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Does Python have “private” variables in classes?

...definetively have public and private no? Their main purpose is to tell you what API you should use to interact with a class. They serve as a documentation telling you to use these methods and not use those. They are not a "pretence of security", they are API documentation, which can even be used by ...
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vim - How to delete a large block of text without counting the lines?

... I'm no vim guru, but what I use in this circumstance is "visual mode". In command mode, type V (capital). Then move up/down to highlight the block you want deleted (all the usual movement commands work). Then remove it with x or d. ...
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Cannot refer to a non-final variable inside an inner class defined in a different method

... Good explanations for why you can't do what you're trying to do already provided. As a solution, maybe consider: public class foo { static class priceInfo { public double lastPrice = 0; public double price = 0; public Price priceOb...
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How to implement Enums in Ruby?

What's the best way to implement the enum idiom in Ruby? I'm looking for something which I can use (almost) like the Java/C# enums. ...
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?

What is the proper way to get a list of all available serial ports/devices on a Linux system? 12 Answers ...
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How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?

...s not empty. You can't do this the same way with the conditional operator. What you can do however, is echo the result of the conditional operator: echo empty($address['street2']) ? "Street2 is empty!" : $address['street2']; and this will display "Street is empty!" if it is empty, otherwise it wi...
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Can anyone explain this strange behavior with signed floats in C#?

... You don't explain what the significance of "8 bytes wide" is. Would a struct with all 4-byte fields not have the same result? I'm guessing that having a single 4-byte field and an 8-byte fields just triggers IsNotTightlyPacked. ...
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initialize a numpy array

...e way to initialize a numpy array of a shape and add to it? I will explain what I need with a list example. If I want to create a list of objects generated in a loop, I can do: ...
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Best design for a changelog / auditing database table? [closed]

...improvement" would work only for tables that had surrogate keys. But guess what? All our tables that are worth auditing do have such a key! share | improve this answer | fol...
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Volatile vs Static in Java

... What is the cache when you say "locally cached"? CPU cache, some kind of JVM cache? – mert inan Dec 17 '12 at 21:15 ...