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Python argparse: Make at least one argument required
...which is also useful for passing carefully-named options to a constructor with **.
– Lenna
Mar 10 '13 at 14:57
Which i...
How to send a command to all panes in tmux?
I like to call :clear-history on panes with a huge scrollback. However, I want to script a way to send this command to all the panes in the various windows.
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How do I set default values for functions parameters in Matlab?
Is it possible to have default arguments in Matlab? For instance, here:
16 Answers
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How to write a bash script that takes optional input arguments?
...is mine]:
If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of parameter is substituted.
If you only want to substitute a default value if the parameter is unset (but not if it's null, e.g. not if it's an empty string), use this syntax instead:
somecomm...
Convert stdClass object to array in PHP
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The easiest way is to JSON-encode your object and then decode it back to an array:
$array = json_decode(json_encode($object), true);
Or if you prefer, you can traverse the object manually, too:
foreach ($object as $value)
$array[] = $value->post_id;
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How do I scroll to an element within an overflowed Div?
I have 20 list items inside of a div that can only show 5 at a time. What is a good way to scroll to item #10, and then item #20? I know the height of all the items.
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Must JDBC Resultsets and Statements be closed separately although the Connection is closed afterward
It is said to be a good habit to close all JDBC resources after usage. But if I have the following code, is it necessary to close the Resultset and the Statement?
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Is it possible to include a file in your .gitconfig
I'd like to include a file in my .gitconfig that has my github settings - is this possible?
4 Answers
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LaTeX Optional Arguments
How do you create a command with optional arguments in LaTeX?
Something like:
6 Answers
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How to sort a list of strings numerically?
...our strings to ints. Or rather, you did, but then you didn't do anything with the results. What you want is:
list1 = ["1","10","3","22","23","4","2","200"]
list1 = [int(x) for x in list1]
list1.sort()
If for some reason you need to keep strings instead of ints (usually a bad idea, but maybe you...