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Should I use s and s inside my s?

...s point, I'd keep the <ul><li> elements, reason being that not all browsers support HTML5 tags yet. For example, I ran into an issue using the <header> tag - Chrome and FF worked like a charm, but Opera borked. Until all browsers support HTML completely, I'd stick them in, but re...
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What is the best Java email address validation method? [closed]

... Apache Commons is generally known as a solid project. Keep in mind, though, you'll still have to send a verification email to the address if you want to ensure it's a real email, and that the owner wants it used on your site. EDIT: There was a bu...
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Why would you ever implement finalize()?

...uestions on finalize() and find it kind of bewildering that no one has really made it plain that finalize() is an unreliable way to clean up resources. I saw someone comment that they use it to clean up Connections, which is really scary since the only way to come as close to a guarantee that a C...
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Load local JSON file into variable

...nts:queue" }, { "id": "0.79281", "name": " contents:mqq_error" } ] } You also had an extra }. share | improve this answer | follow ...
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Summarizing multiple columns with dplyr? [duplicate]

... The dplyr package contains summarise_all for this aim: library(dplyr) df %>% group_by(grp) %>% summarise_all(list(mean)) #> # A tibble: 3 x 5 #> grp a b c d #> <int> <dbl> <dbl> <dbl> <dbl> #>...
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Mac OS X Terminal: Map option+delete to “backward delete word”

... trial and error). now i wonder why there is so little documentation about all this. – victor n. Oct 7 '15 at 16:14 ...
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What does the [Flags] Enum Attribute mean in C#?

... Such collections are often used with bitwise operators, for example: var allowedColors = MyColor.Red | MyColor.Green | MyColor.Blue; Note that the [Flags] attribute doesn't enable this by itself - all it does is allow a nice representation by the .ToString() method: enum Suits { Spades = 1, Clu...
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Named colors in matplotlib

... have been moved under the 'xkcd:' prefix since I posted this answer originally. I really didn't change much from the matplotlib example, but here is the code for completeness. import matplotlib.pyplot as plt from matplotlib import colors as mcolors colors = dict(mcolors.BASE_COLORS, **mcolors...
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How to strip all non-alphabetic characters from string in SQL Server?

How could you remove all characters that are not alphabetic from a string? 18 Answers ...
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Adding values to a C# array

Probably a really simple one this - I'm starting out with C# and need to add values to an array, for example: 23 Answers ...