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Permutations in JavaScript?
...plice(i, 0, ch);
usedChars.pop();
}
return permArr
};
docum>me m>nt.write(JSON.stringify(permute([5, 3, 7, 1])));
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Why is XOR the default way to combine hashes?
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Greg, this is an awesom>me m> answer. The light bulb went on for m>me m> after I saw your original answer and wrote out my own truth tables. I considered @Massa's answer about how there are 6 suitable operations for maintaining the distribution. And while a...
Definition of a Balanced Tree
I am just wondering if som>me m>one might be able to clarify the definition of a balanced tree for m>me m>. I have that "a tree is balanced if each sub-tree is balanced and the height of the two sub-trees differ by at most one.
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How to write LDAP query to test if user is m>me m>mber of a group?
I want to write an LDAP query which tests whether a user (sAMAccountNam>me m>) is a m>me m>mber of a particular group. Is it possible to do that so that I get either 0 or 1 result records?
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How to use NSJSONSerialization
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Your root json object is not a dictionary but an array:
[{"id": "1", "nam>me m>":"Aaa"}, {"id": "2", "nam>me m>":"Bbb"}]
This might give you a clear picture of how to handle it:
NSError *e = nil;
NSArray *jsonArray = [NSJSONSerialization JSONObjectWithData: data options: NSJSONReadingMutableContainers e...
How to pass a user defined argum>me m>nt in scrapy spider
I am trying to pass a user defined argum>me m>nt to a scrapy's spider. Can anyone suggest on how to do that?
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Determine distance from the top of a div to top of window with javascript
...he pixel distance to the top of the current screen, not the top of the docum>me m>nt. I've tried a few things like .offset() and .offsetHeight , but I just can't wrap my brain around it. Thanks!
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Why does 'continue' behave like 'break' in a Foreach-Object?
...ultiple of 7"
}
There is a gotcha to be kept in mind when refactoring. Som>me m>tim>me m>s one wants to convert a foreach statem>me m>nt block into a pipeline with a ForEach-Object cmdlet (it even has the alias foreach that helps to make this conversion easy and make mistakes easy, too). All continues should be ...
Set width of TextView in terms of characters
...e maxEms as well.
So Kyle's answer on this thread, although wrong, caused m>me m> to find the answer, so thanks Kyle.
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Disable all gcc warnings
I'm working on a project that will read compiler error m>me m>ssages of a particular variety and do useful things with them. The sample codebase I'm testing this on (a random open-source application), and hence rebuilding frequently, contains a few bits that generate warnings, which are of no interest to...