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What's the most efficient way to test two integer ranges for overlap?
... is in both ranges, i.e.
x1 <= C <= x2
and
y1 <= C <= y2
Now, if we are allowed to assume that the ranges are well-formed (so that x1 <= x2 and y1 <= y2) then it is sufficient to test
x1 <= y2 && y1 <= x2
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Why can't I reference my class library?
...e to our current 4.0 requirement, I downgraded the new solution to 4.0 and now my other project has no problems building against it. +1 for helping me stay sane!
– David Peterson
Nov 27 '12 at 22:57
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How do I run a shell script without using “sh” or “bash” commands?
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Hey thanks for your reply. I tried that out. Now I can run it without the "sh" command. But I still have to prefix the command with "./" which I don't want to. :)
– Rameez Hussain
Jan 8 '12 at 18:26
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Are there constants in JavaScript?
...swer is still highly ranked by Google in 2015 it should be said that it is now obsolete. The const keyword is now officially part of the language and is supported by every browser. According to statcounter.com only a few percent of internet users still use old browser versions that didn't support co...
How do you create a remote Git branch?
...or the remote branch will be deleted!
So that a subsequent git pull will know what to do, you might instead want to use:
git push --set-upstream <remote-name> <local-branch-name>
As described below, the --set-upstream option sets up an upstream branch:
For every branch that is u...
Shell one liner to prepend to a file
...table, and should not be relied upon for anything even vaguely important.
Now, with all that out of the way the answer was:
Creating another file descriptor for the file (exec 3<> yourfile) thence writing to that (>&3) seems to overcome the read/write on same file dilemma. Works for...
ImportError: No module named pip
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I am having python2 and 3 on the same machine but for now I wanted to use Python3. Hence I had to modify the comment above to sudo python3 -m pip install matplotlib (I had to do this via sudo, otherwise some folder permission didnt work). (edited the answer correspondingly)
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Javascript swap array elements
...r belts:
Given the array arr = [1,2,3,4], you can swap values in one line now like so:
[arr[0], arr[1]] = [arr[1], arr[0]];
This would produce the array [2,1,3,4]. This is destructuring assignment.
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Class JavaLaunchHelper is implemented in both … libinstrument.dylib. One of the two will be used. Wh
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As of October 2017, this issue is now resolved in
jdk1.9
jdk1.8.152
jdk1.7.161
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Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
...being assigned or passed as an argument. That is what we call a callback.
Now the question is, when is that callback called?
It depends on the case. Let's try to trace some common behavior again:
img.onload may be called sometime in the future, when (and if) the image has successfully loaded.
se...