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Convert Elixir string to integer or float
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How to use it in functions? My best solution is fn q -> {v, _} = Float.parse(q); v end which I don't like. I like to use it in Enum.map, e.g. list |> Enum.map(&String.to_float/1) but string.to_float doesn't work for integer numbers?
– Zhomart
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sqlalchemy: how to join several tables by one query?
...rmissions.document,
).filter(
User.email == 'someemail',
).all()
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What is the difference between and ?
...ue may or may not have any real meaning.
<html lang="en-US"> essentially means "this page is in the US style of English." In a similar way, <html lang="en-GB"> would mean "this page is in the United Kingdom style of English."
If you really wanted to specify an invalid combination, you...
Get user info via Google API
... could have edited it yourself, but don't worry as I have done it now. For all we know they could have omitted the code define(email, 'email') ;)
– verbumSapienti
Apr 23 '14 at 13:03
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How to prune local tracking branches that do not exist on remote anymore
...getting the first column of that output which will be the branch name. Finally passing all the branch names into the delete branch command.
Since it is using the -d option, it will not delete branches that have not been merged into the branch that you are on when you run this command.
Also remember...
Take the content of a list and append it to another list
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Take a look at itertools.chain for a fast way to treat many small lists as a single big list (or at least as a single big iterable) without copying the smaller lists:
>>> import itertools
>>> p = ['a', 'b', 'c']
>>> q = ['d', 'e', 'f']
>>> r = ['g', ...
How to Deep clone in javascript
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It really depends what you would like to clone. Is this a truly JSON object or just any object in JavaScript? If you would like to do any clone, it might get you into some trouble. Which trouble? I will explain it below, but first...
How do I get current date/time on the Windows command line in a suitable format for usage in a file/
Update: Now that it's 2016 I'd use PowerShell for this unless there's a really compelling backwards-compatible reason for it, particularly because of the regional settings issue with using date . See @npocmaka's https://stackoverflow.com/a/19799236/8479
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Why is the Windows cmd.exe limited to 80 characters wide?
...(even in the days of 128mb machines and the one time you need it, you'll REALLY be glad you set it before hand. The width is a personal preference, I don't like seeing line wraps from my compiler except under extreme conditions, but others don't ever like to scroll.
– Bill K
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How to check if a python module exists without importing it
...ING
When trying to find a submodule, it will import the parent module (for all of the above methods)!
food/
|- __init__.py
|- eggs.py
## __init__.py
print("module food loaded")
## eggs.py
print("module eggs")
were you then to run
>>> import importlib
>>> spam_spec = importli...