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How would you implement an LRU cache in Java?
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answered Dec 23 '09 at 15:43
Hank GayHank Gay
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How does functools partial do what it does?
... return func(*args)
return wrapper
So, by calling partial(sum2, 4) you create a new function (a callable, to be precise) that behaves like sum2, but has one positional argument less. That missing argument is always substituted by 4, so that partial(sum2, 4)(2) == sum2(4, 2)
As for why it...
How do I shuffle an array in Swift?
...s how to shuffle with a fast and uniform algorithm (Fisher-Yates) in Swift 4.2+ and how to add the same feature in the various previous versions of Swift. The naming and behavior for each Swift version matches the mutating and nonmutating sorting methods for that version.
Swift 4.2+
shuffle and sh...
Numpy where function multiple conditions
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204
The best way in your particular case would just be to change your two criteria to one criterion:...
How to get domain URL and application name?
...lt;html lang="en">
<head>
<title>SO question 2204870</title>
<base href="${fn:substring(url, 0, fn:length(url) - fn:length(uri))}${req.contextPath}/">
<script src="js/global.js"></script>
<link rel="stylesheet" href="css/g...
How to select the last record of a table in SQL?
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14 Answers
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Any way to properly pretty-print ordered dictionaries?
..., but it looks nice and keeps the order.
import json
pprint(data, indent=4)
# ^ugly
print(json.dumps(data, indent=4))
# ^nice
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Structure padding and packing
...l" address boundaries - say, int members would have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following "gaps" into your first structure:
struct mystruct_A {
char a;
char gap_0[3]; /* inserted by compiler: for alignment of b */
int b;
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Best practice: ordering of public/protected/private within the class definition?
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In Clean Code, Robert C. Martin advises coders to always put member variables at the top of the...