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What is Rack middleware?
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Rack as Design
Rack middleware is more than "a way to filter a request and response" - it's an implementation of the pipeline design pattern for web servers using Rack.
It very cleanly separates out the different stages of processing a request - separation of concerns being a key goal of all w...
Sending email with attachments from C#, attachments arrive as Part 1.2 in Thunderbird
...erver using SMTP. These arrive fine for Outlook users, but for Thunderbird and Blackberry users the attachments have been renamed as "Part 1.2".
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Scala: Abstract types vs generics
...s Type System
A Conversation with Martin Odersky, Part III
by Bill Venners and Frank Sommers (May 18, 2009)
Update (October2009): what follows below has actually been illustrated in this new article by Bill Venners:
Abstract Type Members versus Generic Type Parameters in Scala (see summary at the ...
in_array() and multidimensional array
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It works great. So how can we search and display array key? For example: $b = array(1 => array("Mac", "NT"), 3 => array("Irix", "Linux"));
– Rashad
Feb 6 '15 at 11:19
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Setting DEBUG = False causes 500 Error
...UG = False , my site will generate 500 (using wsgi & manage.py runserver), and there is no error info in Apache error log and it will run normally when I change debug to True .
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Converting BigDecimal to Integer
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You would call myBigDecimal.intValueExact() (or just intValue()) and it will even throw an exception if you would lose information. That returns an int but autoboxing takes care of that.
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Can I set max_retries for requests.request?
The Python requests module is simple and elegant but one thing bugs me.
It is possible to get a requests.exception.ConnectionError with a message like:
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numpy matrix vector multiplication [duplicate]
...(b)
array([16, 6, 8])
This occurs because numpy arrays are not matrices, and the standard operations *, +, -, / work element-wise on arrays. Instead, you could try using numpy.matrix, and * will be treated like matrix multiplication.
Other Solutions
Also know there are other options:
As no...
Remove xticks in a matplotlib plot?
I have a semilogx plot and I would like to remove the xticks. I tried:
9 Answers
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Python “raise from” usage
What's the difference between raise and raise from in Python?
1 Answer
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