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Relative imports in Python 2.7
...running a Python file, and importing that file from somewhere else. Just knowing what directory a file is in does not determine what package Python thinks it is in. That depends, additionally, on how you load the file into Python (by running or by importing).
There are two ways to load a Python f...
Why, Fatal error: Class 'PHPUnit_Framework_TestCase' not found in …?
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and now I have PHP Fatal error: require_once(): Failed opening required 'PHPUnit/Autoload.php'
– Dennis
Mar 19 '14 at 14:26
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Delete fork dependency of a GitHub repository
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In Github Enterprise you can find it now under admin->Collaboration->Network and depending on your use case you should use 'Make Root', 'Detach' or 'Extract'.
– Kutzi
Sep 2 '19 at 10:28
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
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from here ORA-00054: resource busy and acquire with NOWAIT specified
You can also look up the sql,username,machine,port information and get to the actual process which holds the connection
SELECT O.OBJECT_NAME, S.SID, S.SERIAL#, P.SPID, S.PROGRAM,S.USERNAME,
S.MACHINE,S.PORT...
Simplest way to read json from a URL in java
...rs, which is more expensive. That wouldn't keep the code as short as it is now. Furthermore, in JSON notation there is no concept of "lines", so why should I read them as such?
– Roland Illig
Dec 1 '10 at 23:20
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XML parsing of a variable string in JavaScript
...uys answer worked fine in my case. What's not decent about that, I do not know.
– eric
Apr 19 '12 at 15:21
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Decreasing height of bootstrap 3.0 navbar
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Ah, I see this post was edited (a lot!) and now indeed shows the right code. I also see the min-height setting I suggested in my post here that for some reason got a down-vote. It's very frustrating to get downvoted on an answer that is correct, on-topic and clear...
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How to map and remove nil values in Ruby
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Ruby 2.7+
There is now!
Ruby 2.7 is introducing filter_map for this exact purpose. It's idiomatic and performant, and I'd expect it to become the norm very soon.
For example:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.ev...
How do I check if a variable exists?
I want to check if a variable exists. Now I'm doing something like this:
11 Answers
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Is there an opposite to display:none?
...p the poor programmer with having to deal with implementing "make bald" - "now, put hair back". This answer tells you how to deal with that practical problem. Element.style.display = '' is error prone, because the "old hair" might not be the default display, but 'block' or 'table cell' or whatever. ...