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Are loops really faster in reverse?
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is it worth to introduce a variable for array.length and use it in the for loop's head?
– ragatskynet
Oct 30 '12 at 10:13
39
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How do you rename a MongoDB database?
There's a typo in my MongoDB database name and I'm looking to rename the database.
10 Answers
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MySQL Server has gone away when importing large sql file
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As stated here:
Two most common reasons (and fixes) for the MySQL server has gone away
(error 2006) are:
Server timed out and closed the connection. How to fix:
check that wait_timeout variable in your mysqld’s my.cnf configuration file is large en...
Does assignment with a comma work?
Why does aaa = 1,2,3 work and set the value of aaa to 1 ?
4 Answers
4
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Are 2^n and n*2^n in the same time complexity?
... answer this question.
The definition is that f(x) belongs to O(g(x)) if and only if the limit limsupx → ∞ (f(x)/g(x)) exists i.e. is not infinity. In short this means that there exists a constant M, such that value of f(x)/g(x) is never greater than M.
In the case of your question let f(n) ...
Checking for a dirty index or untracked files with Git
...;/dev/null| grep "^M" | wc -l)
# Get number of files that are uncommitted and not added
expr $(git status --porcelain 2>/dev/null| grep "^ M" | wc -l)
# Get number of total uncommited files
expr $(git status --porcelain 2>/dev/null| egrep "^(M| M)" | wc -l)
Note: The 2>/dev/null filters...
Is there a UIView resize event?
I have a view that has rows and columns of imageviews in it.
7 Answers
7
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Use basic authentication with jQuery and Ajax
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Won't this leave the username and password out in the open for anyone to see ? Even if its in base64 they can just decode it. Same with the answer below.
– cbron
Aug 13 '14 at 17:32
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Android Spanned, SpannedString, Spannable, SpannableString and CharSequence
Android offers a variety of interfaces all related to text and strings:
Spanned , SpannedString , Spannable , SpannableString and CharSequence .
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Check if two linked lists merge. If so, where?
...wed" it was meant "you may change but in the end they should be restored", and
we could iterate the lists exactly twice
the following algorithm would be the solution.
First, the numbers. Assume the first list is of length a+c and the second one is of length b+c, where c is the length of their co...