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Using getResources() in non-activity class
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It's normally not a good idea to pass around Context objects in Android. It can lead to memory leaks.
– Jason Crosby
Aug 28 '13 at 18:35
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Checking images for similarity with OpenCV
...ethods. Proposed decades ago as a means to find picture simmilarities. The idea is that a forest will have a lot of green, and a human face a lot of pink, or whatever. So, if you compare two pictures with forests, you'll get some simmilarity between histograms, because you have a lot of green in bot...
How do I iterate over an NSArray?
... most of the method call overhead.) Premature optimization is never a good idea — it results in messier code to solve a problem that isn't your bottleneck anyway.
When using -objectEnumerator, you very easily change to another enumerable collection (like an NSSet, keys in an NSDictionary, etc.), ...
How to Implement DOM Data Binding in JavaScript
... as strictly educational. I'm still interested in hearing new answers and ideas to implement this
15 Answers
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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
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It's a solution for Ubuntu (the idea also works for Windows or Mac) I just tried today and it works like a charm.
Material
a cross-over Ethernet cable (the name is fancy but it's just a normal Ethernet cable)
a laptop (ubuntu)
a Raspberry Pi (I have the...
How to redirect the output of the time command to a file in Linux?
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Elegant idea, but leads to the shell not using its built-in command. If you don't have a real time binary installed, out will contain something like bash: time: command not found.
– scy
Mar 5 '1...
Override Java System.currentTimeMillis for testing time sensitive code
... bite the bullet and refactor that legacy code to use a replaceable clock. Ideally that should be done with dependency injection, but even if you used a replaceable singleton you would gain testability.
This could almost be automated with search and replace for the singleton version:
Replace Cale...
How can I recover the return value of a function passed to multiprocessing.Process?
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Any ideas why my getpid() return all the same value? I'm running Python3
– zelusp
Oct 29 '16 at 17:39
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How is Node.js inherently faster when it still relies on Threads internally?
...histicated enough to start more work for the same request, but you get the idea.)
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npm global path prefix
...TH with:
export PATH=/usr/local/share/npm/bin:$PATH
isn't a terrible idea. Having said that, you shouldn't have to do it.
Run this:
npm config get prefix
The default on OS X is /usr/local, which means that npm will symlink binaries into /usr/local/bin, which should already be on your PATH ...