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Return JSON response from Flask view
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def summary():
d = make_summary()
return jsonify(d)
As of Flask 0.11, you can pass any JSON-serializable type, not just dict, as the top level object.
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Programmatically retrieve memory usage on iPhone
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NSLog(@"Memory in use (in MiB): %f", ((CGFloat)info.resident_size / 1048576));
} else {
NSLog(@"Error with task_info(): %s", mach_error_string(kerr));
}
}
There is also a field in the structure info.virtual_size which will give you the number of bytes available virtual memory (or mem...
Random / noise functions for GLSL
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+100
For very simple pseudorandom-looking stuff, I use this oneliner that I found on the internet somewhere:
float rand(vec2 co){
ret...
Calculate distance between two points in google maps V3
...e the Haversine formula:
var rad = function(x) {
return x * Math.PI / 180;
};
var getDistance = function(p1, p2) {
var R = 6378137; // Earth’s mean radius in meter
var dLat = rad(p2.lat() - p1.lat());
var dLong = rad(p2.lng() - p1.lng());
var a = Math.sin(dLat / 2) * Math.sin(dLat / 2)...
Django dump data for a single model?
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edited Oct 17 '16 at 0:09
the Tin Man
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What is the best way to implement constants in Java? [closed]
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403
votes
That is perfectly acceptable, probably even the standard.
(public/private) ...
sed one-liner to convert all uppercase to lowercase?
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edited May 10 '18 at 15:04
Community♦
111 silver badge
answered Jan 3 '11 at 1:52
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.NET / C# - Convert char[] to string
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answered Aug 24 '09 at 18:39
Joel CoehoornJoel Coehoorn
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What is the difference between AF_INET and PF_INET in socket programming?
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answered Jul 18 '11 at 18:20
DamonDamon
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How do I format a date with Dart?
... How do I do that? I want to turn the date into a string, something like "2013-04-20".
11 Answers
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