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Using do block vs braces {}
...ctures (if, while, case, etc.)
The second, less-frequently seen style is known as semantic, or "Weirich Braces", proposed by the late, great rubyist Jim Weirich:
Use do end for procedural blocks
Use braces { } for functional blocks
This means that when the block is evaluated for its return valu...
Unit test naming best practices [closed]
...of the issues with the Should pattern I describe above as its not easy to know at a glance which method is under test. For OOP I think it makes more sense to start the test name with the method under test. For a well designed class this should result in readable test method names. I now use a format...
space between divs - display table-cell
... were used for layout purposes, and part of the reason that methodology is now obsolete.
– rakitin
Feb 28 '16 at 22:50
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How do I protect Python code? [closed]
... you use a exe-packager like py2exe, the layout of the executable is well-known, and the Python byte-codes are well understood.
Usually in cases like this, you have to make a tradeoff. How important is it really to protect the code? Are there real secrets in there (such as a key for symmetric enc...
How to trace the path in a Breadth-First Search?
...this seems much cleaner. Would it be possible to make a graph if you only know the start and the end but none of the nodes in-between? Or even another approach besides graphs?
– Christopher Markieta
Jan 19 '12 at 7:19
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dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
... 0
# Turn group2 into a factor
iris$group2 = factor(iris$group2)
# Now all possible combinations of Species and group2 are included in the output,
# whether present in the data or not
iris %>% group_by(Species, group2, .drop=FALSE) %>% tally
#> Species group2 n
#> ...
Mocking member variables of a class using Mockito
... particular .
I guess my requirement is pretty simple, but I am keen to know others thoughts on this.
8 Answers
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All falsey values in JavaScript
...nt zero (0n):
0n == false // true
-0n == false // true
So with this, we now have 7 "falsy" values in total (not including document.all as mentioned by user above since it's part of DOM and not JS).
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Are Git forks actually Git clones?
...spective button where GitHub tells you you're 50 commits behind. No biggie now that I know they're using the term "Pull Request" to also include requests for pulling from the upstream to your GitHub fork. Git is hard.
– William T. Mallard
Sep 28 '16 at 22:10
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PhpStorm wrap/surround selection?
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I know this is a little late answer, but I hope anyone who looks this question get helped.
In PhpStorm, almost everything can be configured but a little tricky and takes some learning curve.
It's very common behaviour that sele...