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Don't understand why UnboundLocalError occurs (closure) [duplicate]
...ariable, the global keyword will help. If increment() is a local function and counter a local variable, you can use nonlocal in Python 3.x.
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How to represent empty char in Java Character class
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A null char literal is still a character and takes space in storage.
– Jimmy T.
Jun 15 '14 at 13:50
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How to execute an external program from within Node.js?
...lt of the child process. Example... if the process returns an exit code 0, and I want to call a different method, I seem to run into a plethora of errors.
– continuousqa
Mar 20 '15 at 23:59
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Why historically do people use 255 not 256 for database field magnitudes?
...ric reason why? I assume it's something to do with paging / memory limits, and performance but the distinction between 255 and 256 has always confused me.
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How to tell if rails is in production?
...ed script/server -e production to start rails in production mode. It did and I got no errors. However how do I tell if it is in production mode? I tried a non-existent route, and I got a similar error page I did in development.
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“Instantiating” a List in Java? [duplicate]
...e.
ArrayList is a concrete class that happens to implement this interface and all of the methods in it.
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How can I add an animation to the activity finish()
I'm using overridePendingTransition for when my activity is created and that works fine I can see the fade in works great, but when I try and animate the finish on the activity it is still doing the default right to left slide.
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Authenticating in PHP using LDAP through Active Directory
...y knowledge, input sanitization isn't required here as ldap_bind would be handling it and special characters aren't an issue.
– ceejayoz
Jan 8 '14 at 21:34
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What is scope/named_scope in rails?
I've recently started an internship. My employer uses ruby on rails, and I frequently encounter new syntax that I need to look up to understand. I've googled around for a good explanation of named_scope, but what I've found so far is mostly blog posts giving high praise for it, rather a straight def...
Unable to access JSON property with “-” dash
...r : {{ jsonObj.attributes["profile-id"] }}
– BastienSander
May 13 '14 at 10:32
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