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How to randomly sort (scramble) an array in Ruby?
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293
Built in now:
[1,2,3,4].shuffle => [2, 1, 3, 4]
[1,2,3,4].shuffle => [1, 3, 2, 4]
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What is the optimal Jewish toenail cutting algorithm?
...le. Luckily, humans only have five toes per foot*, so there are only 5! = 120 unrestricted sequences.
Python example:
#seq is only valid when consecutive elements in the list differ by at least two.
def isValid(seq):
for i in range(len(seq)-1):
a = seq[i]
b = seq[i+1]
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git working on two branches simultaneously
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Git 2.5+ (Q2 2015) supports this feature!
If you have a git repo cool-app, cd to root (cd cool-app), run git worktree add ../cool-app-feature-A feature/A. This checks out the branch feature/A in it's own new dedicated directory,...
How do I fetch lines before/after the grep result in bash?
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275
You can use the -B and -A to print lines before and after the match.
grep -i -B 10 'error' da...
Return two and more values from a method
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amenthes
2,7672828 silver badges3636 bronze badges
answered Dec 25 '09 at 11:35
Aditya MukherjiAditya Mukherji...
How to catch SQLServer timeout exceptions
...check for a timeout, I believe you check the value of ex.Number. If it is -2, then you have a timeout situation.
-2 is the error code for timeout, returned from DBNETLIB, the MDAC driver for SQL Server. This can be seen by downloading Reflector, and looking under System.Data.SqlClient.TdsEnums for ...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
...e): pass and while(1): pass , but this is actually not the case in python2.7.
3 Answers
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How to pass a single object[] to a params object[]
...at you mean in this case.
Foo((object)new object[]{ (object)"1", (object)"2" }));
As an array is a subtype of object, this all works out. Bit of an odd solution though, I'll agree.
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How to prevent text in a table cell from wrapping
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Jeroen
50.2k2727 gold badges161161 silver badges258258 bronze badges
answered Nov 18 '08 at 21:43
OwenOwen
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Maven: missing net.sf.json-lib
...-lib in the central repository . Copy-pasted the dependency (with version 2.3), and then when I build I get this error:
4 ...