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Set attributes from dictionary in python

...key]) Update As Brent Nash suggests, you can make this more flexible by allowing keyword arguments as well: class Employee(object): def __init__(self, *initial_data, **kwargs): for dictionary in initial_data: for key in dictionary: setattr(self, key, dicti...
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Use underscore inside Angular controllers

...derscore, it attaches itself to the window object, and so is available globally. So you can use it from Angular code as-is. You can also wrap it up in a service or a factory, if you'd like it to be injected: var underscore = angular.module('underscore', []); underscore.factory('_', ['$window', fu...
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How do you echo a 4-digit Unicode character in Bash?

...d like to add the Unicode skull and crossbones to my shell prompt (specifically the 'SKULL AND CROSSBONES' (U+2620)), but I can't figure out the magic incantation to make echo spit it, or any other, 4-digit Unicode character. Two-digit one's are easy. For example, echo -e "\x55", . ...
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Binding an enum to a WinForms combo box, and then setting it

...dView.CurrentRow.Cells["comboColumnCell"].Value. I can see value but internally it throws null pointer exception – ssal Jun 5 '14 at 17:18 ...
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Rails :include vs. :joins

...de functionality was changed with Rails 2.1. Rails used to do the join in all cases, but for performance reasons it was changed to use multiple queries in some circumstances. This blog post by Fabio Akita has some good information on the change (see the section entitled "Optimized Eager Loading")....
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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?

...ssing token (see below), is replaced by the corresponding argument after all macros contained therein have been expanded. Before being substituted, each argument’s preprocessing tokens are completely macro replaced as if they formed the rest of the preprocessing file; no other preprocessin...
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How does an underscore in front of a variable in a cocoa objective-c class work?

...to-generated accessor (for the property) knows which ivar to use. Specifically, in your implementation file, your synthesize should look like this: @synthesize missionName = _missionName; More generically, this is: @synthesize propertyName = _ivarName; ...
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How to import module when module name has a '-' dash or hyphen in it?

...appens with sys.modules, you don't need it to import itself), just getting all of the file's globals into your own scope, you can use execfile # contents of foo-bar.py baz = 'quux' >>> execfile('foo-bar.py') >>> baz 'quux' >>> ...
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Dynamically adding a form to a Django formset with Ajax

I want to automatically add new forms to a Django formset using Ajax, so that when the user clicks an "add" button it runs JavaScript that adds a new form (which is part of the formset) to the page. ...
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JavaScript function similar to Python range()

...uple of additional defensive checks - ensure that the arguments passed are all coercible to numbers and ensure that stop is greater than start (and swap them if not). – Russ Cam Nov 25 '11 at 18:46 ...