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Draw a perfect circle from user's touch
...idea is to spot some valuable meta information. I will use tangent as an example:
Let's identify a simple and straightforward pattern, typical for the selected shape:
So it is not that hard to implement a circle detection mechanism based on that idea. See working demo below (Sorry, I'm using J...
C++: const reference, before vs after type-specifier
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No difference as const is read right-to-left with respect to the &, so both represent a reference to an immutable Fred instance.
Fred& const would mean the reference itself is immutable, which is redundant; when dealing with const pointers both Fred const* and Fred* const are vali...
REST API Best practices: Where to put parameters? [closed]
... The official rule URIs and the draft sepc were really useful & interesting! :-)
– KajMagnus
Apr 16 '11 at 10:54
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What makes Lisp macros so special?
...erent (e.g. Infix Notation Math for Clojure).
Here is a more concrete example:Python has list comprehensions built into the language. This gives a simple syntax for a common case. The line
divisibleByTwo = [x for x in range(10) if x % 2 == 0]
yields a list containing all even numbers between ...
What is the current directory in a batch file?
...) gives the full path to the batch file. See robvanderwoude.com/parameters.php for more details.
– deadlydog
Jul 11 '13 at 20:08
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How to install packages using pip according to the requirements.txt file from a local directory?
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This works for me:
$ pip install -r requirements.txt --no-index --find-links file:///tmp/packages
--no-index - Ignore package index (only looking at --find-links URLs instead).
-f, --find-links <URL> - If a URL or path to an html file, then par...
Python using enumerate inside list comprehension
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Just to be really clear, this has nothing to do with enumerate and everything to do with list comprehension syntax.
This list comprehension returns a list of tuples:
[(i,j) for i in range(3) for j in 'abc']
this a list of dicts:
[{i:...
Remove leading and trailing spaces?
I'm having a hard time trying to use .strip with the following line of code.
4 Answers
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Actionbar notification count icon (badge) like Google has
... method to show action bar notification icon with a count like on Google examples?
9 Answers
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What is digest authentication?
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Nice explanation. Are the username & pwd for a windows user? Where are they generated from?
– SoftwareGeek
Mar 5 '10 at 3:37
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