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Detect if a NumPy array contains at least one non-numeric value?
...nce - the function should give the correct value regardless of ndim. As an extra complication the input could be a single float or numpy.float64 or even something oddball like a zero-dimensional array.
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How to convert an address into a Google Maps Link (NOT MAP)
...ss>, so formatting is preserved
It properly encodes the URL
It squashes extra spaces so that the generated URL is shorter and cleaner and human-readable after encoding
It produces valid markup (Mr.Hendershot's solution creates <a><address></address></a> which is invalid be...
How many String objects will be created when using a plus sign?
How many String objects will be created when using a plus sign in the below code?
6 Answers
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How to check that a string is a palindrome using regular expressions?
... all palindromes. The proof relies on the facts that we can easily build a string that requires an arbitrarily large number of nodes, namely the string
a^x b a^x (eg., aba, aabaa, aaabaaa, aaaabaaaa, ....)
where a^x is a repeated x times. This requires at least x nodes because, after seeing the 'b...
Is Java's assertEquals method reliable?
I know that == has some issues when comparing two Strings . It seems that String.equals() is a better approach. Well, I'm doing JUnit testing and my inclination is to use assertEquals(str1, str2) . Is this a reliable way to assert two Strings contain the same content? I would use assertTr...
How does C compute sin() and other math functions?
...come possible fairly recently. In some cases this can be slow because many extra digits may need to be calculated to ensure correct rounding. In other cases it is extremely quick -- for small enough numbers the answer is just the angle.
– Bruce Dawson
Oct 16 '1...
Can I force a UITableView to hide the separator between empty cells? [duplicate]
...ing a footer for the tableview. See this answer for more details:Eliminate Extra separators below UITableView
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How to create a WPF UserControl with NAMED content
...ty HeadingProperty =
DependencyProperty.Register("Heading", typeof(string),
typeof(HeadingContainer), new PropertyMetadata(HeadingChanged));
private static void HeadingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
((HeadingContainer) d).Heading ...
How to split comma separated string using JavaScript? [duplicate]
I want to split a comma separated string with JavaScript. How?
4 Answers
4
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Installing rmagick on Ubuntu
....2 sudo apt-get install libmagickwand-dev libmagickcore-dev libmagickcore4-extra libgraphviz-dev libgvc5 worked for me.
graphicsmagick-libmagick-dev-compat installed but didn't include the header files so rmagick wouldn't compile.
Please note, you need to remove graphicsmagick-libmagick-dev-compat...