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Rebasing and what does one mean by rebasing pushed commits
...sing". A quote from that section:
When you rebase stuff, you’re
abandoning existing commits and
creating new ones that are similar but
different. If you push commits
somewhere and others pull them down
and base work on them, and then you
rewrite those commits with git rebase
and...
Passing a string with spaces as a function argument in bash
...
you should put quotes and also, your function declaration is wrong.
myFunction()
{
echo "$1"
echo "$2"
echo "$3"
}
And like the others, it works for me as well. Tell us what version of shell you are using.
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How to grep (search) committed code in the Git history
...ommit content (i.e., actual lines of source, as opposed to commit messages and the like), you need to do:
git grep <regexp> $(git rev-list --all)
git rev-list --all | xargs git grep <expression> will work if you run into an "Argument list too long" error.
If you want to limit the sea...
Counting the number of True Booleans in a Python List
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That is not idiomatic and makes "abuse" of the type coercion of bool.
– Jan Segre
Sep 4 '14 at 22:19
26
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Ruby on Rails Callback, what is difference between :before_save and :before_create?
Could you explain in detail what the :before_save and :before_create Ruby on Rails callbacks are, and what they have to do with Rails validations? Does validation occur after :before_save or :before_create ?
...
How is the java memory pool divided?
... data area from which the Java VM allocates memory for all class instances and arrays. The heap may be of a fixed or variable size. The garbage collector is an automatic memory management system that reclaims heap memory for objects.
Eden Space: The pool from which memory is initially allocated fo...
How to use JavaScript source maps (.map files)?
...js.map extension shipped with some JavaScript libraries (like Angular ), and that just raised few questions in my head:
5...
How to check if one of the following items is in a list?
... S2 = set(L2)
>>> S1.intersection(S2)
set([2])
Both empty lists and empty sets are False, so you can use the value directly as a truth value.
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Why is it OK to return a 'vector' from a function?
...a copy of the return value actually (available at least with the current standard).
– πάντα ῥεῖ
Feb 9 '15 at 20:46
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Python equivalent of D3.js
...
G.add_edge(3,4)
G.add_edge(4,2)
# use 'with' if you are writing a script and want to serve this up forever
with d3py.NetworkXFigure(G, width=500, height=500) as p:
p += d3py.ForceLayout()
p.show()
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