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How do you test to see if a double is equal to NaN?
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482
Use the static Double.isNaN(double) method, or your Double's .isNaN() method.
// 1. static meth...
Forward host port to docker container
...DCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
link/ether 22:23:6b:28:6b:e0 brd ff:ff:ff:ff:ff:ff
inet 172.17.42.1/16 scope global docker0
inet6 fe80::a402:65ff:fe86:bba6/64 scope link
valid_lft forever preferred_lft forever
You will need to tell rabbit/mongo to bind to that IP...
How to find indices of all occurrences of one string in another in JavaScript?
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edited Sep 20 '16 at 9:22
answered Aug 4 '10 at 23:05
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Why does SIGPIPE exist?
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112
I don't buy the previously-accepted answer. SIGPIPE is generated exactly when the write fails wi...
JavaScript equivalent of PHP’s die
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edited Sep 2 '09 at 2:04
answered Sep 2 '09 at 1:57
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Can Python test the membership of multiple values in a list?
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203
This does what you want, and will work in nearly all cases:
>>> all(x in ['b', 'a', ...
How to determine if a point is in a 2D triangle? [closed]
Is there an easy way to determine if a point is inside a triangle? It's 2D, not 3D.
25 Answers
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Python syntax for “if a or b or c but not all of them”
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238
If you mean a minimal form, go with this:
if (not a or not b or not c) and (a or b or c):
W...
A semantics for Bash scripts?
...lear that the execution model of a shell is pretty much:
1. Expand words.
2. Assume the first word is a command.
3. Execute that command with the following words as arguments.
Expansion, command resolution, execution. All of the shell's semantics are bound up in one of these three things, althoug...