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Getting a random value from a JavaScript array

...ed in your project you can use _.sample. // will return one item randomly from the array _.sample(['January', 'February', 'March']); If you need to get more than one item randomly, you can pass that as a second argument in underscore: // will return two items randomly from the array using unders...
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JavaScript equivalent to printf/String.Format

... From ES6 on you could use template strings: let soMany = 10; console.log(`This is ${soMany} times easier!`); // "This is 10 times easier! See Kim's answer below for details. Otherwise: Try sprintf() for JavaScript. ...
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How do I put an already-running process under nohup?

...your shell) This allows you to see all the jobs that this shell started." (from [quantprinciple.com/invest/index.php/docs/tipsandtricks/unix/…) – Dr. Jan-Philip Gehrcke Mar 17 '11 at 13:46 ...
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How do I compare version numbers in Python?

... Use packaging.version.parse. >>> from packaging import version >>> version.parse("2.3.1") < version.parse("10.1.2") True >>> version.parse("1.3.a4") < version.parse("10.1.2") True >>> isinstance(version.parse("1.3.a4"), versi...
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Matplotlib: “Unknown projection '3d'” error

...ng using the projection keyword argument: import matplotlib.pyplot as plt from mpl_toolkits.mplot3d import axes3d, Axes3D #<-- Note the capitalization! fig = plt.figure() ax = Axes3D(fig) #<-- Note the difference from your original code... X, Y, Z = axes3d.get_test_data(0.05) cset = ax.con...
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Reload Flask app when template file changes

... need the application to restart to be refreshed, as they should be loaded from disk everytime render_template() is called. Maybe your templates are used differently though. To reload your application when the templates change (or any other file), you can pass the extra_files argument to Flask().ru...
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Easiest way to open a download window without navigating away from the page

...n set content-disposion:attachment in the headers) without navigating away from the current page, or opening popups, which doesn't work well in Internet Explorer(IE) 6. ...
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What does axis in pandas mean?

... I think the confusion comes from the complexity of each so-called "act". df.dropna(axis=0) will first check all the COLUMNS in each ROW and then drop those ROWS with a null. The axis talks about the last step but our brain will focus on the first part....
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Use CSS3 transitions with gradient backgrounds

...is not finished yet and current gradient spec development already far away from current -webkit-gradient implementation. – c-smile Jul 1 '11 at 1:03 1 ...
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Converting from longitude\latitude to Cartesian coordinates

...ch checkout the "Vincenty Formula." I understand where starblue is coming from, but good software engineering is often about trade offs, so it all depends on the accuracy you require for what you are doing. For example, the result calculated from "Manhattan Distance Formula" versus the result fro...