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How do I drop a function if it already exists?
...ion with a check to see if it already exists? If it exists, I want to drop and re-create it.
11 Answers
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Take all my changes on the current branch and move them to a new branch in Git
... checkout -b edge
Your files haven't changed. Just git add what needs to and commit as usual.
When you're done committing on edge, switch back to master with git checkout and git merge edge.
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How is the AND/OR operator represented as in Regular Expressions?
...ou want to build a the regex dynamically to contain other words than part1 and part2, and that you want order not to matter. If so you can use something like this:
((^|, )(part1|part2|part3))+$
Positive matches:
part1
part2, part1
part1, part2, part3
Negative matches:
part1, //with ...
Is there a stopwatch in Java?
....
As documented by nanoTime, the value returned has no absolute meaning, and can only be interpreted as relative to another timestamp
returned by nanoTime at a different time. Stopwatch is a more
effective abstraction because it exposes only these relative values,
not the absolute ones.
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Copy to clipboard in Node.js?
... you wanted this to work on X for example, you would need bindings to Xlib and/or XCB. Xlib bindings for node actually exist: https://github.com/mixu/nwm. Although I'm not sure whether it gives you access to the X clipboard, you might end up writing your own. You'll need separate bindings for window...
How to compare files from two different branches?
I have a script that works fine in one branch and is broken in another. I want to look at the two versions side-by-side and see what's different. Are there any ways to do this?
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How to download image using requests
I'm trying to download and save an image from the web using python's requests module.
14 Answers
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Best way to require all files from a directory in ruby?
...ich can lead to spurious errors. I added my own answer which explains that and shows how to strip the extension.
– Pete Hodgson
Feb 9 '10 at 18:40
4
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How to get the current URL within a Django template?
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Django 1.9 and above:
## template
{{ request.path }} # -without GET parameters
{{ request.get_full_path }} # - with GET parameters
Old:
## settings.py
TEMPLATE_CONTEXT_PROCESSORS = (
'django.core.context_processors.request',...
Do you leave parentheses in or out in Ruby? [closed]
...ve out empty parentheses
The parentheses can be left out of a single command that is surrounded by
ERb delimiters -- the ERb markers make
sure the code is still readable
A line that is a single command and a single simple argument can be
written without the parenthesis.
Personally, I fin...