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git remote prune – didn't show as many pruned branches as I expected

...ch that was removed by someone else. It's more likely that your co-workers now need to run git prune to get rid of branches you have removed. So what exactly git remote prune does? Main idea: local branches (not tracking branches) are not touched by git remote prune command and should be removed ...
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Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V

... There's a dynamic programming solution. We start off knowing 0 keys can make us 0 A's. Then we iterate through for i up to n, doing two things: pressing A once and pressing select all + copy followed by paste j times (actually j-i-1 below; note the trick here: the contents are s...
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?

...guaranteed to remember insertion order. "The order of elements in **kwargs now corresponds to the order in which keyword arguments were passed to the function." - docs.python.org/3/whatsnew/3.6.html In fact, all dicts in CPython 3.6 will remember insertion order as an implementation detail, this bec...
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What's wrong with foreign keys?

...n get nice "on delete cascade" behavior, automatically cleaning up tables knowing about the relationships between tables in the database helps the Optimizer plan your queries for most efficient execution, since it is able to get better estimates on join cardinality. FKs give a pretty big hint on wh...
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Using Laravel Homestead: 'no input file specified'

...ou need to have your homestead.yaml file settings correct. If you want to know how its done follow Jeffery Way tutorial on homestead 2.0 https://laracasts.com/lessons/say-hello-to-laravel-homestead-two. Now to fix Input not specified issue you need to ssh into homestead box and type serve domain...
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Avoiding “resource is out of sync with the filesystem”

... It now seems to be called "Refresh using native hooks or polling" (Indigo SR1). – Oliver Bock Aug 14 '12 at 1:21 ...
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How to make junior programmers write tests? [closed]

...to "get it" with a senior guy directing him along the right path (eg. "Ok, now before we continue, lets write at test for this function.") It will be well worth the resources you commit to it. Maybe also have someone in your group give the Unit Testing 101 presentation by Kate Rhodes, I think its...
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Pass a parameter to a fixture function

...nly way to do this in older versions of pytest as others have noted pytest now supports indirect parametrization of fixtures. For example you can do something like this (via @imiric): # test_parameterized_fixture.py import pytest class MyTester: def __init__(self, x): self.x = x ...
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How to convert floats to human-readable fractions?

...t;(double)0x7FFFFFFF) break; // AF: representation failure } /* now remaining x is between 0 and 1/ai */ /* approx as either 0 or 1/m where m is max that will fit in maxden */ /* first try zero */ printf("%ld/%ld, error = %e\n", m[0][0], m[1][0], startx - ((double) ...
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How do I fix blurry text in my HTML5 canvas?

...is ratio is 2. This essentially means that your 1000px width canvas would now need to fill 2000px to match it's stated width on the iPad display. Fortunately for us, this is done automatically by the browser. On the other hand, this is also the reason why you see less definition on images and can...