大约有 40,000 项符合查询结果(耗时:0.0510秒) [XML]
os.walk without digging into directories below
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Does this function actually "walk" through the whole structure and then delete the entries below a certain point? Or is something more clever going on? I'm not even sure how to check this with code. --python beginner
– mathtic...
Environment variables for java installation
...r-unique-entries does not contain any other references to another Java installation folder.
Note for Windows users on 64-bit systems:
Progra~1 = 'Program Files'
Progra~2 = 'Program Files(x86)'
Notice that these environment variables are derived from the "root" environment variable JAVA_HOME...
Are the PUT, DELETE, HEAD, etc methods available in most web browsers?
...eation of a new web
page resource, the updating of the existing page, or all of the
mentioned outcomes.
The keyword dialog, mapping to the state dialog, indicating that
submitting the form is intended to close the dialog box in which the
form finds itself, if any, and otherwise not subm...
git: How to diff changed files versus previous versions after a pull?
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There are all kinds of wonderful ways to specify commits - see the specifying revisions section of man git-rev-parse for more details. In this case, you probably want:
git diff HEAD@{1}
The @{1} means "the previous position of the r...
Preserving order with LINQ
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Actually, I think Distinct preserves original (first found) order - so {1,2,1,3,1,3,4,1,5} would be {1,2,3,4,5}
– Marc Gravell♦
Oct 15 '08 at 14:33
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How efficient is locking an unlocked mutex? What is the cost of a mutex?
... access to the object happens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking.
How efficient is it to lock a mutex? I.e. how much assembler instructions are there likely and how much time do they take (...
What's the recommended approach to resetting migration history using Django South?
...inted out by @thnee below. Since your
answer has so many upvotes I'd really appreciate it if you could edit
it and add at least a warning about this, or (even better) change it
to reflect @hobs approach (which is just as convenient, but doesn't
affect other apps) - thanks! – chris...
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
...T is obtained from the HTTP request header and this is what the client actually used as "target host" of the request. The SERVER_NAME is defined in server config. Which one to use depends on what you need it for. You should now however realize that the one is a client-controlled value which may thus...
iReport not starting using JRE 8
I have downloaded and installed the iReport 4.5 using te Windows installer. But when I try to start the iReport it shows the splash screen but does not start.
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How to filter a dictionary according to an arbitrary condition function?
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And here is a good explanation why the function call dict() is slower than the constructor/literal syntax {} doughellmann.com/2012/11/…
– dorvak
Jul 10 '13 at 9:37
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