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What does the star operator mean, in a function call?
What does the * operator mean in Python, such as in code like zip(*x) or f(**k) ?
5 Answers
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Haskell: How is pronounced? [closed]
...e (<*>) becomes a way of stringing together a generalized version of zipWith, so perhaps we can imagine calling it fzipWith?
This zipping idea actually brings us full circle. Recall that math stuff earlier, about monoidal functors? As the name suggests, these are a way of combining the stru...
Windows API Code Pack: Where is it? [closed]
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A zip file containing the same files as the original executable self-extractor (i.e. the source, binaries and docs) is located here: https://github.com/jamie-pate/KeepSync/blob/master/contrib/Windows%20API%20Code%20Pack%201.1.z...
How do I loop through a list by twos? [duplicate]
... simplest in my opinion is just this:
it = iter([1,2,3,4,5,6])
for x, y in zip(it, it):
print x, y
Out: 1 2
3 4
5 6
No extra imports or anything. And very elegant, in my opinion.
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How do I associate file types with an iPhone application?
...oftware.molecules.pdb</string>
<string>org.gnu.gnu-zip-archive</string>
</array>
</dict>
</array>
Two images are provided that will be used as icons for the supported types in Mail and other applications capable of showing documents. The...
Convert from ASCII string encoded in Hex to plain ASCII?
...; txt = '7061756c'
>>> ''.join([chr(int(''.join(c), 16)) for c in zip(txt[0::2],txt[1::2])])
'paul'
i'm just having fun, but the important parts are:
>>> int('0a',16) # parse hex
10
>>> ''...
How do I get a list of column names from a psycopg2 cursor?
...o values '''
Record = namedtuple("Record", fields)
mappings = dict(zip(fields, obj))
return Record(**mappings)
cur.execute("Select * FROM people")
colnames = [desc[0] for desc in cur.description]
rows = cur.fetchall()
cur.close()
result = []
for row in rows:
result.append(create_rec...
How to replace a character by a newline in Vim
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I wish this worked for classic vi. On AIX v6.1, \r doesn't work like this. But you can press Ctrl-V Enter in place of typing \r, and it works.
– eksortso
Apr 26 '13 at 19:52
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Enable binary mode while restoring a Database from an SQL dump
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Unzip the file, and then import again.
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What is “pom” packaging in maven?
.... Python doesn't really have artifacts, so simply just wanted to .tar or .zip the python files and push. The repo already had maven integration, so we used <packaging>pom</packaging> designator with the maven assembly plugin to package the python project as a .zip and upload it.
The s...