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What is a “feature flag”?

...s/features can be toggled live. I guess the example there was that it's handy to have the control to reduce the feature-set somewhat if you need to, say, reduce db queries if the load is too high. There are heaps of other reasons you would want to use this though - one of the main being enabling...
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How to debug a single thread in Visual Studio?

...t projects. I want to trace the first thread hit one of these break-points and continue tracing that single thread despite of other threads entering the same code-blocks. ...
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Using Core Data, iCloud and CloudKit for syncing and backup and how it works together

...am in the early stages of creating an app where I would like to save, sync and backup data. The app will not store any files just data in a database. It is going to be iOS 8 and up so I am able to use CloudKit. I did some research and still not clear on how Core Data, iCloud and CloudKit work toge...
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What is the difference between atomic and critical in OpenMP?

What is the difference between atomic and critical in OpenMP? 8 Answers 8 ...
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How can I rename a project folder from within Visual Studio?

... the extra steps required. To rename a project's folder, file (.*proj) and display name in Visual Studio: Close the solution. Rename the folder(s) outside Visual Studio. (Rename in TFS if using source control) Open the solution, ignoring the warnings (answer "no" if asked to load a project fro...
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Java: Difference between PrintStream and PrintWriter

What is the difference between PrintStream and PrintWriter ? They have many methods in common due to which I often mix these two classes up. Moreover, I think we can use them for exactly the same things. But there has to be a difference, otherwise, there would have been only one class. ...
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Why is it bad style to `rescue Exception => e` in Ruby?

... TL;DR: Use StandardError instead for general exception catching. When the original exception is re-raised (e.g. when rescuing to log the exception only), rescuing Exception is probably okay. Exception is the root of Ruby's exception hi...
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What is the difference between trie and radix trie data structures?

Are the trie and radix trie data structures the same thing? 3 Answers 3 ...
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How does the Brainfuck Hello World actually work?

Someone sent this to me and claimed it is a hello world in Brainfuck (and I hope so...) 6 Answers ...
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Algorithm to detect corners of paper sheet in photo

... working on this earlier this year. This was my first ever coding project, and kinda ended in a bit of a rush, so the code needs some errr...decoding... I'll give a few tips from what I've seen you doing already, and then sort my code on my day off tomorrow. First tip, OpenCV and python are awesom...