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How do you detect where two line segments intersect? [closed]
...p − q) × r
u = (p − q) × r / (s × r)
To reduce the number of computation steps, it's convenient to rewrite this as follows (remembering that s × r = − r × s):
u = (q − p) × r / (r × s)
Now there are four cases:
If r × s = 0 and (q − p) × r = 0, then t...
How can I stop .gitignore from appearing in the list of untracked files?
...ignore file should be in your repository, so it should indeed be added and committed in, as git status suggests. It has to be a part of the repository tree, so that changes to it can be merged and so on.
So, add it to your repository, it should not be gitignored.
If you really want you can add .gi...
setting an environment variable in virtualenv
...intained.
Old answer
I wrote autoenv to do exactly this:
https://github.com/kennethreitz/autoenv
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How to revert initial git commit?
I commit to a git repository for the first time; I then regret the commit and want to revert it. I try
9 Answers
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How to solve java.lang.NoClassDefFoundError?
I've tried both the example in Oracle's Java Tutorials . They both compile fine, but at run-time, both come up with this error:
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Why does .NET foreach loop throw NullRefException when collection is null?
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Well, the short answer is "because that's the way the compiler designers designed it." Realistically, though, your collection object is null, so there's no way for the compiler to get the enumerator to loop through the collection.
If you really need to do something like this, ...
Where are static methods and static variables stored in Java?
...y be allocated on the heap. This might add some information: stackoverflow.com/questions/3800444/…
– Thomas
Dec 5 '11 at 16:01
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TSQL - How to use GO inside of a BEGIN .. END block?
...SS SQLCMD Mode Script (i.e. a master deployment script) that calls (via :r command) other SS Scripts (i.e. sub-deployment scripts) with some of those calls inside if Statements. Oded's, mellamokb's and Andy Joiner's Answers of enclosing all those Statements in exec Calls / begin-end's are non-start...
How can I convert byte size into a human-readable format in Java?
...output entails. (This also seems to be the behavior of for instance the du command in Linux.)
– aioobe
Sep 21 '10 at 14:48
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