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How do you check in python whether a string contains only numbers?
...isdigit method on your str object:
if len(isbn) == 10 and isbn.isdigit():
From the isdigit documentation:
str.isdigit()
Return True if all characters in the string are digits and there is at least one character, False otherwise. Digits include decimal characters and digits that need special handli...
How to understand Locality Sensitive Hashing?
...t in understanding the hashing for cosine similarity.
I borrow two slides from Benjamin Van Durme & Ashwin Lall, ACL2010 and try to explain the intuitions of LSH Families for Cosine Distance a bit.
In the figure, there are two circles w/ red and yellow colored, representing two two-dimension...
Where can I find Android source code online? [closed]
... One can indeed get individual packages by pulling their git repositories from a currently active URL. However, this is mostly useful for study - even things that seem like they should be SDK-based ordinary applications typically have dependencies elsewhere in AOSP and so will not build via the SD...
Is div inside list allowed? [duplicate]
...gt;
Thus div, p etc. can be inside li (according to XHTML 1.0 Strict DTD from w3.org).
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How can I redirect the output of the “time” command?
...
If you don't want to mix output from time and the command.
With GNU time, you can use -o file like:
/usr/bin/time -o tim grep -e k /tmp 1>out 2>err
while tim is output of time, out and err are stdout and stderr from grep.
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How to create a Menubar application for Mac
... Also add LSUIElement with string value of 1 to your Info.plist to hide it from Dock.
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how to return index of a sorted list? [duplicate]
...)
>>> sort_index
array([2, 0, 1, 3, 4])
If not available, taken from this question, this is the fastest method:
>>> vals = [2,3,1,4,5]
>>> sorted(range(len(vals)), key=vals.__getitem__)
[2, 0, 1, 3, 4]
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What should I do if the current ASP.NET session is null?
...Page. So if you are calling other functionality, including static classes, from your page, you should be fine.
If you have some classes doing initialization logic during startup, for example on the Application_Start event or by using a static constructor, Session state might not be available. It all...
How to get my IP address programmatically on iOS/macOS?
...ddress and type-casting it to IPv4 and turning that to a string (basically from the high 32 bits of the 128-bit address.)
– Jens Alfke
Oct 9 '13 at 21:16
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How often to commit changes to source control? [closed]
...nt commits, amount of time to fix breakages shrinks, and so does time lost from undoing commits. Frequent commits lead to many other benefits as well. If I break the build, I hope to break it soon and with a small commit so I can fix it quickly.
– jyoungdev
N...