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Find duplicate lines in a file and count how many time each line was duplicated?
...at should do the trick in O(n) * avg_line_len. Does anyone know such a commandline tool?
– Droggl
Nov 20 '13 at 17:27
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Fastest Way to Find Distance Between Two Lat/Long Points
...have just under a million locations in a mysql database all with longitude and latitude information.
15 Answers
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Cosine Similarity between 2 Number Lists
...ity between two lists , let's say for example list 1 which is dataSetI and list 2 which is dataSetII . I cannot use anything such as numpy or a statistics module. I must use common modules (math, etc) (and the least modules as possible, at that, to reduce time spent).
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Deleting array elements in JavaScript - delete vs splice
...ice(start, deleteCount) actually removes the element, reindexes the array, and changes its length.
> myArray = ['a', 'b', 'c', 'd']
["a", "b", "c", "d"]
> myArray.splice(0, 2)
["a", "b"]
> myArray
["c", "d"]
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Is there a way to measure how sorted a list is?
...Formally, let A(1), A(2), ..., A(n) be a sequence of n numbers.If i < j and A(i) > A(j), then the pair (i,j) is called an inversion of A.
The inversion number of a sequence is one common measure of its sortedness.Formally, the inversion number is defined to be the number of inversions, that is...
Generating v5 UUID. What is name and namespace?
I've read the man page, but I do not undestand what name and namespace are for.
3 Answers
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Is there any way to create a blank solution (.sln) file first and then add projects?
...ys annoyed me because (to my knowledge) you cannot create a solution first and then add new/existing projects to it. The only way I know how to create a solution is to create a project and specify the solution name for it.
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How do I create a namespace package in Python?
...aries as separate downloads. For example, with the directories Package-1 and Package-2 in PYTHONPATH ,
5 Answers
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SQL Server add auto increment primary key to existing table
...lues when you do this:
ALTER TABLE dbo.YourTable
ADD ID INT IDENTITY
and then you can make it the primary key:
ALTER TABLE dbo.YourTable
ADD CONSTRAINT PK_YourTable
PRIMARY KEY(ID)
or if you prefer to do all in one step:
ALTER TABLE dbo.YourTable
ADD ID INT IDENTITY
CONSTRA...
EC2 Can't resize volume after increasing size
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Thank you Wilman your commands worked correctly, small improvement need to be considered if we are increasing EBSs into larger sizes
Stop the instance
Create a snapshot from the volume
Create a new volume based on the snapshot increasing the size
Ch...