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Matplotlib scatterplot; colour as a function of a third variable

...matplotlib import pyplot as plt x = [1, 2, 3, 4, 5, 6, 7, 8, 9] y = [125, 32, 54, 253, 67, 87, 233, 56, 67] color = [str(item/255.) for item in y] plt.scatter(x, y, s=500, c=color) plt.show() share | ...
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After submitting a POST form open a new window showing the result

... Add <form target="_blank" ...></form> or form.setAttribute("target", "_blank"); to your form's definition. share | improve this...
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How do I force Postgres to use a particular index?

...of why and what you can do instead can be found here. The reasons are basically that it's a performance hack that tends to cause more problems later down the line as your data changes, whereas PostgreSQL's optimizer can re-evaluate the plan based on the statistics. In other words, what might be a go...
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How can I know when an EditText loses focus?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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Programmatically saving image to Django ImageField

...import File # you need this somewhere import urllib # The following actually resides in a method of my model result = urllib.urlretrieve(image_url) # image_url is a URL to an image # self.photo is the ImageField self.photo.save( os.path.basename(self.url), File(open(result[0], 'rb')) ...
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Change x axes scale in matplotlib

... Carl F.Carl F. 5,29333 gold badges2323 silver badges4141 bronze badges 3 ...
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Best way to initialize (empty) array in PHP

...ferent ways, with the literal grammar not being dogged by the overhead of calling a function. PHP, on the other hand, has language constructs that may look like functions but aren't treated as such. Even with PHP 5.4, which supports [] as an alternative, there is no difference in overhead because...
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What is the difference between integration and unit tests?

I know the so-called textbook definition of unit tests and integration tests. What I am curious about is when it is time to write unit tests... I will write them to cover as many sets of classes as possible. ...
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In Mongoose, how do I sort by date? (node.js)

... You can also sort by the _id field. For example, to get the most recent record, you can do: await db.collection.findOne().sort({ _id: -1 }); – Mike K Feb 8 at 11:00 ...
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How can I get `find` to ignore .svn directories?

...you look at ack ? It's a source-code aware find, and as such will automatically ignore many file types, including source code repository info such as the above. share | improve this answer ...