大约有 3,100 项符合查询结果（耗时：0.0169秒） [XML]
How to get item's position in a list?
...ter. Let there is an array of arguments: args = ['x', '-p1', 'v1', '-p2', 'v2']. Then the command args[[i for i, x in enumerate(args) if x == '-p1'][0] + 1] returns 'v1'
– Theodor Keinstein
Aug 15 '14 at 11:20
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How to change a django QueryDict to Python Dict?
...s including authomatic. See my question and my own answer here (works with v2 and v3 of python): stackoverflow.com/questions/37026535/…
– Olivier Pons
May 4 '16 at 12:54
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Drawing an SVG file on a HTML5 canvas
...KKsQ9sTSpc0JK7NwdcX8s43Ek5cnSOLC/Z2R6Rj0ra0w2W1/t0xyWn51uk2Ri1QtSO6OU5d7OSi72cQeWxKG7p/Dp//JXTy6C1Pcbc6DMpPRtjTxChEznWhwVZUCKrjCrPoPDczHLmnLBdBgZlRRWUEBR3ZKrme5TlrTGlV440Y1IrXM9qQGi6mkG5V6uza7tUIeCDElTZ1L26elX+fcH/ACJBPYTJ4X8tAAAAAElFTkSuQmCC" height="20px" width="20px" x="10" y="10"></image&g...
Removing pip's cache?
I need to install psycopg2 v2.4.1 specifically. I accidentally did:
17 Answers
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Statistics: combinations in Python
...ersions of scipy). When exact is False, it uses the gammaln function to obtain good precision without taking much time. In the exact case it returns an arbitrary-precision integer, which might take a long time to compute.
sh...
How to get back to most recent version in Git?
... @Nathan: In git a branch is really mostly a movable pointer to a certain revision. So conceptually, you're sort of creating a branch, but not in the sense that git thinks of branches.
– DLH
Aug 24 '10 at 17:26
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List comprehension rebinds names even after scope of comprehension. Is this right?
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List comprehensions leak the loop control variable in Python 2 but not in Python 3. Here's Gui...
How do I run only specific tests in Rspec?
...superbly documented here. See the --tag option section for details.
As of v2.6 this kind of tag can be expressed even more simply by including the configuration option treat_symbols_as_metadata_keys_with_true_values, which allows you to do:
describe "Awesome feature", :awesome do
where :awesome i...
Python - Create list with numbers between 2 values?
... answered Aug 16 '13 at 4:47
v2bv2b
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Ruby convert Object to Hash
...official documentation (like the ruby CHANGELOG, github.com/ruby/ruby/blob/v2_1_0/NEWS) uses # for instance methods and the dot for class methods pretty consistently.
– levinalex
Apr 14 '15 at 16:25
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