大约有 47,000 项符合查询结果(耗时:0.0271秒) [XML]

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ERROR: permission denied for sequence cities_id_seq using Postgres

... Since PostgreSQL 8.2 you have to use: GRANT USAGE, SELECT ON SEQUENCE cities_id_seq TO www; GRANT USAGE - For sequences, this privilege allows the use of the currval and nextval functions. Also as pointed out by @epic_fil in the comments you can grant permissions to all th...
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How to get Linux console window width in Python

...ly universal on linux. It opens the 'stty size' command as a file, 'reads' from it, and uses a simple string split to separate the coordinates. Unlike the os.environ["COLUMNS"] value (which I can't access in spite of using bash as my standard shell) the data will also be up-to-date whereas I believ...
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How do I find out my python path using python?

...d out which directories are listed in my system’s PYTHONPATH variable, from within a Python script (or the interactive shell)? ...
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ADB No Devices Found

...the same problem on a LG G3 Device that was not getting detected on a Mac. Selecting PTP mode fixed it. Thanks! – shauvik Jul 10 '15 at 23:40  |  ...
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How can I find script's directory with Python? [duplicate]

... This won't work if you're running from inside an interpreter, since you'll get NameError: name '__file__' is not defined – Ehtesh Choudhury Feb 26 '14 at 21:01 ...
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Reading and writing environment variables in Python? [duplicate]

... I try this approach in mac os, the environment variables aren't available from the shell. only python can read the environment variables set this way. – openCivilisation Mar 16 '19 at 9:47 ...
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How to detect the OS from a Bash script?

... Why do you set platform from unamestr, instead of just using unamestr? – csexton Dec 26 '08 at 22:14 80 ...
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Correct way to write line to file?

...ith open('somefile.txt', 'a') as the_file: the_file.write('Hello\n') From The Documentation: Do not use os.linesep as a line terminator when writing files opened in text mode (the default); use a single '\n' instead, on all platforms. Some useful reading: The with statement open() 'a...
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UITextField auto-capitalization type - iPhone App

...nspector of the interface builder when you have the appropriate text field selected: "Capitalization" is the first option in this group, just passed picking the minimum font size for the text field. share | ...
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Eclipse error: “The import XXX cannot be resolved”

... might be a JRE issue. Try selecting an "alternate JRE" in the project properties. – dogbane Dec 1 '10 at 10:17 10 ...