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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?

... and does not wrap around. The precision on my system is 1 µs, but I also tested it on a Linux system (Red Hat 4.1.2-48 with GCC 4.1.2) and there the precision was only 1 ms. gettimeofday() returns the wall-clock time with (nominally) µs precision. On my system this clock does seem to have µs pre...
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How do arrays in C# partially implement IList?

... // Implicit interface implementation public void M2() {} } class Test { static void Main() { Foo foo = new Foo(); foo.M1(); // Compile-time failure foo.M2(); // Fine IFoo ifoo = foo; ifoo.M1(); // Fine ifoo.M2(); // Fine } }...
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How do you track record relations in NoSQL?

...you see it NoSQL != NoSQL. You need to look at specific implementation and test it for yourself. Mentioned before Column stores look like good fit for relations.. but it all depends on your A and C and P needs;) If you do not need A and you have less than Peta bytes just leave it, go ahead with MyS...
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Why is “except: pass” a bad programming practice?

...explicitly (if we can recover from them) or—in case of a bug—to create test cases to make sure it won’t happen again. But of course, that only works if we only ever caught those exceptions we were already expecting, so the ones we didn’t expect will naturally bubble up. Try to avoid passing...
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Why should I not include cpp files and instead use a header?

... 1, that means you have to compile all two million lines again in order to test this. And if you find out that you meant to do a x = y - 1 instead, then again, two million lines of compile are waiting for you. That's many hours of time wasted that could be better spent doing anything else. "But I...
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How to create a MySQL hierarchical recursive query

... I'm pretty sure it works for more than one child. I even tested it again. – Fandi Susanto Apr 7 '18 at 14:12 ...
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How did Google manage to do this? Slide ActionBar in Android application

.../ start the animator animator.start(); // make or inflate custom view for test purposes Button textView = new Button(this); textView.setText("TestButton"); // add it to the frame layout that is the parent of the content on position 0 FrameLayout parent = (FrameLayout) content.getParent(); parent.a...
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How do search engines deal with AngularJS applications?

...tomjs, obtain page.content and return static html. – tester Aug 26 '14 at 21:15 6 I realize this ...
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Migrating from JSF 1.2 to JSF 2.0

...0 compatible version as per their instructions. Best is to just write unit tests, run them before and after the upgrade and fix any issues individually. Here are at least some useful links with regard to migration of the specific component library: RichFaces Migration Guide - 3.3.x to 4.x migrat...
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Should I use tag for icons instead of ? [closed]

... IT DOES NOT MAKE IT ACCESSIBLE! Have you tested it with screen readers?! Replacing natively accessible solution <img alt="..."> with <span role="img"> makes everything worse. Don't use aria-label on a SPAN, non-focusable element. It won't always work as ...