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How do I parallelize a simple Python loop?
...ool = multiprocessing.Pool(4)
out1, out2, out3 = zip(*pool.map(calc_stuff, range(0, 10 * offset, offset)))
Note that this won't work in the interactive interpreter.
To avoid the usual FUD around the GIL: There wouldn't be any advantage to using threads for this example anyway. You want to use pr...
C++11 features in Visual Studio 2012
...Strong compare and exchange
Bi-directional fences
Data-dependency ordering
Range-based for loop
In early November 2012, Microsoft announced the Visual C++ Compiler November 2012 CTP, which adds more C++11 functionality to Visual Studio 2012:
uniform initialization
initializer lists
variadic tem...
How to verify Facebook access token?
...[
"email",
"publish_actions"
],
"user_id": 1207059
}
}
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mysql query order by multiple items
...
SELECT id, user_id, video_name
FROM sa_created_videos
ORDER BY LENGTH(id) ASC, LENGTH(user_id) DESC
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What is the Linux equivalent to DOS pause?
...e, and non-US keyboards have keys that send characters outside the \1-\177 range. dd is the idiomatic way here.
– Stephane Chazelas
Jun 4 '14 at 20:51
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NoSQL - MongoDB vs CouchDB [closed]
...sic queries you can do on the views like asking for a specific key (ID) or range of IDs regardless of what your map/reduce function does.
Read through these slides, it's the best clarification of map/reduce in Couch I've seen.
So both of these sources use JSON documents, but CouchDB follows this m...
Which C++ idioms are deprecated in C++11?
...
Actually there is a good excuse. You're using Boost.Range's algorithms, which are much nicer ;)
– Nicol Bolas
Feb 15 '12 at 18:42
10
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What do we mean by Byte array? [closed]
... byte, the second byte etc..
Just as bytes can encode different types and ranges of data (numbers from 0 to 255, numbers from -128 to 127, single characters using ASCII e.g. 'a' or '%', CPU op-codes), each byte in a byte array may be any of these things, or contribute to some multi-byte values such...
Bin size in Matplotlib (Histogram)
... 50, 100])
If you just want them equally distributed, you can simply use range:
plt.hist(data, bins=range(min(data), max(data) + binwidth, binwidth))
Added to original answer
The above line works for data filled with integers only. As macrocosme points out, for floats you can use:
import nu...
What's the best way to bundle static resources in a Go program? [closed]
... != nil {
panic(err)
}
fmt.Print("var imgdata = []byte{")
for i, v := range imgdata {
if i > 0 {
fmt.Print(", ")
}
fmt.Print(v)
}
fmt.Println("}")
Example output if the file would contain bytes from 0 to 16 (try it on the Go Playground):
var imgdata = []byte{0, 1, 2, 3...