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Format JavaScript date as yyyy-mm-dd

...ith the format Sun May 11,2014 . How can I convert it to 2014-05-11 using JavaScript? 42 Answers ...
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How do I get the current date and time in PHP?

... The time would go by your server time. An easy workaround for this is to manually set the timezone by using date_default_timezone_set before the date() or time() functions are called to. I'm in Melbourne, Australia so I have something like...
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Android: Clear Activity Stack

I'm having several activities in my application. and flow is very complicated. When I click the Logout application navigates to login Screen and from there user can exit by cancel button (calling system.exit(0) ) ...
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What is the printf format specifier for bool?

... There is no format specifier for bool types. However, since any integral type shorter than int is promoted to int when passed down to printf()'s variadic arguments, you can use %d: bool x = true; printf("%d\n", x); // prints 1 But why not: printf(x ? "true" : "false"); or, better: prin...
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What does collation mean?

... Collation can be simply thought of as sort order. In English (and it's strange cousin, American), collation may be a pretty simple matter consisting of ordering by the ASCII code. Once you get into those strange European languages with all their accen...
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Generate a heatmap in MatPlotLib using a scatter data set

... If you don't want hexagons, you can use numpy's histogram2d function: import numpy as np import numpy.random import matplotlib.pyplot as plt # Generate some test data x = np.random.randn(8873) y = np.random.randn(8873) heatmap, xedges, yedges =...
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How to check whether a string is a valid HTTP URL?

There are the Uri.IsWellFormedUriString and Uri.TryCreate methods, but they seem to return true for file paths etc. 9...
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In git how is fetch different than pull and how is merge different than rebase?

I just cant understand this. I been reading a lot on the web and books and something is just not staying in my head. Can someone please give me the dummy version of the following: ...
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Making macOS Installer Packages which are Developer ID ready

Note: This is for OS X Installer packages only, packages for submission to the Mac App Store follow different rules. 5 ...
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How to calculate the number of occurrence of a given character in each row of a column of strings?

I have a data.frame in which certain variables contain a text string. I wish to count the number of occurrences of a given character in each individual string. ...