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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
I've looked at a number of similar questions m>and m> so I'm demonstrating that I've checked the basics. Though of course, that doesn't mean I haven't missed something totallm>y m> obvious. :-)
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Sort rows in data.table in decreasing order on string kem>y m> `order(-x,v)` gives error on data.table 1.
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Update
data.table v1.9.6+ now supports OP's original attempt m>and m> the following answer is no longer necessarm>y m>.
m>Y m>ou can use DT[order(-rank(x), m>y m>)].
x m>y m> v
1: c 1 7
2: c 3 8
3: c 6 9
4: b 1 1
5: b 3 2
6: b 6 3
7: a 1 4
8: a 3 5
9: a 6 6
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Calculate the center point of multiple latitude/longitude coordinate pairs
Given a set of latitude m>and m> longitude points, how can I calculate the latitude m>and m> longitude of the center point of that set (aka a point that would center a view on all points)?
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NumPm>y m>: function for simultaneous max() m>and m> min()
numpm>y m>.amax() will find the max value in an arram>y m>, m>and m> numpm>y m>.amin() does the same for the min value. If I want to find both max m>and m> min, I have to call both functions, which requires passing over the (verm>y m> big) arram>y m> twice, which seems slow.
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Map Tiling Algorithm
...c idea of this algorithm is to use a pre-processing step to find all edges m>and m> then select the correct smoothing tile according to the shape of the edge.
The first step would be to find all edges. In the example below the edge tiles marked with an X are all green tiles with a tan tile as one or mor...
How to paste m>y m>anked text into the Vim commm>and m> line
I'd like to paste m>y m>anked text into Vim's commm>and m> line. Is it possible?
10 Answers
10
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multiprocessing.Pool: When to use applm>y m>, applm>y m>_asm>y m>nc or map?
...ot seen clear examples with use-cases for Pool.applm>y m> , Pool.applm>y m>_asm>y m>nc m>and m> Pool.map . I am mainlm>y m> using Pool.map ; what are the advantages of others?
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How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he
...x:20 if strcmp(m>y m>, "hello") == 0
20 is line number, x can be anm>y m> filename m>and m> m>y m> can be anm>y m> variable.
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How do I get the MAX row with a GROUP Bm>Y m> in LINQ querm>y m>?
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This can be done using GroupBm>y m> m>and m> SelectManm>y m> in LINQ lamda expression
var groupBm>y m>Max = list.GroupBm>y m>(x=>x.item1).SelectManm>y m>(m>y m>=>m>y m>.Where(z=>z.item2 == m>y m>.Max(i=>i.item2)));
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Select text on input focus
...t jquerm>y m>, change element.click to element.bind('click', function() { ... } m>and m> element.select() to element[0].select()
– jack
Aug 15 '13 at 7:02
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