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Why is quicksort better than mergesort?
...ce an algorithm’s runtime, and, when taking them all together, quicksort wins out.
In particular, the often-quoted runtime of sorting algorithms refers to the number of comparisons or the number of swaps necessary to perform to sort the data. This is indeed a good measure of performance, especial...
Linux command to print directory structure in the form of a tree
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answered Aug 11 '10 at 6:04
craftycrafty
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Getting a slice of keys from a map
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– Vinay Pai
Aug 8 '18 at 22:10
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Sort hash by key, return hash in Ruby
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Is bool a native C type?
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Does this mean _Bool takes up 1 bit of memory?
– Geremia
Feb 1 '16 at 22:39
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Safely remove migration In Laravel
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answered Jun 1 '13 at 10:19
Jason LewisJason Lewis
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How do I convert Long to byte[] and back in java
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I tested the ByteBuffer method against plain bitwise operations but the latter is significantly faster.
public static byte[] longToBytes(long l) {
byte[] result = new byte[8];
for (int i = 7; i >= 0; i--) {
result[i] = (byte)(l & 0xFF);
l...
Executing JavaScript without a browser?
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edited May 23 '17 at 12:10
Community♦
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answered May 31 '10 at 5:12
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Using Django time/date widgets in custom form
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edited May 23 '17 at 10:31
Community♦
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answered Sep 2 '08 at 6:10
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Insert into … values ( SELECT … FROM … )
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answered Jan 10 '14 at 23:46
kylie.akylie.a
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