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Best way to convert an ArrayList to a string
...ny fast way to do this? You could loop through it (or remove each element) and concatenate it to a String but I think this will be very slow.
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How to change the author and committer name and e-mail of multiple commits in Git?
I was writing a simple script in the school computer, and committing the changes to Git (in a repo that was in my pendrive, cloned from my computer at home). After several commits I realized I was committing stuff as the root user.
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What is the purpose of the var keyword and when should I use it (or omit it)?
What exactly is the function of the var keyword in JavaScript, and what is the difference between
19 Answers
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OOP vs Functional Programming vs Procedural [closed]
What are the differences between these programming paradigms, and are they better suited to particular problems or do any use-cases favour one over the others?
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How to set a value to a file input in HTML?
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I understand the security issue, but shouldn't the browser be able to distinguish between a dangerous local filepath and something more innocuous like a dataUrl? Maybe it's a pipe-dream.
– cowlinator
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Encapsulation vs Abstraction?
Here are the brief definitions of encapsulation and abstraction.
13 Answers
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OpenLayers vs Google Maps? [closed]
...hese are a really great questions! I'm a professional OpenLayers developer and fan, so I'll address your questions from that perspective.
Why would I use OpenLayers instead of Google Maps?
Flexiblity: You are not tied to any particular map provider or technology. You can change anytime and not ha...
How can I merge two commits into one if I already started rebase?
...base todo list, that is into a commit on a previous line. Changing the command on your todo list’s very first line to squash will always produce this error as there is nothing for the first commit to squash into.
The Fix
First get back to where you started with
$ git rebase --abort
Say your h...
What is the difference between JSF, Servlet and JSP?
...ccess backend data (via attributes available in the page, request, session and application scopes), mostly in combination with taglibs.
When a JSP is requested for the first time or when the web app starts up, the servlet container will compile it into a class extending HttpServlet and use it during...
REST API error return good practices [closed]
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So at first I was tempted to return my application error with 200 OK and a specific XML payload (ie. Pay us more and you'll get the storage you need!) but I stopped to think about it and it seems to soapy (/shrug in horror).
I wouldn't return a 200 unless there really was nothing wrong with ...