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How to convert a NumPy array to PIL image applying matplotlib colormap
...irst ensure your NumPy array, myarray, is normalised with the max value at 1.0.
Apply the colormap directly to myarray.
Rescale to the 0-255 range.
Convert to integers, using np.uint8().
Use Image.fromarray().
And you're done:
from PIL import Image
from matplotlib import cm
im = Image.fromarray(n...
count members with jsonpath?
...)
I.e. to test that API returns an array of 4 items:
accepted value: [1,2,3,4]
mockMvc.perform(get(API_URL))
.andExpect(jsonPath("$", hasSize(4)));
to test that API returns an object containing 2 members:
accepted value: {"foo": "oof", "bar": "rab"}
mockMvc.perform(get(API_URL))
...
Javascript: get package.json data in gulpfile.js
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116
Don't use require('./package.json') for a watch process. Using require will resolve the module...
Update or Insert (multiple rows and columns) from subquery in PostgreSQL
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176
For the UPDATE
Use:
UPDATE table1
SET col1 = othertable.col2,
col2 = othertable.c...
Can I use multiple “with”?
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answered Mar 21 '11 at 9:21
Tomek SzpakowiczTomek Szpakowicz
11.3k22 gold badges3030 silver badges5454 bronze badges
...
Detecting iOS / Android Operating system
...oid";
}
// iOS detection from: http://stackoverflow.com/a/9039885/177710
if (/iPad|iPhone|iPod/.test(userAgent) && !window.MSStream) {
return "iOS";
}
return "unknown";
}
share
...
C#: List All Classes in Assembly
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153
Use Assembly.GetTypes. For example:
Assembly mscorlib = typeof(string).Assembly;
foreach (Typ...
warning: implicit declaration of function
... a declaration ("prototype") yet.
For example:
int main()
{
fun(2, "21"); /* The compiler has not seen the declaration. */
return 0;
}
int fun(int x, char *p)
{
/* ... */
}
You need to declare your function before main, like this, either directly or in a header:
int fun(int ...
How do I show a MySQL warning that just happened?
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answered Aug 1 '09 at 3:22
zombatzombat
84.7k2121 gold badges148148 silver badges160160 bronze badges
...
Django database query: How to get object by id?
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186
If you want to get an object, using get() is more straightforward:
obj = Class.objects.get(pk...