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Difference between len() and .__len__()?
Is there any difference between calling len([1,2,3]) or [1,2,3].__len__() ?
4 Answers
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How do I execute a Git command without being in the repository?
...ccepted answer? This will use the current dir as work tree and use the specified .git for history, which is completely wrong. If you do not just show log, for example, git status. -C is the correct way to go.
– Wang
Mar 19 at 18:11
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Can clearInterval() be called inside setInterval()?
...de above and sometimes it is working, sometimes it is not. I am wondering if the clearInterval actually clear the timer?? because there is this monitor button that will only be disabled when it is in monitoring function. I have another clearInterval when an element called .outputRemove is ...
Does a dot have to be escaped in a character class (square brackets) of a regular expression?
...s website is a brilliant reference and has lots of info on the nuances of different regex flavours.
http://www.regular-expressions.info/refcharclass.html
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Split list into smaller lists (split in half)
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A = [1,2,3,4,5,6]
B = A[:len(A)//2]
C = A[len(A)//2:]
If you want a function:
def split_list(a_list):
half = len(a_list)//2
return a_list[:half], a_list[half:]
A = [1,2,3,4,5,6]
B, C = split_list(A)
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How to use a wildcard in the classpath to add multiple jars? [duplicate]
...n the basename wildcard character *, which is considered equivalent to specifying a list of all the files in the directory with the extension .jar or .JAR. For example, the class path entry foo/* specifies all JAR files in the directory named foo. A classpath entry consisting simply of * expands to ...
Passing multiple error classes to ruby's rescue clause in a DRY fashion
...operator *.
EXCEPTIONS = [FooException, BarException]
begin
a = rand
if a > 0.5
raise FooException
else
raise BarException
end
rescue *EXCEPTIONS
puts "rescued!"
end
If you are going to use a constant for the array as above (with EXCEPTIONS), note that you cannot define it w...
WPF: How to programmatically remove focus from a TextBox
...logical focus in your program. Either use the LostKeyboardFocus event or shift focus to another element (which shifts logical focus along with it) before clearing keyboard focus.
– Chirimorin
Feb 20 '17 at 9:48
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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
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If you're interested in the physical RAM, use the command dmidecode. It gives you a lot more information than just that, but depending on your use case, you might also want to know if the 8G in the system come from 2x4GB stic...
Are empty HTML5 data attributes valid?
...like to write a simple jQuery plugin that displays inline modals under specified elements. My idea is for the script to auto-init based on data attributes specified on elements.
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