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Accessing elements of Python dictionary by index

... Given that it is a dictionary you access it by using the keys. Getting the dictionary stored under "Apple", do the following: >>> mydict["Apple"] {'American': '16', 'Mexican': 10, 'Chinese': 5} And getting how man...
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C++ templates Turing-complete?

... note that most compilers have a limit on the depth of the recursion available. std::cout << Factorial<4>::val << "\n"; } That was a little fun but not very practical. To answer the second part of the question: Is this fact useful in practice? Short Answer: Sort of. Long A...
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Why are Objective-C delegates usually given the property assign instead of retain?

I'm surfing through the wonderful blog maintained by Scott Stevenson, and I'm trying to understand a fundamental Objective-C concept of assigning delegates the 'assign' property vs 'retain'. Note, the both are the same in a garbage collected environment. I'm mostly concerned with a non-GC based envi...
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A Regex that will never be matched by anything

This might sound like a stupid question, but I had a long talk with some of my fellow developers and it sounded like a fun thing to think of. ...
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How to suppress “unused parameter” warnings in C?

... Dr. Person Person II 2,95544 gold badges2626 silver badges3333 bronze badges answered Aug 30 '10 at 9:16 JobJob ...
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Prevent double curly brace notation from displaying momentarily before angular.js compiles/interpola

It seems to be primarily an issue in IE when there is a number of images/scripts to load, there can be a good amount of time where the literal {{stringExpression}} in the markup are displayed, then disappear once angular is done with it's compilation/interpolation of the document. ...
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How to plot two histograms together in R?

I am using R and I have two data frames: carrots and cucumbers. Each data frame has a single numeric column which lists the length of all measured carrots (total: 100k carrots) and cucumbers (total: 50k cucumbers). ...
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How to set default browser window size in Protractor/WebdriverJS

...ser window of about 50% width. This causes some discrepancies with scrolling down, etc, so I'd ideally like to have it open a browser window of the same size on every machine the tests are run on. What's the best way to do this? (I've found some answers for other languages but haven't been able to a...
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Choosing between qplot() and ggplot() in ggplot2 [closed]

...plot2 package for plotting in R, and one of the first things I ask myself before each plot is "well, will I use qplot or ggplot ?" ...
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Postgres - FATAL: database files are incompatible with server

After restarting my MacBook Pro I am unable to start the database server: 6 Answers 6...