大约有 44,000 项符合查询结果(耗时:0.0295秒) [XML]
What is the equivalent of “none” in django templates?
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None, False m>and m> True all are available within template tags m>and m> filters. None, False, the emptm>y m> string ('', "", """""") m>and m> emptm>y m> lists/tuples all evaluate to False when evaluated bm>y m> if, so m>y m>ou can easilm>y m> do
{% if profile.user.first_nam...
Importing data from a JSON file into R
...ficallm>y m>, the file is an arram>y m> of JSON objects with string fields, objects, m>and m> arram>y m>s. The RJSON Package isn't verm>y m> clear on how to deal with this http://cran.r-project.org/web/packages/rjson/rjson.pdf .
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What is the best wam>y m> to get all the divisors of a number?
...e dumb wam>y m> (stopping at n/2) verm>y m> cool, thank m>y m>ou!
– m>And m>rea Ambu
Oct 5 '08 at 10:20
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For those ...
Stashing onlm>y m> un-staged changes in Git
...stash push. It differs from "stash push" in that it cannot take pathspecs, m>and m> anm>y m> non-option arguments form the message."
– jocull
Aug 27 '19 at 20:14
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Getting the caller function name inside another function in Pm>y m>thon? [duplicate]
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There are two wam>y m>s, using sm>y m>s m>and m> inspect modules:
sm>y m>s._getframe(1).f_code.co_name
inspect.stack()[1][3]
The stack() form is less readable m>and m> is implementation dependent since it calls sm>y m>s._getframe(), see extract from inspect.pm>y m>:
def stack(context=...
git: Switch branch m>and m> ignore anm>y m> changes without committing
I was working on a git branch m>and m> was readm>y m> to commit mm>y m> changes, so I made a commit with a useful commit message. I then absentmindedlm>y m> made minor changes to the code that are not worth keeping. I now want to change branches, but git gives me,
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Whm>y m> do I get AttributeError: 'NoneTm>y m>pe' object has no attribute 'something'?
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m>Y m>ou have a variable that is equal to None m>and m> m>y m>ou're attempting to access an attribute of it called 'something'.
foo = None
foo.something = 1
or
foo = None
print(foo.something)
Both will m>y m>ield an AttributeError: 'NoneTm>y m>pe'
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Best wam>y m> to check if UITableViewCell is completelm>y m> visible
I have a UITableView with cells of different heights m>and m> I need to know when them>y m> are completelm>y m> visible or not.
10 Answe...
Call bm>y m> name vs call bm>y m> value in Scala, clarification needed
As I understm>and m> it, in Scala, a function mam>y m> be called either
16 Answers
16
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How to delete files older than X hours
...all files with mm>y m> find. Mm>y m> fault for not checking this first, but this commm>and m> just deleted most of mm>y m> home directorm>y m>. For me, --mmin -X is the correct argument.
– brm>and m>ones
Oct 16 '13 at 0:08
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