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What are the Ruby Gotchas a newbie should be warned about? [closed]
..., but nil on failure (e.g., mismatch). This convention is also used in Smalltalk, where only the special objects true and false can be used in a boolean expression.
Versions prior to 1.9 lack a character data type (compare to C, which provides type char for characters). This may cause surprises when...
How to split text without spaces into list of words?
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A naive algorithm won't give good results when applied to real-world data. Here is a 20-line algorithm that exploits relative word frequency to give accurate results for real-word text.
(If you want an answer to your original question which does not use word fre...
Can I use Objective-C blocks as properties?
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wow, I didn't know that, thanks! ... Although I often do @synthesize myProp = _myProp
– Robert
Nov 8 '12 at 8:04
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Design Patterns: Factory vs Factory method vs Abstract Factory
... private final Fruit f = makeFruit(); // The fruit we will work on..
<bla bla bla>
}
}
...then you can reuse the common functionality in FruitPicker.pickFruit() by implementing a factory method in subclasses:
class OrangePicker extends FruitPicker {
@Override
protected Fruit mak...
How do I detect if software keyboard is visible on Android Device or not?
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Where in the code exaclty do I have to put this? I put this into an activity, however, it does not detect any keyboard appearance or disappearance.
– toom
Aug 29 '16 at 10:10
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How does mockito when() invocation work?
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The short answer is that in your example, the result of mock.method() will be a type-appropriate empty value; mockito uses indirection via proxying, method interception, and a shared instance of the MockingProgress class in order to determine whether an invocation of a meth...
Using :before CSS pseudo element to add image to modal
... better?
or you could use jQuery, like Joshua said:
$(".Modal").before("<img src='blackCarrot.png' class='ModalCarrot' />");
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Can you turn off Peek Definition in Visual Studio 2013 and up?
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If you have Resharper AND Productivity Power Tools, by default this will cause ctrl + click to go to definition AND peek the definition. Very annoying. The solution from @SnowFatal will turn off the peek functionality. Resharper's option is listed as "Go to Declaration on <Control ...
Difference between “\n” and Environment.NewLine
...ic static String NewLine {
get {
Contract.Ensures(Contract.Result<String>() != null);
return "\r\n";
}
}
source
The implementation in .NET Core:
/*===================================NewLine====================================
**Action: A property which returns the...
Is there a Pattern Matching Utility like GREP in Windows?
...e basic features like directory recursion. For that you need to combine multiple PowerShell commands. Like "dir -R -Include *.txt | sls "^My Regex String$"
– yzorg
Feb 9 '11 at 19:15
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