大约有 43,300 项符合查询结果（耗时：0.0438秒） [XML]
Android: upgrading DB version and adding new table
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281
1. About onCreate() and onUpgrade()
onCreate(..) is called whenever the app is freshly installe...
scp or sftp copy multiple files with single command
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15 Answers
15
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Can you define aliases for imported modules in Python?
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191
import a_ridiculously_long_module_name as short_name
also works for
import module.submodule...
Are lists thread-safe?
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188
Lists themselves are thread-safe. In CPython the GIL protects against concurrent accesses to t...
How to replace a single word under cursor?
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edited May 23 '17 at 12:26
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answered Jan 9 '13 at 10:48
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I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
I use
Rails 3.0.20 and
ruby 1.8.7 (2011-06-30 patchlevel 352)
4 Answers
4
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Common MySQL fields and their appropriate data types
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71
Someone's going to post a much better answer than this, but just wanted to make the point that p...
Getting current unixtimestamp using Moment.js
... using the following JavaScript function: Math.floor(new Date().getTime()/1000) .
4 Answers
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How to deny access to a file in .htaccess
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189
Within an htaccess file, the scope of the <Files> directive only applies to that directo...
How can I strip first X characters from string using sed?
...nux in a small industrial box. I have a variable containing the text pid: 1234 and I want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
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