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Using the RUN instruction in a Dockerfile with 'source' does not work
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And now how do I downvote the original answer and upvote the edit by 'a concerned'?
– Slava
Apr 24 '19 at 10:12
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Is < faster than
...- B < 0
A = B --> A - B = 0
A > B --> A - B > 0
Now, when A < B the subtraction has to borrow a high-bit for the subtraction to be correct, just like you carry and borrow when adding and subtracting by hand. This "borrowed" bit was usually referred to as the carry bit a...
Setting log level of message at runtime in slf4j
...), I think the pragmatic solution is modify the unit test(s) to hard-wire knowledge of what logging system is behind the slf4j facade ... when running the unit tests.
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Adding dictionaries together, Python [duplicate]
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@dimo414 Yes, my bad. I can't change it now however. I use ChainMap from collections to achieve this functionality now via dict(ChainMap(dic1, dic0)). However I have had to grab the source code from the chainmap pypi package for Python2.7. Notice how I switched the...
git selective revert local changes from a file
...:
git add -i
(select the hunks you want to keep)
git commit -m "tmp"
Now you have a commit with only the changes you want to keep, and the rest is unstaged.
git reset --hard HEAD
At this point, uncommitted changes have been discarded, so you have a clean working directory, with the changes ...
Is there a good reason to use upper case for SQL keywords? [closed]
...itors didn't do code colouring.
I used to prefer all upper case, but I'm now leaning towards all lower.
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Determine when a ViewPager changes pages
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ViewPager.setOnPageChangeListener is deprecated now. You now need to use ViewPager.addOnPageChangeListener instead.
for example,
viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, fl...
Ways to circumvent the same-origin policy
...is to use custom HTTP headers to allow both the browser and the server to know enough about each other to determine if the request or response should succeed or fail.
For a simple request, one that uses either GET or POST with no custom headers and whose body is text/plain, the request is sent with...
Multi-gradient shapes
...reen from 55% to the end. This may not look exactly like your shape (Right now, I have no way of testing these colors), but you can modify this to replicate your example.
Edit: Also, the 0, 0, 0, theButton.getHeight() refers to the x0, y0, x1, y1 coordinates of the gradient. So basically, it start...
Why no ICloneable?
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ICloneable is considered a bad API now, since it does not specify whether the result is a deep or a shallow copy. I think this is why they do not improve this interface.
You can probably do a typed cloning extension method, but I think it would require a diff...