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Remove tracking branches no longer on remote
...ple way to delete all tracking branches whose remote equivalent no longer exists?
34 Answers
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What is a sealed trait?
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A sealed trait can be extended only in the same file as its declaration.
They are often used to provide an alternative to enums. Since they can be only extended in a single file, the compiler knows every possible subtypes and can reason about it.
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Window.open and pass parameters by post method
...lues in the HTML code), just open an empty window and post a form to it.
Example:
<form id="TheForm" method="post" action="test.asp" target="TheWindow">
<input type="hidden" name="something" value="something" />
<input type="hidden" name="more" value="something" />
<input type...
Is JavaScript a pass-by-reference or pass-by-value language?
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How to properly assert that an exception gets raised in pytest?
...ytest print traceback, so I would see where in the whatever function an exception was raised?
11 Answers
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Convert JavaScript string in dot notation into an object reference
...lso somewhat horrified. If one needs to convert dot-notation strings like "x.a.b.c" into references, it could (maybe) be a sign that there is something very wrong going on (unless maybe you're performing some strange deserialization).
That is to say, novices who find their way to this answer mu...
Bash empty array expansion with `set -u`
...g a bash script which has set -u , and I have a problem with empty array expansion: bash appears to treat an empty array as an unset variable during expansion:
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How do you echo a 4-digit Unicode character in Bash?
...t, or any other, 4-digit Unicode character. Two-digit one's are easy. For example, echo -e "\x55", .
18 Answers
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Determine if 2 lists have the same elements, regardless of order? [duplicate]
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You can simply check whether the multisets with the elements of x and y are equal:
import collections
collections.Counter(x) == collections.Counter(y)
This requires the elements to be hashable; runtime will be in O(n), where n is the size of the lists.
If the elements are also unique,...
Latest jQuery version on Google's CDN
...t
inadvertent web breakage and no longer updates the file at
http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.js. That file
will stay locked at version 1.11.1 as well.
The following, now moot, answer is preserved here for historical reasons.
Don't do this. Seriously, don't.
Linking t...