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How to use arguments from previous command?
... press the digit (this will count from the end of the list of arguments.
Em>x m>ample:
Enter the following command
$ echo a b c d e f g
a b c d e f g
Now at the nem>x m>t prompt, type echo (with a following space), then
Press Alt-Ctrl-y and you'll now see:
$ echo a
without pressing Enter yet, do the ...
How does zip(*[iter(s)]*n) work in Python?
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iter() is an iterator over a sequence. [m>x m>] * n produces a list containing n quantity of m>x m>, i.e. a list of length n, where each element is m>x m>. *arg unpacks a sequence into arguments for a function call. Therefore you're passing the same iterator 3 times to zip(), and...
Scala type programming resources
...digms in type-level programming: "object-oriented" and "functional". Most em>x m>amples linked to from here follow the object-oriented paradigm.
A good, fairly simple em>x m>ample of type-level programming in the object-oriented paradigm can be found in apocalisp's implementation of the lambda calculus, repl...
adding header to python requests module
... do this to set a header for all future gets for the Session object, where m>x m>-test will be in all s.get() calls:
s = requests.Session()
s.auth = ('user', 'pass')
s.headers.update({'m>x m>-test': 'true'})
# both 'm>x m>-test' and 'm>x m>-test2' are sent
s.get('http://httpbin.org/headers', headers={'m>x m>-test2': 'true...
How can I display just a portion of an image in HTML/CSS?
Let's say I want a way to display just the the center 50m>x m>50pm>x m> of an image that's 250m>x m>250pm>x m> in HTML. How can I do that. Also, is there a way to do this for css:url() references?
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Javascript and regem>x m>: split string and keep the separator
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Use (positive) lookahead so that the regular em>x m>pression asserts that the special character em>x m>ists, but does not actually match it:
string.split(/<br \/>(?=&#?[a-zA-Z0-9]+;)/g);
See it in action:
var string = "aaaaaa<br />† bbbb<br /&...
How can I visualize per-character differences in a unified diff file?
...s named foo.diff or foo.patch this happens automatically; otherwise type M-m>x m> diff-mode RET), go to the hunk you are interested in and hit C-c C-b for refine-hunk. Or step through the file one hunk at a time with M-n; that will do the refining automatically.
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Creating a range of dates in Python
...arting with today, and going back an arbitrary number of days, say, in my em>x m>ample 100 days. Is there a better way to do it than this?
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Getting vertical gridlines to appear in line plot in matplotlib
...ame from an sql query in python to generate a line plot with dates on the m>x m>-am>x m>is. I'm not sure why they do not appear on the dates and I have tried to search for an answer to this but couldn't find one.
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sed one-liner to convert all uppercase to lowercase?
I have a tem>x m>tfile in which some words are printed in ALL CAPS. I want to be able to just convert everything in the tem>x m>tfile to lowercase, using sed . That means that the first sentence would then read, 'i have a tem>x m>tfile in which some words are printed in all caps.'
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