大约有 46,000 项符合查询结果(耗时:0.0368秒) [XML]

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How do I prompt for Yes/No/Cancel input in a Linux shell script?

...";; esac done Another method, pointed out by Steven Huwig, is Bash's select command. Here is the same example using select: echo "Do you wish to install this program?" select yn in "Yes" "No"; do case $yn in Yes ) make install; break;; No ) exit;; esac done With sele...
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How to get the directory of the currently running file?

...2017'? It seems time machine has been invented and we have members posting from the future. It is nice to know a future version will have reliable cross platform method, In the meantime we have to stick to currently available solutions. – ljgww Jan 13 '17 at 8:...
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How to fix “Attempted relative import in non-package” even with __init__.py

...etail, given the popularity of this question and answer. Noting stuff like from what directory to execute the above shell command, the fact that you need __init__.pys all the way down, and the __package__-modifying trickery (described below by BrenBarn) needed to allow these imports for executable s...
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How to set the current working directory? [duplicate]

...swer this question. The reputation requirement helps protect this question from spam and non-answer activity. Not the answer you're looking for? Browse other questions t...
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What is the difference between os.path.basename() and os.path.dirname()?

...e tail of the path. E.g.: The basename of '/foo/bar/item' returns 'item' From: http://docs.python.org/2/library/os.path.html#os.path.basename share | improve this answer | ...
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how to check if a file is a directory or regular file in python? [duplicate]

... An educational example from the stat documentation: import os, sys from stat import * def walktree(top, callback): '''recursively descend the directory tree rooted at top, calling the callback function for each regular file''' for...
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How to use mongoimport to import csv

...Chef Tool (3.2+ version). Might help someone in future. You just need to select collection Select file to import You can also unselect data which is going to import. Also many options are there. Collection imported See how to import video ...
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Learn C first before learning Objective-C [closed]

...also reduces the amount of material that has to be learned (and some of it selectively filtered out) to writing Objective-C programs. I do agree that you will want to learn most, if not all, of the underlying C features, but many can be deferred until a solid grasp of defining classes and method...
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Java and SQLite [closed]

... conn.setAutoCommit(true); ResultSet rs = stat.executeQuery("select * from people;"); while (rs.next()) { System.out.println("name = " + rs.getString("name")); System.out.println("job = " + rs.getString("occupation")); } rs.close(); ...
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How to check whether a file is empty or not?

...method, which has the attribute st_size(file size in bytes): >>> from pathlib import Path >>> mypath = Path("path/to/my/file") >>> mypath.stat().st_size == 0 # True if empty share | ...