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Replace all non-alphanumeric characters in a string

...well. If you want only alphabets and numbers to be excluded, then solution by nneonneo is more appropriate. share | improve this answer | follow | ...
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Can I arrange repositories into folders on Github?

... On GitHub itself, you cannot group your repos by "folder", unless you create organizations. See SublimeText, for instance, as a group of all sublimeText packages repos. But that won't support a nested folder organization. For now (June 2017), that only supports a nested...
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Use of 'use utf8;' gives me 'Wide character in print'

... Without use utf8 Perl interprets your string as a sequence of single byte characters. There are four bytes in your string as you can see from this: $ perl -E 'say join ":", map { ord } split //, "鸡\n";' 233:184:161:10 The first three bytes make up your character, the last one is the line-...
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Select DISTINCT individual columns in django?

... User order by with that field, and then do distinct. ProductOrder.objects.order_by('category').values_list('category', flat=True).distinct() share | ...
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binning data in python with scipy/numpy

...form operations of this type: import numpy_indexed as npi print(npi.group_by(np.digitize(data, bins)).mean(data)) This is essentially the same solution as the one I posted earlier; but now wrapped in a nice interface, with tests and all :) ...
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Multiline syntax for piping a heredoc; is this portable?

...ine_list | /* empty */ So a pipe symbol can be followed by an end-of-line and still be considered part of a pipeline. share | improve this answer | follow ...
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How can I get jquery .val() AFTER keypress event?

...st immediately thereafter. Such a short timer interval (even if rounded up by the browser) will not be noticeable. edit — or you could use "keyup" like everybody else says, though its semantics are different. share ...
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PHP random string generator

... What do you mean by "for more security"? We're already using a secure random number generator. – Scott Arciszewski Apr 17 '17 at 13:49 ...
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Firefox Web Console Disabled?

...orkaround I used to restore console API after it was set to empty function by a script on the page (works in Firefox 46, tested in Firebug and in greasemonkey script): function restoreConsole() { var i = document.createElement('iframe'); i.style.display = 'none'; document.body.appendChi...
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linq where list contains any in list

...keet I always use Contains method for these kind of queries. I was curious by seeing your answer and checked the internal implementation and found that Intersect uses Set. Can you tell me the performance difference between those two methods? – rebornx Feb 17 '1...