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What do people find difficult about C pointers? [closed]
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I suspect people are going a bit too deep in their answers. An understanding of scheduling, actual CPU operations, or assembly-level memory management isn't really required.
When I was teaching, I found the following holes in students' understanding to be t...
support FragmentPagerAdapter holds reference to old fragments
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You are running into a problem because you are instantiating and keeping references to your fragments outside of PagerAdapter.getItem, and are trying to use those references independently of the ViewPager. As Seraph says, you do have guarantee...
What is a 'thunk'?
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A thunk usually refers to a small piece of code that is called as a function, does some small thing, and then JUMPs to another location (usually a function) instead of returning to its caller. Assuming the JUMP target is a normal function, when it...
moving changed files to another branch for check-in
This often happens to me: I write some code, go to check in my changes, and then realize I'm not in the proper branch to check in those changes. However I can't switch to another branch without my changes reverting. Is there a way to move changes to another branch to be checked in there?
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Authentication versus Authorization
...tion is the process of ascertaining that somebody really is who they claim to be.
Authorization refers to rules that determine who is allowed to do what. E.g. Adam may be authorized to create and delete databases,
while Usama is only authorised to read.
The two concepts are completely ortho...
Definition of “downstream” and “upstream”
...terms "upstream" and "downstream". I've seen these before but never understood them fully. What do these terms mean in the context of SCMs ( Software Configuration Management tools) and source code?
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Does anyone beside me just NOT get ASP.NET MVC? [closed]
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Compared to Web Forms, MVC is simultaneously a lower-level approach to HTML generation with greater control over the page output and a higher-level, more architecturally-driven approach. Let me capture Web Forms and MVC and show why I...
ExpressJS How to structure an application?
...opular question, so I've gone ahead and created a scaffolding github repository with JavaScript code and a long README about how I like to structure a medium-sized express.js application.
focusaurus/express_code_structure is the repo with the latest code for this. Pull requests welcome.
Here's a s...
How do HttpOnly cookies work with AJAX requests?
JavaScript needs access to cookies if AJAX is used on a site with access restrictions based on cookies. Will HttpOnly cookies work on an AJAX site?
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How to get back to the latest commit after checking out a previous commit?
I sometimes check out some previous version of the code to examine or test. I have seen instructions on what to do if I wish to modify previous commits -- but suppose I make no changes. After I've done e.g. git checkout HEAD^ , how do I get back to the tip of the branch?.. git log no longer sho...