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How do I return early from a rake task?
... at the beginning, if one of the checks fails I would like to return early from the rake task, I don't want to execute any of the remaining code.
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How can I find script's directory with Python? [duplicate]
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This won't work if you're running from inside an interpreter, since you'll get NameError: name '__file__' is not defined
– Ehtesh Choudhury
Feb 26 '14 at 21:01
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Lambda expression to convert array/List of String to array/List of Integers
...r lists
public static <T, U> List<U> convertList(List<T> from, Function<T, U> func) {
return from.stream().map(func).collect(Collectors.toList());
}
//for arrays
public static <T, U> U[] convertArray(T[] from,
Function<T, U...
Remove file extension from a file name string
...lename you pass as an argument without the extension, as should be obvious from the name.
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How to maintain a Unique List in Java?
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You can use a Set implementation:
Some info from the JAVADoc:
A collection that contains no duplicate elements. More formally, sets contain no pair of elements e1 and e2 such that e1.equals(e2), and at most one null element. As implied by its name, this interface m...
Python date string to date object
...").date()
but you still get the traceback above.
Answer:
>>> from dateutil.parser import parse
>>> from datetime import datetime
>>> parse("2015-02-24T13:00:00-08:00")
datetime.datetime(2015, 2, 24, 13, 0, tzinfo=tzoffset(None, -28800))
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Force LF eol in git repo and working copy
...better safe than sorry....
However, there's a better alternative: Benefit from LF line endings in your Linux workdir, CRLF line endings in your Windows workdir AND LF line endings in your repository.
As you're partially working on Linux and Windows, make sure core.eol is set to native and core.aut...
Git: How to return from 'detached HEAD' state
... this:
# you are currently in detached HEAD state
git checkout -b commits-from-detached-head
and then merge commits-from-detached-head into whatever branch you want, so you don't lose the commits.
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How to extract numbers from a string in Python?
...llo 42 I\'m a 32 string 30')
['42', '32', '30']
This would also match 42 from bla42bla. If you only want numbers delimited by word boundaries (space, period, comma), you can use \b :
>>> re.findall(r'\b\d+\b', 'he33llo 42 I\'m a 32 string 30')
['42', '32', '30']
To end up with a list o...
How to launch Safari and open URL from iOS app
On the settings page, I want to include three links to
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