大约有 16,000 项符合查询结果（耗时：0.0234秒） [XML]
Unresolved Import Issues with PyDev and Eclipse
... If you set the pydev properties correctly, you don't need to mess with sys.path
– Velociraptors
Jan 8 '11 at 5:14
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How can I see the size of files and directories in linux? [closed]
... ] /cdrom
. 0,0 B [ ] /proc
. 0,0 B [ ] /sys
@ 0,0 B [ ] initrd.img.old
@ 0,0 B [ ] initrd.img
@ 0,0 B [ ] vmlinuz.old
@ 0,0 B [ ] vmlinuz
Delete the currently highlighted element with d, exit with CTRL + c
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How do I print a double value with full precision using cout?
...limits<double>::digits10 + 2) because 2 extra digits are needed when converting from decimal back to the binary representation to ensure the value is rounded to the same original value. Here is a paper with some details: docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
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Glorified classes in the Java language
...icket of code that was originally written with xdoclet processing and then converted to annotations. Oh, how I prefer annotations to that (even though, with suitable maven incantations, the net effect is the same).
– Donal Fellows
Aug 14 '10 at 15:50
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What's the canonical way to check for type in Python?
...ve an object or an array of objects, and I use type-checking internally to convert a single object to a one-element list.
– sastanin
Jan 12 '09 at 11:21
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SQL NVARCHAR and VARCHAR Limits
...sult will be typed as nvarchar(max).
nvarchar(max) + varchar(n) will first convert the varchar(n) input to nvarchar(n) and then do the concatenation. If the length of the varchar(n) string is greater than 4,000 characters the cast will be to nvarchar(4000) and truncation will occur.
Datatypes of s...
How to normalize a NumPy array to within a certain range?
...performed.
If they are not already of floating-point dtype, you'll need to convert them using astype. For example,
image = image.astype('float64')
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Best way to store time (hh:mm) in a database
.... Why spend extra time writing code that loads an int, manipulates it, and converts it into a datetime, when you could just load a datetime?
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Is there anything like inotify on Windows?
With the Linux OS, there is the ionotify subsystem which notifies an application of changes to the filesystem.
8 Answers
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In C#, why is String a reference type that behaves like a value type?
...rence, rather than primitive, type. Plus, if string were a value type then converting it to object would require it to be boxed, a needless inefficiency).
– Qwertie
Jun 25 '10 at 15:50
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