大约有 46,000 项符合查询结果（耗时：0.0636秒） [XML]
How can I convert my device token (NSData) into an NSString?
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iDevAmit
1,21411 gold badge1919 silver badges3030 bronze badges
answered Feb 21 '12 at 5:52
kulsskulss
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In a javascript array, how do I get the last 5 elements, excluding the first element?
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edited Feb 10 at 14:40
answered Jun 24 '11 at 21:18
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C library function to perform sort
...urn -1;
return 0;
}
int main(int argc, char* argv[])
{
int x[] = {4,5,2,3,1,0,9,8,6,7};
qsort (x, sizeof(x)/sizeof(*x), sizeof(*x), comp);
for (int i = 0 ; i < 10 ; i++)
printf ("%d ", x[i]);
return 0;
}
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Can't install Ruby under Lion with RVM – GCC issues
...st questions regarding this problem are due to missing Xcode; I have Xcode 4.2 installed.
16 Answers
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Web Service vs WCF Service
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Olivier De Meulder
2,40233 gold badges2323 silver badges2929 bronze badges
answered Dec 9 '08 at 0:05
rbraybrbrayb
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How do I convert a pandas Series or index to a Numpy array? [duplicate]
...se the values attribute:
In [1]: df = pd.DataFrame({'A': [1, 2, 3], 'B': [4, 5, 6]}, index=['a', 'b', 'c']); df
A B
a 1 4
b 2 5
c 3 6
In [2]: df.index.values
Out[2]: array(['a', 'b', 'c'], dtype=object)
This accesses how the data is already stored, so there's no need for a conversion.
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Order a MySQL table by two columns
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493
Default sorting is ascending, you need to add the keyword DESC to both your orders:
ORDER BY ...
Replace a character at a specific index in a string?
...replaced.
String myName = "domanokz";
String newName = myName.substring(0,4)+'x'+myName.substring(5);
Or you can use a StringBuilder:
StringBuilder myName = new StringBuilder("domanokz");
myName.setCharAt(4, 'x');
System.out.println(myName);
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Removing viewcontrollers from navigation stack
...vigation stack, with say 5 UIViewControllers. I want to remove the 3rd and 4th viewcontrollers in the stack on the click of a button in the 5th viewcontroller. Is it possible to do this? If so how?
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