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JavaScript OR (||) variable assignment explanation
...otcha' which is that the last one will always get assigned even if they're all undefined, null or false. Setting something you know isn't false, null, or undefined at the end of the chain is a good way to signal nothing was found.
– Erik Reppen
Aug 29 '11 at 1...
Chaining multiple MapReduce jobs in Hadoop
... edited yesterday
Max Niebergall
3855 bronze badges
answered Mar 24 '10 at 22:31
Binary NerdBinary Nerd
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Mercurial undo last commit
How can I undo my last accidentally commited (not pushed) change in Mercurial?
7 Answers
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Dark color scheme for Eclipse [closed]
Is Eclipse at all theme-able? I would like to install a dark color scheme for it, since I much prefer white text on dark background than the other way around.
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Why do we need tuples in Python (or any immutable data type)?
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immutable objects can allow substantial optimization; this is presumably why strings are also immutable in Java, developed quite separately but about the same time as Python, and just about everything is immutable in truly-functional languages.
in...
Is Response.End() considered harmful?
...ered down with the ThreadAbortExceptions from these benign Response.End() calls. I think this is Microsoft's way of saying "Knock it off!".
I would only use Response.End() if there was some exceptional condition and no other action was possible. Maybe then, logging this exception might actually i...
Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
...rrect; you cannot truncate a table which has an FK constraint on it.
Typically my process for this is:
Drop the constraints
Trunc the table
Recreate the constraints.
(All in a transaction, of course.)
Of course, this only applies if the child has already been truncated. Otherwise I go a differ...
Simple way to find if two different lists contain exactly the same elements?
...he specified object is
also a list, both lists have the same
size, and all corresponding pairs of
elements in the two lists are equal.
(Two elements e1 and e2 are equal if
(e1==null ? e2==null :
e1.equals(e2)).) In other words, two
lists are defined to be equal if they
contain the sa...
Exclude .svn directories from grep [duplicate]
...n directories. Is it possible to recursively grep a directory, but exclude all results from .svn directories?
11 Answers
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Type List vs type ArrayList in Java [duplicate]
...tations of the List interface can be swapped. It seems that (1) is typically used in an application regardless of need (myself I always use this).
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