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rpm -ivh http://mirrors.aliyun.com/centos/6/os/x86_64/Packages/python-iniparse-0.3.1-2.1.el6.noarch.rpm
rpm -ivh http://mirrors.aliyun.com/centos/6/os/x86_64/Packages/yum-metadata-parser-1.1.2-16.el6.x86_64.rpm
rpm -ivh http://mirrors.aliyun.com/centos/6/os/x86_64/Packages/yum-3.2.29...
Generator Expressions vs. List Comprehension
...u use generator expressions and when should you use list comprehensions in Python?
9 Answers
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What is the difference between an interface and abstract class?
...while in PHP, interfaces are abstract classes with no method declared.
In Python, abstract classes are more a programming trick you can get from the ABC module and is actually using metaclasses, and therefore classes. And interfaces are more related to duck typing in this language and it's a mix be...
E731 do not assign a lambda expression, use a def
... original 2 lines with no increase in readability and no increase in being pythonic. At this point the code checker complains about the function not having docstrings.
In my opinion this rule better be avoided and broken when it makes sense, use your judgement.
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How can I read and parse CSV files in C++?
...file with ten fields per line takes around 8 seconds on my 2 GHz Xeon. The Python Standard Library csv module parses the same file in about 0.3 seconds.
– Rob Smallshire
Jun 27 '12 at 7:59
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What is the recommended way to delete a large number of items from DynamoDB?
...ise this is old, and the OP didn't mention a specific language SDK, but in Python there is a high level batch_writer() as part of the boto3.resource.Table API that will "automatically handle buffering and sending items in batches. In addition, the batch writer will also automatically handle any unpr...
Managing CSS Explosion
... as the firefox extension Dust-Me Selectors (tip: point it to your sitemap.xml) to help you find some of the junk hidden in your css nukes and carnies.
Keep a unsorted.css file
Say you are styling a QA site, and you already have a stylesheet for the "answers page", which we will call answers.css....
CORS: Cannot use wildcard in Access-Control-Allow-Origin when credentials flag is true
...igin') );
next();
});
I don't know what that would look like with your python setup but that should be easy to translate.
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How to think in data stores instead of databases?
... probably by addition of Java support. Try: code.google.com/appengine/docs/python/datastore/…
– Spike0xff
Jun 2 '09 at 5:17
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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
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This works for me in python 2.7
select some_date::DATE from some_table;
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