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Ruby arrays: %w vs %W
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%w quotes like single quotes '' (no variable interpolation, fewer escape sequences), while %W quotes like double quotes "".
irb(main):001:0> foo="hello"
=> "hello"
irb(main):002:0> %W(foo bar baz #{foo})
=> ["foo", ...
I want to delete all bin and obj folders to force all projects to rebuild everything
... should work:
FOR /F "tokens=*" %%G IN ('DIR /B /AD /S bin') DO RMDIR /S /Q "%%G"
FOR /F "tokens=*" %%G IN ('DIR /B /AD /S obj') DO RMDIR /S /Q "%%G"
If you are using a bash or zsh type shell (such as git bash or babun on Windows or most Linux / OS X shells) then this is a much nicer, more succin...
How to deploy a war file in Tomcat 7
...RL without the resourceName because it won't work if there is no file like index.html, or if there is no url pattern like "/" or "/*" in web.xml.
The available main paths are here: [<protocol>://]localhost:<port>/manager/html (E.g.: http://localhost:8080/manager/html) and they have true...
sed one-liner to convert all uppercase to lowercase?
... > output.txt for GNU sed works fine too
– Asfand Qazi
Apr 13 '17 at 8:49
1
@ekkis OSX is usin...
Non-recursive depth first search algorithm
...:
def next_sibling(node):
try:
i = node.parent.child_nodes.index(node)
return node.parent.child_nodes[i+1]
except (IndexError, AttributeError):
return None
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What is the equivalent of MATLAB's repmat in NumPy
I would like to execute the equivalent of the following MATLAB code using NumPy: repmat([1; 1], [1 1 1]) . How would I accomplish this?
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How to calculate a logistic sigmoid function in Python?
...s log1p.
In general, the multinomial logistic sigmoid is:
def nat_to_exp(q):
max_q = max(0.0, np.max(q))
rebased_q = q - max_q
return np.exp(rebased_q - np.logaddexp(-max_q, np.logaddexp.reduce(rebased_q)))
(However, logaddexp.reduce could be more accurate.)
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Getting a structural type with an anonymous class's methods from a macro
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This question is answered in duplicate by Travis here. There are links to the issue in the tracker and to Eugene's discussion (in the comments and mailing list).
In the famous "Skylla and Charybdis" section of the type checker, o...
JavaScript function similar to Python range()
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This answer does not account for a starting index and the ability to increase step size.
– Fluous
Aug 24 '19 at 11:36
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Creating JS object with Object.create(null)?
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They are not equivalent. {}.constructor.prototype == Object.prototype while Object.create(null) doesn't inherit from anything and thus has no properties at all.
In other words: A javascript object inherits from Object by default, unless y...