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Expand a random range from 1–5 to 1–7

... Very nice! Can we retain the extra entropy without growing state? The trick is to notice that both upper- and lower- bounds are at all times rational numbers. We can add, subtract, and multiply these without losing precision. If we do it all in base-35, ...
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Microsecond timing in JavaScript

... more than 1,000 attempts. Only when I'm trying to do things like load an extra web page, or other, the millisecond accuracy degrades (And I'm able to successfully catch my own degraded accuracy by doing a before-and-after time check, to see if my processing time suddenly lengthened to 1 or more mi...
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In plain English, what does “git reset” do?

...repository. But suddenly we came to know while commiting that we have one extra file which we added in index is not required to push in git repository. It means we don't want that file in index. Now the question is how to remove that file from git index, Since we used git add to put them in the ind...
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Multi-gradient shapes

... pretty sure that could be inlined into the layer-list XML, obviating this extra file, but I'm not sure how. But okay, then the kind of hacky part comes in on the layer_list XML file. I put the green gradient as the bottom layer, then put the half overlay as the second layer, offset from the top by ...
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Why is volatile not considered useful in multithreaded C or C++ programming?

...ic operations necessary to implement a mutex; it only has volatile to make extra guarantees about ordinary operations. Now you have something like this: pthread_mutex_lock( &flag_guard_mutex ); my_local_state = my_shared_flag; // critical section pthread_mutex_unlock( &flag_guard_mutex ); ...
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How to make a SIMPLE C++ Makefile

... @jcoe It does an unnecessary extra preprocessor pass to generate dependencies. Doing unnecessary work it just dissipates heat melting the ice poles and, on a bigger scale, is nearing the heat death of our universe. – Maxim Egorushki...
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How to make a great R reproducible example

... and your code in the console and get exactly the same as you have. Give extra information In most cases, just the R version and the operating system will suffice. When conflicts arise with packages, giving the output of sessionInfo() can really help. When talking about connections to other appli...
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When to use Storyboard and when to use XIBs

... segues. It's much easier to do such a change in code. Storyboards add two extra liabilities to your project: (1) The Storyboard Editor tool that generates the storyboard XML and (2) the runtime component that parses the XML and creates UI and controller objects from it. Both parts can have bugs tha...
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Separation of business logic and data access in django

... standard method in the forms API; it is intended to replace the 'extract-data-from-form-in-view-and-do-stuff' pattern by a more testable pattern. """ user_id = self.cleaned_data['user_id'] user = User.objects.get(pk=user_id) # set active flag user...
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Why is x86 ugly? Why is it considered inferior when compared to others? [closed]

...rip through memory more frequently than would otherwise be necessary. The extra instructions needed to do this take execution resources that could be spent on useful work, although efficient store-forwarding keeps the latency low. Modern implementations with register renaming onto a large physical...