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Redirecting from HTTP to HTTPS with PHP

... Try something like this (should work for Apache and IIS): if (empty($_SERVER['HTTPS']) || $_SERVER['HTTPS'] === "off") { $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; header('HTTP/1.1 301 Moved Permanently'); header('Location: ' . $location); exit; }...
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How to len(generator()) [duplicate]

...e advantages over functions that return lists. However, you could len(list_returning_function()) . Is there a way to len(generator_function()) ? ...
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When to use symbols instead of strings in Ruby?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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Understanding ibeacon distancing

... The distance estimate provided by iOS is based on the ratio of the beacon signal strength (rssi) over the calibrated transmitter power (txPower). The txPower is the known measured signal strength in rssi at 1 meter away. Each beacon must be calibrated with this tx...
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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP

...uses the same variable name. It is also a major security risk with register_globals turned on. E_NOTICE level error is issued in case of working with uninitialized variables, however not in the case of appending elements to the uninitialized array. isset() language construct can be used to detect if...
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What's the difference between a Python “property” and “attribute”?

...ggs) it looks up eggs in spam, and then examines eggs to see if it has a __get__, __set__, or __delete__ method — if it does, it's a property. If it is a property, instead of just returning the eggs object (as it would for any other attribute) it will call the __get__ method (since we were ...
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How to store arbitrary data for some HTML tags

...rs will just silently ignore it. If I were you, I would follow the script based approach. You could make it automatically generated on server side so that it's not a pain in the back to maintain. share | ...
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How to add to an existing hash in Ruby

... 64 my_hash = {:a => 5} my_hash[:key] = "value" ...
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How to check if the string is empty?

... the fact that empty sequences are false. So you should use: if not some_string: or: if some_string: Just to clarify, sequences are evaluated to False or True in a Boolean context if they are empty or not. They are not equal to False or True. ...
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Multiprocessing vs Threading Python [duplicate]

...n3 import multiprocessing import threading import time import sys def cpu_func(result, niters): ''' A useless CPU bound function. ''' for i in range(niters): result = (result * result * i + 2 * result * i * i + 3) % 10000000 return result class CpuThread(threading.Thre...