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How to initialize an array in one step using Ruby?
... was a really long expression, you might want to put it on a separate line from the array creation.
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How to correctly close a feature branch in Mercurial?
...e 2:
branch was merged into default
This case is not that much different from case 1 and it can be solved by reproducing the steps for case 1 and two additional ones.
in this case I update to the branch changeset, do another commit with --close-branch and merge the new changeset that became the t...
Code Golf: Lasers
...s to write w=p-G instead of w=p-G+1. Also, this finishes off the ?: chain from the M's.
for(;
q+=m,
Move the light by the movement vector.
m=
*q&4
?(*q&1?-1:1)*(
m/w?m/w:m*w
)
Reflect the movement vector.
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Find a commit on GitHub given the commit hash
...bout GitHub, but for completeness: If you have the repository checked out, from the command line, you can achieve basically the same thing with either of these commands (unique prefixes work here too):
git show 35e32b6a00dec02ae7d7c45c6b7106779a124685
git log -p -1 35e32b6a00dec02ae7d7c45c6b7106779...
Can I escape a double quote in a verbatim string literal?
...ould help clear up any questions you may have: C# literals
Here is a table from the linked content:
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What are the special dollar sign shell variables?
...ffort, especially considering that the vast majority of people end up here from Google search. I think the least you could do is add links to official documentation. TBH, the only reason I didn't flag it for deletion was because it is at least a partial answer to the question. I know it's old, but p...
How do I find the number of arguments passed to a Bash script?
...
to add the original reference:
You can get the number of arguments from the special parameter $#. Value of 0 means "no arguments". $# is read-only.
When used in conjunction with shift for argument processing, the special parameter $# is decremented each time Bash Builtin shift is executed....
wpf: how to show tooltip when button disabled by command?
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It ensures that for any class inheriting from Control, tooltips are shown even if Control instance is disabled
– sacha barber
Jan 22 '19 at 18:24
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Why does String.split need pipe delimiter to be escaped?
...escape. Now that I know why it's that way, it will surely help me remember from now on.
– sufinawaz
Nov 3 '14 at 21:10
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How to check if a specific key is present in a hash or not?
... Nice reference to that change request and subsequent response from Matz.
– Joshua Pinter
Sep 10 '15 at 12:20
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