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Build a Basic Python Iterator

...ator protocol, which basically means they provide two methods: __iter__() and __next__(). The __iter__ returns the iterator object and is implicitly called at the start of loops. The __next__() method returns the next value and is implicitly called at each loop increment. This method raises a...
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What's the difference between SortedList and SortedDictionary?

...re any real practical difference between a SortedList<TKey,TValue> and a SortedDictionary<TKey,TValue> ? Are there any circumstances where you would specifically use one and not the other? ...
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com.jcraft.jsch.JSchException: UnknownHostKey

... I would either: Try to ssh from the command line and accept the public key (the host will be added to ~/.ssh/known_hosts and everything should then work fine from Jsch) -OR- Configure JSch to not use "StrictHostKeyChecking" (this introduces insecurities and should ...
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What does value & 0xff do in Java?

... not quite. The & operator works on long values as well, if either operand is a long. But not on byte. See the Java Language Specification, sections 15.22.1 and 5.6.2. share | improve this answe...
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Is there a way to access method arguments in Ruby?

New to Ruby and ROR and loving it each day, so here is my question since I have not idea how to google it (and I have tried :) ) ...
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How to use PHP OPCache?

PHP 5.5 has been released and it features a new code caching module called OPCache, but there doesn't appear to be any documentation for it. ...
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Declaring and initializing variables within Java switches

... block in which the declaration appears, starting with its own initializer and including any further declarators to the right in the local variable declaration statement. In your case, case 2 is in the same block as case 1 and appears after it, even though case 1 will never execute... so the local...
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How do you split and unsplit a window/view in Eclipse IDE?

...or splitting is: Azerty keyboard: Ctrl + _ for split horizontally, and Ctrl + { for split vertically. Qwerty US keyboard: Ctrl + Shift + - (accessing _) for split horizontally, and Ctrl + Shift + [ (accessing {) for split vertically. MacOS - Qwerty US keyboard: ...
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How can I multiply all items in a list together with Python?

I need to write a function that takes a list of numbers and multiplies them together. Example: [1,2,3,4,5,6] will give me 1*2*3*4*5*6 . I could really use your help. ...
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Failed loading english.pickle with nltk.data.load

... I had this same problem. Go into a python shell and type: >>> import nltk >>> nltk.download() Then an installation window appears. Go to the 'Models' tab and select 'punkt' from under the 'Identifier' column. Then click Download and it will install the...