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Matplotlib: “Unknown projection '3d'” error

... | edited Apr 4 '19 at 18:23 Matthew Salvatore Viglione 4,14911 gold badge1010 silver badges3333 bronze badges ...
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How can I count the number of matches for a regex?

...tches When counting matches of aa in aaaa the above snippet will give you 2. aaaa aa aa To get 3 matches, i.e. this behavior: aaaa aa aa aa You have to search for a match at index <start of last match> + 1 as follows: String hello = "aaaa"; Pattern pattern = Pattern.compile("aa");...
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How to check if a string is a valid hex color representation?

... 287 /^#[0-9A-F]{6}$/i.test('#AABBCC') To elaborate: ^ -> match beginning # ...
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What's the (hidden) cost of Scala's lazy val?

... | edited Feb 20 '14 at 20:33 vergenzt 7,38333 gold badges2424 silver badges4141 bronze badges ...
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Convert Dictionary to semicolon separated string in c#

... 294 using System.Linq; string s = string.Join(";", myDict.Select(x => x.Key + "=" + x.Value).T...
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Looping over a list in Python

... 200 Try this, x in mylist is better and more readable than x in mylist[:] and your len(x) should ...
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Join a list of strings in python and wrap each string in quotation marks

... answered Aug 17 '12 at 14:28 jamylakjamylak 104k2222 gold badges206206 silver badges215215 bronze badges ...
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Element-wise addition of 2 lists?

...t;>> from operator import add >>> list( map(add, list1, list2) ) [5, 7, 9] or zip with a list comprehension: >>> [sum(x) for x in zip(list1, list2)] [5, 7, 9] Timing comparisons: >>> list2 = [4, 5, 6]*10**5 >>> list1 = [1, 2, 3]*10**5 >>> %tim...
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git rebase, keeping track of 'local' and 'remote'

... 247 TL;DR; To summarize (As Benubird comments), when: git checkout A git rebase B # rebase ...
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git: Show index diff in commit message as comment

... answered Jan 20 '11 at 17:09 Alan Haggai AlaviAlan Haggai Alavi 65.4k1818 gold badges9494 silver badges123123 bronze badges ...