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Handling a colon in an element ID in a CSS selector [duplicate]

...es contain a character with Unicode codepoint zero.) If a character in the range [0-9a-f] follows the hexadecimal number, the end of the number needs to be made clear. There are two ways to do that: with a space (or other whitespace character): "\26 B" ("&B"). In this case, user agents should t...
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How to use UTF-8 in resource properties with ResourceBundle

...d to save them as ISO-8859-1. If you have any characters beyond ISO-8859-1 range and you can't use \uXXXX off top of head and you're thus forced to save the file as UTF-8, then you'd need to use the native2ascii tool to convert an UTF-8 saved properties file to an ISO-8859-1 saved properties file wh...
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Python nested functions variable scoping [duplicate]

... before assignment This problem is caused by this line: _total += PRICE_RANGES[key][0] The documentation about Scopes and Namespaces says this: A special quirk of Python is that – if no global statement is in effect – assignments to names always go into the innermost scope. Assignments...
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When to prefer JSON over XML?

...: try to detect when sending HTML snippets is more beneficial than sending raw data. AHAH can do wonders in simple applications, yet frequently overlooked. Usually this style assumes that a server sends HTML snippets that will be inlined in the web page without processing. Usually in AHAH cases CSS...
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Does Go have “if x in” construct similar to Python?

... this: func stringInSlice(a string, list []string) bool { for _, b := range list { if b == a { return true } } return false } If you want to be able to check for membership without iterating over the whole list, you need to use a map instead of an array or ...
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Why does Double.NaN==Double.NaN return false?

I was just studying OCPJP questions and I found this strange code: 9 Answers 9 ...
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pyplot axes labels for subplots

...set the common labels. import random import matplotlib.pyplot as plt x = range(1, 101) y1 = [random.randint(1, 100) for _ in xrange(len(x))] y2 = [random.randint(1, 100) for _ in xrange(len(x))] fig = plt.figure() ax = fig.add_subplot(111) # The big subplot ax1 = fig.add_subplot(211) ax2 = fig...
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How to take all but the last element in a sequence using LINQ?

...iningItems); } static void Main(string[] args) { var Seq = Enumerable.Range(1, 10); Console.WriteLine(string.Join(", ", Seq.Select(x => x.ToString()).ToArray())); Console.WriteLine(string.Join(", ", Seq.TakeAllButLast().Select(x => x.ToString()).ToArray())); } Or as a generaliz...
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Assign same value to multiple variables at once?

... This can't be used in Php class and this is the raw type. – Chaminda Bandara Nov 14 '16 at 10:08 ...
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How to check if hex color is “too black”?

...g factors instead of the ITU-R ones above. EDIT The resulting luma value range is 0..255, where 0 is the darkest and 255 is the lightest. Values greater than 128 are considered light by tinycolor. (shamelessly copied from the comments by @pau.moreno and @Alnitak) ...