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“did you run git update-server-info” error on a Github repository
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With newer versions of git you can do this from the command line: git remote set-url origin git@github.com:repoaccountname/repo-name.git
– Arjun Mehta
Apr 9 '14 at 23:14
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Can a div have multiple classes (Twitter Bootstrap) [duplicate]
...th regarding to bootstrap and HTML in general):
<div class="active dropdown-toggle"></div>
Just separate the classes by space.
Also: Keep in mind some bootstrap classes are supposed to be used for the same stuff but in different cases (for example alignment classes, you might want so...
Java 8 forEach with index [duplicate]
...terface Iterable specifies this behaviour for all classes unless otherwise documented. Apparently it works for all implementations of Iterable from the standard library, and changing this behaviour in the future would break backward-compatibility.
If you are working with Streams instead of Collecti...
C++ STL Vectors: Get iterator from index?
...centRobert: Other way around. Pointers are valid implementations of STL random iterators, the most powerful category. But other, less powerful categories such as forward iterators do not support the same arithmetic.
– MSalters
Jan 3 '13 at 9:29
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How to process POST data in Node.js?
How do you extract form data ( form[method="post"] ) and file uploads sent from the HTTP POST method in Node.js ?
28 Ans...
What is the meaning of the term “thread-safe”?
Does it mean that two threads can't change the underlying data simultaneously? Or does it mean that the given code segment will run with predictable results when multiple threads are executing that code segment?
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Find full path of the Python interpreter?
How do I find the full path of the currently running Python interpreter from within the currently executing Python script?
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When should I use UNSIGNED and SIGNED INT in MySQL?
...nges of values each INTEGER type can store:
Source: http://dev.mysql.com/doc/refman/5.6/en/integer-types.html
UNSIGNED ranges from 0 to n, while signed ranges from about -n/2 to n/2.
In this case, you have an AUTO_INCREMENT ID column, so you would not have negatives. Thus, use UNSIGNED. If you d...
Django URL Redirect
How can I redirect traffic that doesn't match any of my other URLs back to the home page?
5 Answers
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Finding duplicates in O(n) time and O(1) space
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This is what I came up with, which doesn't require the additional sign bit:
for i := 0 to n - 1
while A[A[i]] != A[i]
swap(A[i], A[A[i]])
end while
end for
for i := 0 to n - 1
if A[i] != i then
print A[i]
end if
end for
Th...