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Statistics: combinations in Python
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Jouni K. SeppänenJouni K. Seppänen
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Better explanation of when to use Imports/Depends
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answered Dec 26 '11 at 20:25
Josh O'BrienJosh O'Brien
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Principal component analysis in Python
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ChristopheDChristopheD
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How to get the command line args passed to a running process on unix/linux systems?
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jpaugh
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answered May 4 '09 at 20:26
markus_bmarkus_b
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to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
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Ben SandofskyBen Sandofsky
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What's the difference between a catalog and a schema in a relational database?
...ormation Schema.
Database Language SQL, (Proposed revised text of DIS 9075), p 45
From the SQL point of view :
A catalog is often synonymous with database. In most SQL dbms, if you query the information_schema views, you'll find that values in the "table_catalog" column map to the name of a d...
How to atomically delete keys matching a pattern using Redis
...r of keys: EVAL "local keys = redis.call('keys', ARGV[1]) \n for i=1,#keys,5000 do \n redis.call('del', unpack(keys, i, math.min(i+4999, #keys))) \n end \n return keys" 0 prefix:*
– sheerun
Aug 19 '14 at 23:12
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Regex group capture in R with multiple capture-groups
...ps in a regex
– smci
Mar 26 '14 at 15:49
How can I just print only the captured groups for [,1] ?
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adding noise to a signal in python
...lAkavall
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
...Counter({'a':1, 'b':2, 'c':3})
>>> B = Counter({'b':3, 'c':4, 'd':5})
>>> A + B
Counter({'c': 7, 'b': 5, 'd': 5, 'a': 1})
Counters are basically a subclass of dict, so you can still do everything else with them you'd normally do with that type, such as iterate over their keys and...