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How to override the [] operator in Python?

...rwise this will happen: >>> myobj[5] = 1 Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: MyClass instance has no attribute '__setitem__' share | ...
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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31

Oracle released Java JDK 7 on April 26 for Mac OS X. I followed the install instructions and when I do java -version in a terminal window I get: ...
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Approximate cost to access various caches and main memory?

...xample, check page 22 for some timings & cycles for example). Additionally, this page has some details on clock cycles etc. The second link served the following numbers: Core i7 Xeon 5500 Series Data Source Latency (approximate) [Pg. 22] local L1 CACHE hit, ...
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How to resize superview to fit all subviews with autolayout?

...n a UITableViewCell (to determine row height for example) then you should call it against your cell contentView and grab the height. Further considerations exist if you have one or more UILabel's in your view that are multiline. For these it is imperitive that the preferredMaxLayoutWidth propert...
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Hidden Features of PHP? [closed]

...and getting a reference most of the time is great. – Allain Lalonde Sep 14 '08 at 17:46 1 This is...
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Multiple Models in a single django ModelForm?

... But how? Usually a FormView only has a single form_class assigned to it. – erikbwork Oct 7 '16 at 17:42 ...
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Run certain code every n seconds [duplicate]

... This seems not to resolve the question at all... it does not repeat every second. – Yan King Yin Jul 5 '13 at 15:28 9 ...
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Why dict.get(key) instead of dict[key]?

... It allows you to provide a default value if the key is missing: dictionary.get("bogus", default_value) returns default_value (whatever you choose it to be), whereas dictionary["bogus"] would raise a KeyError. If omitted...
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What's the best UI for entering date of birth? [closed]

...ry fast. For a not so advanced user I suggest using a datepicker. Since usually you also have advanced and non-advanced users I suggest a combination of text input and datepicker. share | improve th...
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Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit

... All error codes are on "CFNetwork Errors Codes References" on the documentation (link) A small extraction for CFURL and CFURLConnection Errors: kCFURLErrorUnknown = -998, kCFURLErrorCancelled = -999, kCFURLErrorBadU...