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Introduction to principles of software engineering for mobile devices and best practices, including code reviews, source control, and unit tests. Topics include Ajax, encapsulation, event handling, HTTP, memory management, MVC, object-oriented design, and user experience. Languages include HTML5, JavaScript, Objective-C, and PHP. Projects include mobile web apps and native iOS apps. This is OpenCourseWare, licensed by David J. Malan of Harvard University under a Creative Commons Attribution- ...
 
Introduction to the intellectual enterprises of computer science and the art of programming. This course teaches students how to think algorithmically and solve problems efficiently. Topics include abstraction, encapsulation, data structures, databases, memory management, software development, virtualization, and websites. Languages include C, PHP, and JavaScript plus SQL, CSS, and XHTML. Problem sets inspired by real-world domains of biology, cryptography, finance, forensics, and gaming. De ...
 
This course introduces XML as a key enabling technology in Java-based applications. Students learn the fundamentals of XML and its derivatives, including DTD, SVG, XML Schema, XPath, XQuery, XSL-FO, and XSLT. Students also gain experience with programmatic interfaces to XML like SAX and DOM, standard APIs like JAXP and TrAX, and industry-standard software like Ant, Tomcat, Xerces, and Xalan. The course acquaints students with J2EE, including JavaServer Pages (JSP) and Java Servlet, and also ...
 
Today's websites are increasingly dynamic. Pages are no longer static HTML files but instead generated by scripts and database calls. User interfaces are more seamless, with technologies like Ajax replacing traditional page reloads. This course teaches students how to build dynamic websites with Ajax and with Linux, Apache, MySQL, and PHP (LAMP), one of today's most popular frameworks. Students learn how to set up domain names with DNS, how to structure pages with XHTML and CSS, how to progr ...
 
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show series
 
In this episode, David and Brian discuss the origins of the CS50 Fair, the end-of-term exhibition of final projects that capstones CS50 students' experience. Why so many balloons? Why the raffle? And how can others run their own CS50 Fairs? All it took at first, it turns out, was some Entenmann's cakes!The CS50 Podcast is hosted by CS50's own David…
 
In this episode, David and Brian discuss CS50's experience with matters of academic dishonesty, whereby students sometimes submit work that's not entirely their own. While the course aspires each year to reduce the number of instances thereof, most educationally impactful to date has been the course's introduction of a "regret clause" to its syllab…
 
In this episode, a discussion of CS50's underlying pedagogy. David and Brian discuss changes made to CS50 at Harvard in Fall 2019, among them new-and-improved lectures, weekly quizzes, by-appointment tutorials, a choice of end-of-term "tracks" for students, and lots of new problem sets. Hear the reasons behind those changes as well as what worked w…
 
This week's podcast: Brian Yu joins David as co-host for the first time and the two share a discussion of a topic very much in vogue: machine learning.The CS50 Podcast is hosted by CS50's own David J. Malan and Colton Ogden at Harvard University. Each episode focuses on (and explains!) current events and news in tech and computer science more gener…
 
This week's podcast: the woes of ransomware (and the companies that claim to fight it), a vector for spyware injection in WhatsApp, and much more.The CS50 Podcast is hosted by CS50's own David J. Malan and Colton Ogden at Harvard University. Each episode focuses on (and explains!) current events and news in tech and computer science more generally.…
 
This week's podcast: a tale of how YouTube eliminated Internet Explorer 6, stories of security concerning both digital and physical keys, and much more.The CS50 Podcast is hosted by CS50's own David J. Malan and Colton Ogden at Harvard University. Each episode focuses on (and explains!) current events and news in tech and computer science more gene…
 
This week's podcast: just how many insecure passwords are out in the open (and which ones in particular!), new features added to Chrome's Incognito Mode, and much more.The CS50 Podcast is hosted by CS50's own David J. Malan and Colton Ogden at Harvard University. Each episode focuses on (and explains!) current events and news in tech and computer s…
 
This week's podcast: the power and simplicity of task lists and the ethical boundaries of present and future facial recognition software.The CS50 Podcast is hosted by CS50's own David J. Malan and Colton Ogden at Harvard University. Each episode focuses on (and explains!) current events and news in tech and computer science more generally.This is t…
 
This week's podcast: the Facebook plain-text password controversy and the new (irritating!) phenomenon of the robocall.The CS50 Podcast is hosted by CS50's own David J. Malan and Colton Ogden at Harvard University. Each episode focuses on (and explains!) current events and news in tech and computer science more generally.This is the CS50 Podcast.Fo…
 
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