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Use cases for the 'setdefault' dict method

The addition of collections.defaultdict in Python 2.5 greatly reduced the need for dict 's setdefault method. This question is for our collective education: ...
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'\r': command not found - .bashrc / .bash_profile [duplicate]

...s in Cygwin... Try running the dos2unix command on the file in question. It might help when you see error messages like this: -bash: '\r': command not found Windows style newline characters can cause issues in Cygwin. The dos2unix command modifies newline characters so they are Unix / Cygwin c...
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How to compare two Dates without the time portion?

...dDate = second.toLocalDate(); return firstDate.compareTo(secondDate); EDIT: As noted in comments, if you use DateTimeComparator.getDateOnlyInstance() it's even simpler :) // TODO: consider extracting the comparator to a field. return DateTimeComparator.getDateOnlyInstance().compare(first, second...
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Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]

...a as an attribute (e.g. the elements that make up an address like street, city, etc. does not require a separate entity and is more conveniently stored as a dictionary/array than separate attributes/fields). Thank you. ...
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How to get current page URL in MVC 3

I am using the Facebook comments plugin on a blog I am building. It has some FBXML tags that are interpreted by the facebook javascript that is referenced on the page. ...
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AngularJS access scope from outside js function

...follow | edited Apr 4 '14 at 3:32 thecodeparadox 79.1k2121 gold badges129129 silver badges160160 bronze badges ...
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What are the rules for calling the superclass constructor?

...u if they have no argument. If you want to call a superclass constructor with an argument, you must use the subclass's constructor initialization list. Unlike Java, C++ supports multiple inheritance (for better or worse), so the base class must be referred to by name, rather than "super()". class...
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How to scroll HTML page to given anchor?

... That doesn't actually scroll though, it just jumps. At that point you might as well just link to the anchor <a href="#anchorName">link</a> – Ryan Feb 7 '14 at 22:32 ...
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Can't append element

... directly (by which I mean creating the HTML from text like you're trying with the script tag), but when you do them with built-in commands things go better. Try this: var script = document.createElement( 'script' ); script.type = 'text/javascript'; script.src = url; $("#someElement").append( scri...
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Best way to compare two complex objects

... Implement IEquatable<T> (typically in conjunction with overriding the inherited Object.Equals and Object.GetHashCode methods) on all your custom types. In the case of composite types, invoke the contained types’ Equals method within the containing types. For contained colle...