大约有 41,000 项符合查询结果（耗时：0.0392秒） [XML]
Explicitly select items from a list or tuple
...[87, 342, 217, 998, 500] )
I compared the answers with python 2.5.2:
19.7 usec: [ myBigList[i] for i in [87, 342, 217, 998, 500] ]
20.6 usec: map(myBigList.__getitem__, (87, 342, 217, 998, 500))
22.7 usec: itemgetter(87, 342, 217, 998, 500)(myBigList)
24.6 usec: list( myBigList[i] for i in [87...
“ImportError: No module named” when trying to run Python script
...gle answer.
– michael
Jul 15 '17 at 19:45
@michael that answer is about importing Python modules in the general case; ...
How to add column if not exists on PostgreSQL?
...e END $$; instead
– LightSystem
Aug 19 '14 at 16:22
5
Good approach, but why the nested BEGIN/END...
Iterate two Lists or Arrays with one ForEach statement in C#
...a KVP.
– Martín Coll
Jun 12 '13 at 19:17
Note that this method does not dispose its enumerators which could become a ...
Convert string to Python class object?
...
Stevoisiak
13.9k1616 gold badges9191 silver badges153153 bronze badges
answered Jul 24 '09 at 14:32
S.LottS.Lott
...
Get the latest record from mongodb collection
...o look nice
– Anthony
Jan 21 '16 at 19:26
So, what's the difference with this order : db.collection.find().sort({$natu...
Is arr.__len__() the preferred way to get the length of an array in Python?
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edited Oct 30 '19 at 1:20
Ayxan Haqverdili
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...
Xcode build failure “Undefined symbols for architecture x86_64”
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edited Mar 19 '14 at 11:55
python
1,34511 gold badge1414 silver badges3030 bronze badges
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Set attributes from dictionary in python
...Mike Graham
60.5k1212 gold badges8484 silver badges119119 bronze badges
...
How to modify a global variable within a function in bash?
...ure d3 d
capture d4 d
echo $x $d1 $d2 $d3 $d4
still prints
4 20171129-151954 20171129-151954 20171129-151954 20171129-151954
Allow access to the return-code
There is only on bit missing:
v=$(fn) sets $? to what fn returned. So you probably want this, too.
It needs some bigger tweaking, thoug...