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what is faster: in_array or isset? [closed]

This question is merely for me as I always like to write optimized code that can run also on cheap slow servers (or servers with A LOT of traffic) ...
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UnicodeEncodeError: 'charmap' codec can't encode - character maps to , print function [du

...ding when piping stdout in Python, but I could not get these example to work. Following example code makes the output aware of your target charset. # -*- coding: utf-8 -*- import sys print sys.stdout.encoding print u"Stöcker".encode(sys.stdout.encoding, errors='replace') print u"Стоескер"...
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?

I know that the compiler will sometimes initialize memory with certain patterns such as 0xCD and 0xDD . What I want to know is when and why this happens. ...
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How can I get file extensions with JavaScript?

...information in wallacer's revised answer as well as VisioN's excellent breakdown Edit: Just because this is the accepted answer; wallacer's answer is indeed much better: return filename.split('.').pop(); My old answer: return /[^.]+$/.exec(filename); Should do it. Edit: In response to Ph...
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How can I change the color of a Google Maps marker?

I'm using the Google Maps API to build a map full of markers, but I want one marker to stand out from the others. The simplest thing to do, I think, would be to change the color of the marker to blue, instead of red. Is this a simple thing to do or do I have to create a whole new icon somehow? If I ...
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How can I check if a Perl array contains a particular value?

I am trying to figure out a way of checking for the existence of a value in an array without iterating through the array. 1...
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Generic List - moving an item within the list

... I know you said "generic list" but you didn't specify that you needed to use the List(T) class so here is a shot at something different. The ObservableCollection(T) class has a Move method that does exactly what you want. pub...
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MySQL Error 1215: Cannot add foreign key constraint

...erything I've found has said to either set the db engine to Innodb or to make sure the keys I'm trying to use as a foreign key are primary keys in their own tables. I have done both of these things, if I'm not mistaken. Any other help you guys could offer? ...
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How to create the most compact mapping n → isprime(n) up to a limit N?

...the range (1, N], where N is a constant. Just an example of what I am looking for: I could represent every odd number with one bit e.g. for the given range of numbers (1, 10], starts at 3: 1110 ...
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Set keyboard caret position in html textbox

Does anybody know how to move the keyboard caret in a textbox to a particular position? 9 Answers ...