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String to Dictionary in Python
...s JSON! You can deserialize it using the built-in json module if you're on Python 2.6+, otherwise you can use the excellent third-party simplejson module.
import json # or `import simplejson as json` if on Python < 2.6
json_string = u'{ "id":"123456789", ... }'
obj = json.loads(json_string) ...
浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...务器环境内；
·在终端用户设备，连续或按需即时下载。[2]
APM最新发展方向
如果这还没有让APM足够模糊，现在又出现了另一种新方法，即基于网络的 APM，这是一个无代理系统，它充分深入到现有网络设备，观察整个企...
Python concatenate text files
...f 20 file names, like ['file1.txt', 'file2.txt', ...] . I want to write a Python script to concatenate these files into a new file. I could open each file by f = open(...) , read line by line by calling f.readline() , and write each line into that new file. It doesn't seem very "elegant" to me, e...
In Python, how do I convert all of the items in a list to floats?
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map(float, mylist) should do it.
(In Python 3, map ceases to return a list object, so if you want a new list and not just something to iterate over, you either need list(map(float, mylist) - or use SilentGhost's answer which arguably is more pythonic.)
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Compare two MySQL databases [closed]
...ompare utility developed by MySQL themselves which you can use on Windows, Linux or Mac - it can also output SQL statements for both data AND schema changes and does a lot more tests than a simple command line diff could determine.
– Jasdeep Khalsa
Oct 4 '14 at...
OS X Bash, 'watch' command
I'm looking for the best way to duplicate the Linux 'watch' command on Mac OS X. I'd like to run a command every few seconds to pattern match on the contents of an output file using 'tail' and 'sed'.
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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?
...while & (when used with True/False values) tests if both are True.
In Python, empty built-in objects are typically treated as logically False while non-empty built-ins are logically True. This facilitates the common use case where you want to do something if a list is empty and something else i...
Emulate a do-while loop in Python?
I need to emulate a do-while loop in a Python program. Unfortunately, the following straightforward code does not work:
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How exactly does the python any() function work?
In the python docs page for any , the equivalent code for the any() function is given as:
5 Answers
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SSH to Elastic Beanstalk instance
...t the public key, as the answer implies by the .pub extension). For Amazon Linux, the default user name is ec2-user. For RHEL5, the user name is often root but might be ec2-user. For Ubuntu, the user name is ubuntu. For SUSE Linux, the user name is root. Otherwise, check with your AMI provider. (cre...