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For i = 0, why is (i += i++) equal to 0?
...e variable.
The value of x is saved.
The selected operator is invoked with the saved value of x as its argument.
The value returned by the operator is stored in the location given by the evaluation of x.
The saved value of x becomes the result of the operation.
Note that due to order...
Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]
I'm looking for a stand-alone full-text search server with the following properties:
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Python memoising/deferred lookup property decorator
... these attributes to have their database lookups be deferred, ie. not be initialised in the constructor but only upon first read. These attributes do not change over the lifetime of the instance, but they're a real bottleneck to calculate that first time and only really accessed for special cases. H...
How to solve the “failed to lazily initialize a collection of role” Hibernate exception
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edited May 23 '17 at 12:34
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answered Jul 31 '12 at ...
Parse large JSON file in Nodejs
...and I need to read the file, create each of the objects, and do something with them (insert them into a db in my case). The JavaScript objects can be represented a format:
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What's the Point of Multiple Redis Databases?
...e of the keys command on one specific kind of data, and wanted to separate it to make that faster.
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What is pip's equivalent of `npm install package --save-dev`?
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There isn't an equivalent with pip.
Best way is to pip install package && pip freeze > requirements.txt
You can see all the available options on their documentation page.
If it really bothers you, it wouldn't be too difficult to write a ...
Correct Bash and shell script variable capitalization
I run across many shell scripts with variables in all caps, and I've always thought that there is a severe misunderstanding with that. My understanding is that, by convention (and perhaps by necessity long ago), environment variables are in all-caps.
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Rotating a two-dimensional array in Python
In a program I'm writing the need to rotate a two-dimensional array came up. Searching for the optimal solution I found this impressive one-liner that does the job:
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What does do?
What's the difference if one web page starts with
12 Answers
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