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Calculating Distance between two Latitude and Longitude GeoCoordinates
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edited Aug 21 '16 at 7:32
Tomas Kubes
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How do I create a namespace package in Python?
...rate downloads. For example, with the directories Package-1 and Package-2 in PYTHONPATH ,
5 Answers
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Select first row in each GROUP BY group?
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On Oracle 9.2+ (not 8i+ as originally stated), SQL Server 2005+, PostgreSQL 8.4+, DB2, Firebird 3.0+, Teradata, Sybase, Vertica:
WITH summary AS (
SELECT p.id,
p.customer,
p.total,
ROW_NUMBER() OV...
Diff output from two programs without temporary files
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Use <(command) to pass one command's output to another program as if it were a file name. B...
Overriding a Rails default_scope
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152
Short answer: Do not use default_scope unless you really have to. You'll probably be better off...
Mercurial stuck “waiting for lock”
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492
When "waiting for lock on repository", delete the repository file: .hg/wlock (or it may be in .h...
Is it possible to allow didSet to be called during initialization in Swift?
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edited Nov 20 '19 at 11:46
Nik Kov
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What is the PostgreSQL equivalent for ISNULL()
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edited Jan 14 '12 at 2:28
Erwin Brandstetter
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How does functools partial do what it does?
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227
Roughly, partial does something like this (apart from keyword args support etc):
def partial(...