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deciding among subprocess, multiprocessing, and thread in Python?

...tive). (For the current status of Twisted support for Python 3, check out: https://twistedmatrix.com/documents/current/core/howto/python3.html) The distributed option: Yet another realm of processing you haven't asked about, but which is worth considering, is that of distributed processing. There a...
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Set value to NULL in MySQL

I want a value to be set to NULL if nothing is put into the text box in the form I'm submitting. How can I make this happen? I've tried inserting 'NULL' but this just adds the word NULL into the field. ...
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Removing first x characters from string?

How might one remove the first x characters from a string? For example, if one had a string lipsum , how would they remove the first 3 characters and get a result of sum ? ...
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What is the (best) way to manage permissions for Docker shared volumes?

...dd a command to Dockerfile RUN usermod -u 1000 www-data credits goes to https://github.com/denderello/symfony-docker-example/issues/2#issuecomment-94387272 share | improve this answer | ...
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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...

...,这个方法不能恢复你的数据。my.ini的设置为 innodb_file_per_table = 1。 参考 http://blog.chinaunix.net/uid-24111901-id-2627876.html 1、找回表结构,如果表结构没有丢失直接到下一步 a、先创建一个数据库,这个数据库必须是没有表和任何...
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How to read a large file - line by line?

... The correct, fully Pythonic way to read a file is the following: with open(...) as f: for line in f: # Do something with 'line' The with statement handles opening and closing the file, including if an exception is raised in the i...
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Undo scaffolding in Rails

... already run the migrations generated by the scaffold command, you have to perform a rollback first. rake db:rollback You can create scaffolding using: rails generate scaffold MyFoo (or similar), and you can destroy/undo it using rails destroy scaffold MyFoo That will delete all the files...
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Remove plot axis values

...f there is a way to get rid of axis values, either the x-axis or y-axis respectively, in an r-plot graph. 5 Answers ...
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How to copy files across computers using SSH and MAC OS X Terminal [closed]

I'm trying to copy my .profile, .rvm and .ssh folders/files to a new computer and keep getting a "not a regular file" response. I know how to use the cp and ssh commands but I'm not sure how to use them in order to transfer files from one computer to another. ...
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Check if all checkboxes are selected

... share | improve this answer | follow | edited Jun 4 '15 at 21:04 MasterAM 14.3k66...