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What is Bit Masking?

... the b to indicate binary literal is not supported by all compilers, correct? – Ungeheuer May 8 '17 at 23:37 ...
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Overriding superclass property with different type in Swift

... Swift does not allow you to change the class type of any variables or properties. Instead you can create an extra variable in the subclass that handles the new class type: class Chassis {} class RacingChassis : Chassis {} class Car { ...
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Python matplotlib multiple bars

How to plot multiple bars in matplotlib, when I tried to call the bar function multiple times, they overlap and as seen the below figure the highest value red can be seen only. How can I plot the multiple bars with dates on the x-axes? ...
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FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)

...It's a FragmentPagerAdapter for non-support fragments. Android Studio Installation Please add follow Gradle dependencies dependencies { compile 'com.android.support:support-v13:+' } share | ...
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Quick easy way to migrate SQLite3 to MySQL? [closed]

...y's built a solid library that can convert between the two. Here a list of ALL the differences in SQL syntax that I know about between the two file formats: The lines starting with: BEGIN TRANSACTION COMMIT sqlite_sequence CREATE UNIQUE INDEX are not used in MySQL SQLite uses CREATE TABLE/INSERT ...
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Checking a Python module version at runtime

...s have an attribute which holds the version information for the module (usually something like module.VERSION or module.__version__ ), however some do not. ...
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When should I use the Visitor Design Pattern? [closed]

...want to make the fewest possible modifications to it. The Visitor pattern allows you to move each new operation in a suitable class, and you need to extend the hierarchy's interface only once. Let's do it. First, we define an abstract operation (the "Visitor" class in GoF) which has a method for ev...
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How do I print to the debug output window in a Win32 app?

...you can use the L prefix: OutputDebugStringW(L"My output string."); Normally you will use the macro version together with the _T macro like this: OutputDebugString(_T("My output string.")); If you project is configured to build for UNICODE it will expand into: OutputDebugStringW(L"My output s...
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How assignment works with Python list slice?

... To be clear, "takes a slice of" really means "make a copy of a slice of" which is where part of the confusion comes from. – Mark Ransom May 16 '12 at 17:12 ...
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Do I need dependency injection in NodeJS, or how to deal with …?

...eaddirSync method or you can return an entirely different module when you call require. Method 1: var oldmethod = fs.readdirSync; fs.readdirSync = function(dir) { return ['somefile.txt', 'error.txt', 'anotherfile.txt']; }; *** PERFORM TEST *** *** RESTORE METHOD AFTER TEST **** fs.readddirS...