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What's the difference between globals(), locals(), and vars()?

... the same dict each time - it's attached to the stack frame object as its f_locals attribute. The dict's contents are updated on each locals() call and each f_locals attribute access, but only on such calls or attribute accesses. It does not automatically update when variables are assigned, and assi...
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SEH stack 结构探索(1)--- 从 SEH 链的最底层(线程第1个SEH结构)说起 -...

...是什么时候构建的,我在线程启动例程找到答案:ntdll32!_RtlUserThreadStart()里。0:000:x86> uf ntdll32!_Rt...线程的第 1 个 SEH 结构是什么时候构建的,我在线程启动例程找到答案:ntdll32!_RtlUserThreadStart() 里。 0:000:x86> uf ntdll32!_RtlU...
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Two-way encryption: I need to store passwords that can be retrieved

... Personally, I would use mcrypt like others posted. But there is much more to note... How do I encrypt and decrypt a password in PHP? See below for a strong class that takes care of everything for you: What is the safest algorit...
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How to obtain Signing certificate fingerprint (SHA1) for OAuth 2.0 on Android?

...p following the steps in https://developers.google.com/console/help/#installed_applications which leads me to follow http://developer.android.com/tools/publishing/app-signing.html . ...
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How to apply a function to two columns of Pandas dataframe

Suppose I have a df which has columns of 'ID', 'col_1', 'col_2' . And I define a function : 12 Answers ...
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Make sure only a single instance of a program is running

...ode version is available singleton.py. Please file bugs here. You can install tend using one of the following methods: easy_install tendo pip install tendo manually by getting it from http://pypi.python.org/pypi/tendo sh...
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Python's many ways of string formatting — are the older ones (going to be) deprecated?

...ormatting syntax is more flexible and handles tuples and dictionaries naturally, it is recommended for new code. However, there are no current plans to deprecate printf-style formatting. (Emphasis mine.) This phrase was removed later, in commit Close #4966: revamp the sequence docs in order to be...
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使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...onfig) { "ok" : 0, "errmsg" : "couldn't initiate : need all members up to initiate, not ok : 172.17.39.149:27017" } 需要在防火墙配置中打开相应端口: vi /etc/sysconfig/iptables 可以查看集群的详细信息: 每次启动服务的记录: 可...
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`if __name__ == '__main__'` equivalent in Ruby

...f there isn't really a good, clean way of doing this. EDIT: Found it. if __FILE__ == $0 foo() bar() end But it's definitely not common. share | improve this answer | ...
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Hidden features of Perl?

What are some really useful but esoteric language features in Perl that you've actually been able to employ to do useful work? ...