length; for (var i = 0; i < len; i++) { console.log(a[i]);} • $a = array("do", "re", "mi", "fa"); for ($i=0; $i<count($a); $i++){ echo $a[$i]."<br/>";} • $a = array("do", "re", "mi", "fa"); foreach ($a as $i=>$note){ echo $note."<br/>";} • a = ['do', 're', 'mi', 'fa'] for i in a: print i • JavaScript • PHP • PHP • Python
- 30. Techinical≠Programming • XML • Bootstrap • PHP • API • R • HTML5 • JavaScript • Python • ColdFusion • Node • MashUp • RoR • CSS • .NET • Regex • XPATH • JavaScript • Drupal • VB • Django • XSLT • RDF • Ruby • SPARQL • CakePHP • MySQL • Apache
- 31. (2)WhatIs Programming? • What do you and others mean when they say “coding,” “scripting,” or “programming”? • Programming is NOT knowing how to use a CMS (Wordpress, Drupal) or a certain computer software like Dreamweaver (except IDEs). • Programming is NOT the same as editing HTML, CSS, XML. (http://www.cs.tut.fi/~jkorpela/prog.html ) • Programming is knowing and writing the logic for a computer to execute in a programming language that a computer understands. • N.B. Markup language vs. Programming language
- 33. Markup Language
- 34. • JavaScript • PHP • PHP • Python Programming Language • var a = ["do", "re", "mi", "fa"]; var len = a.length; for (var i = 0; i < len; i++) { console.log(a[i]);} • $a = array("do", "re", "mi", "fa"); for ($i=0; $i<count($a); $i++){ echo $a[$i]."<br/>";} • $a = array("do", "re", "mi", "fa"); foreach ($a as $i=>$note){ echo $note."<br/>";} • a = ['do', 're', 'mi', 'fa'] for i in a: print i
- 36. IsCoding Programming? • The distinction between these two can be murky. • Usually the term, ‘coding,’ is used to include the knowledge of a programming knowledge beyond that of a markup language. • http://blogs.jbllanda.com/markup-language-versus-programming- language/ • Here, I will use both terms – coding & programming – interchangeably. • See the difference between scripting. vs. programming: • https://en.wikipedia.org/wiki/Scripting_language • http://stackoverflow.com/questions/17253545/scripting-language-vs- programming-language
- 42. “Building a Faculty Publications Database” at LITA Forum 2014 http://www.slideshare.net/bohyunkim/building-a-faculty-publications-database
- 46. example1._florida.html “Quick & Easy DataVisualization with GoogleVisualization API + Google Chart Libraries” – Code4Lib 2014 Conference, http://www.slideshare.net/bohyunkim/quick-easy-data-visualization-with-google-visualization-api-google-chart-libraries
- 48. Multiplecharts
- 49. example2_chartdraw.html Adapted from:Traci L. Ruthkoski, GoogleVisualization API Essentials, Packt, 2013. https://github.com/bohyunkim/examples
- 50. ExampleCode • “Query a Google Spreadsheet like a Database with Google Visualization API Query Language” http://www.bohyunkim.net/blog/archives/2831 (Source code: https://github.com/bohyunkim/examples ) • “Playing with JavaScript and JQuery – the Ebook link HTML string generator and the EZproxy bookmarklet generator” http://acrl.ala.org/techconnect/?p=3098 • http://htmlpreview.github.io/?https://github.com/bohyunkim/exam ples/blob/master/link.html • http://htmlpreview.github.io/?https://github.com/bohyunkim/exam ples/blob/master/ezproxy_bookmarklet_generator.html • Source code: https://github.com/bohyunkim/examples/blob/master/link.html
- 55. MyThoughtsonCoding • Not everyone, every child, or every librarian needs to learn how to code. • Learning how to code does not have to result in you becoming an expert or full-time coder. • Identify your goal in learning how to code. • Understanding how computer code works will help you navigate everyday information landscape. • You will understand better how software and systems are built, function, and maintained.
- 56. • Variable • Array • Loop • Function • Objet • Class • ….. http://cheezburger.com/6240227584
- 62. LotsofResources • Many resources online – discussions, tutorials, books… • W3SchoolsTutorials • Tuts+ • MOOC • Codecademy / CodeYear • Lynda.com;Treehouse; Code School • Pick One and ACTUALLY DOING IT • Code4Lib listserv/IRC/journal/conference • LibTechWomen (http://libtechwomen.org/) • Library CodeYear Interest Group – ALA (LITA/ALCTS)
- 63. It IsHard… • Syntax will throw you off. • More time will be spent on debugging than code writing. • A slow learning curve. • Not enough time to dedicate to intensive learning. • Not always a clear connection with your library work. • Life intervenes. • Coding is more BORING than exciting.
- 64. Practice!
- 66. Tips • Don’t be discouraged or frustrated. You are teaching yourself a language. • Be persistent and realistic. • Set small goals that solve real-life problems. • Form or join a study group & find like-minded folks! • Comment your code and document since you will forget what you have learned and made.
- 67. MoreResources • See the resources section in my previous presentation at the 2012 Charleston conference, “Geek out:Adding Coding Skills toYour Professional Repertoire” - Slides athttp://www.slideshare.net/bohyunkim/geek-out-adding- coding-skills-to-your-professional-repertoire • Bohyun Kim and Kathryn Harnish, “Geek out:Adding Coding Skills toYour Professional Repertoire,” inAccentuate the Positive: Charleston Conference Proceedings 2012, edited by Beth R. Bernhardt, Leah H. Hinds, and Katina P.Strauch, Purdue University Press, 2013. (Available as open access: http://docs.lib.purdue.edu/charleston/2012/Tech/8/)
- 68. Imagecredits • https://www.flickr.com/photos/skene/3874882162 (Title slide; CC License) • https://www.flickr.com/photos/jdhancock/7082879485 (Slide 27;CC License) • https://www.flickr.com/photos/swolfe/13056042503/ (Slide 61;CC License) • https://www.flickr.com/photos/edwaado/6129247 (Slide 64;CC License)
- 69. Questions? Twitter @bohyunkim (#seacode) Website/Blog http://bohyunkim.net Slides: http://slideshare.net/bohyunkim Github: https://github.com/bohyunkim/examples