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“for” vs “each” in Ruby

...ed local variable or method `x' for main:Object from (irb):2 from :0 for: irb> for x in [1,2,3]; end => [1, 2, 3] irb> x => 3 With the for loop, the iterator variable still lives after the block is done. With the each loop, it doesn't, unless it was already defined as a ...
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Are there disadvantages to using a generic varchar(255) for all text-based fields?

...th one byte. It was also the maximum VARCHAR length in MySQL older than 5.0. share | improve this answer | follow | ...
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What is the best comment in source code you have ever encountered? [closed]

... community wiki 21 revs, 20 users 72%Jens Roland 2 ...
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Spring MVC: How to return image in @ResponseBody?

... Andremoniy 30k1010 gold badges100100 silver badges201201 bronze badges answered May 23 '13 at 23:26 michal.kreuzm...
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System.currentTimeMillis() vs. new Date() vs. Calendar.getInstance().getTime()

... answered Dec 15 '08 at 11:53 Michael BorgwardtMichael Borgwardt 320k7373 gold badges453453 silver badges688688 bronze badges ...
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How do I move a file with Ruby?

... | edited May 25 '10 at 7:33 answered Dec 31 '08 at 15:46 ...
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Auto reloading a Sails.js app on code changes?

... Iman Mohamadi 4,50211 gold badge2828 silver badges3232 bronze badges answered Sep 8 '13 at 19:38 Sandro MundaSandro Mu...
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Why do I get “Pickle - EOFError: Ran out of input” reading an empty file?

...es = {} # scores is an empty dict already if os.path.getsize(target) > 0: with open(target, "rb") as f: unpickler = pickle.Unpickler(f) # if file is not empty scores will be equal # to the value unpickled scores = unpickler.load() Also open(target, 'a'...
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How to make a vertical line in HTML

...d use CSS to style it: .verticalLine { border-left: thick solid #ff0000; } <div class="verticalLine"> some other content </div> share | improve this answer |...
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Allowing Untrusted SSL Certificates with HttpClient

...lution? – wensveen Aug 21 '15 at 14:09 The gist of the solution is to wrap the windows http client handler and use tha...