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Python's equivalent of && (logical-and) in an if-statement

... different name in Python. The logical operators && and || are actually called and and or. Likewise the logical negation operator ! is called not. So you could just write: if len(a) % 2 == 0 and len(b) % 2 == 0: or even: if not (len(a) % 2 or len(b) % 2): Some additional information (...
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Custom attributes in styles.xml

... did eventually get what I was working on functioning. I eventually used a string for the declare-stylable instead of an enum. I'm not certain why enums weren't working, but this work-around was good enough for me. – Paul Lammertsma Dec 19 '11 at 15:21 ...
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@Scope(“prototype”) bean scope not creating new bean

...nd value of the @Scope annotation. With this trick you can avoid to write extra code or to inject the ApplicationContext every time that you need a prototype inside a singleton bean. Example: @Service @Scope(value="prototype", proxyMode=ScopedProxyMode.TARGET_CLASS) public class LoginAction {}...
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Set attributes from dictionary in python

...key]) Update As Brent Nash suggests, you can make this more flexible by allowing keyword arguments as well: class Employee(object): def __init__(self, *initial_data, **kwargs): for dictionary in initial_data: for key in dictionary: setattr(self, key, dicti...
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Android notification is not showing

...ome obsoletes if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { String channelId = "Your_channel_id"; NotificationChannel channel = new NotificationChannel( channelId, "Channel human readable title", ...
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The object 'DF__*' is dependent on column '*' - Changing int to double

Basically I got a table in my EF database with the following properties: 8 Answers 8 ...
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Can modules have properties the same way that objects can?

...s? When I put this code in one file x.py and import it from another, then calling x.y results in AttributeError: 'NoneType' object has no attribute 'c', since _M somehow has value None... – Stephan202 May 19 '09 at 1:35 ...
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Difference between `const shared_ptr` and `shared_ptr`?

...); sA->a = 4; // compile-error return sA; } int main(int argc, char** argv) { f1(); f2(); return 0; } share | improve this answer | follow ...
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How to implement “select all” check box in HTML?

.../script> <input type="checkbox" onClick="toggle(this)" /> Toggle All<br/> <input type="checkbox" name="foo" value="bar1"> Bar 1<br/> <input type="checkbox" name="foo" value="bar2"> Bar 2<br/> <input type="checkbox" name="foo" value="bar3"> Bar 3<br/&...
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How to organize large R programs?

...ome silly performance mistakes when I first started out with R. When to extract logical units into their own physical units (like source files and bigger groupings like packages)? I have two cases. First, if the file gets too large and scrolling around among logically unrelated units is an anno...