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Any gotchas using unicode_literals in Python 2.6?

...g (assuming it's ascii) and convert it to unicode and fails. It would work if you did print name + two.name.decode('utf-8'). The same thing can happen if you encode a string and try to mix them later. For example, this works: # encoding: utf-8 html = '<html><body>helló wörld</body...
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Should you always favor xrange() over range()?

...hon 3, range() does what xrange() used to do and xrange() does not exist. If you want to write code that will run on both Python 2 and Python 3, you can't use xrange(). range() can actually be faster in some cases - eg. if iterating over the same sequence multiple times. xrange() has to reconstruc...
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GET URL parameter in PHP

...uld (and should) ensure your code does not trigger notices with: <?php if (isset($_GET['link'])) { echo $_GET['link']; } else { // Fallback behaviour goes here } Alternatively, if you want to skip manual index checks and maybe add further validations you can use the filter extension: ...
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Class method decorator with self arguments?

...an pass in the attribute name as a string to the decorator and use getattr if you don't want to hardcode the attribute name: def check_authorization(attribute): def _check_authorization(f): def wrapper(self, *args): print getattr(self, attribute) return f(self, *...
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Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error

... You can get this type of error if your class' .m file is not listed under the "Compile Sources" step of the "Build Phases" tab of your target. Normally Xcode does this for you, but sometimes it loses the plot and you need to add the .m file manually. To d...
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How to add target=“_blank” to JavaScript window.location?

...unction ToKey(){ var key = document.tokey.key.value.toLowerCase(); if (key == "smk") { window.open('http://www.smkproduction.eu5.org', '_blank'); } else { alert("Kodi nuk është valid!"); } } ...
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Tool to convert Python code to be PEP8 compliant

I know there are tools which validate whether your Python code is compliant with PEP8, for example there is both an online service and a python module . ...
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Why can't I use a list as a dict key in python?

...ists Can't Be Dictionary Keys. As explained there: What would go wrong if you tried to use lists as keys, with the hash as, say, their memory location? It can be done without really breaking any of the requirements, but it leads to unexpected behavior. Lists are generally treated as if their v...
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How to validate IP address in Python? [duplicate]

... representations of IP addresses. If you're using Python 3.3 or later, it now includes the ipaddress module: >>> import ipaddress >>> ipaddress.ip_address('127.0.0.1') IPv4Address('127.0.0.1') >>> ipaddress.ip_address('277.0.0.1') Traceback (most recent call last): Fil...
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Views vs Components in Ember.js

...t. Hope it helps. Update With the publication of Road to Ember 2.0 you are now encouraged to use Components instead of Views in most of the cases. share | improve this answer | ...