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Coroutine vs Continuation vs Generator

...been initially called, whereas a generator can't. It's a bit difficult to come up with a trivial example of where you'd use coroutines, but here's my best try. Take this (made up) Python code as an example. def my_coroutine_body(*args): while True: # Do some funky stuff *args...
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Generate array of all letters and digits

... @Zabba, you just indicated it in your comment ..) – Nakilon Jan 31 '11 at 1:56 3 ...
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JSTL in JSF2 Facelets… makes sense?

...e executed during view build time, while JSF <h:xxx> tags are all UI components and they are executed during view render time. Note that from JSF's own <f:xxx> and <ui:xxx> tags only those which do not extend from UIComponent are also taghandlers, e.g. <f:validator>, <ui...
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Set value of hidden input with jquery

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Postgresql - change the size of a varchar column to lower length

I have a question about the ALTER TABLE command on a really large table (almost 30 millions rows). One of its columns is a varchar(255) and I would like to resize it to a varchar(40) . Basically, I would like to change my column by running the following command: ...
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Why does direction of index matter in MongoDB?

... MongoDB concatenates the compound key in some way and uses it as the key in a BTree. When finding single items - The order of the nodes in the tree is irrelevant. If you are returning a range of nodes - The elements close to each other will be dow...
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How can I profile Python code line-by-line?

... Here's the decorator I wrote: gist.github.com/kylegibson/6583590. If you're running nosetests, be sure to use the -s option so stdout is printed immediately. – Kyle Gibson Sep 16 '13 at 17:14 ...
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Data Modeling with Kafka? Topics and Partitions

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How do I create a crontab through a script

...diting files manually. I'm planning to create some cron jobs via automated command line, and if editing this file is both the only option, and without significant side effects, I don't see why I shouldn't use it. – Balmipour Jan 20 '17 at 11:20 ...
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difference between primary key and unique key

...ultiple columns, e.g. Primary key (CustomerID, ProductID). This is called composite primary key. This is to clarify the first point, as it might be take as it is (read one key => one column ) by new comer to sql : ) – ken Apr 10 '14 at 13:53 ...