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How to destroy an object?
As far as I know (which is very little) , there are two ways, given:
6 Answers
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Replace multiple strings with multiple other strings
..."I have a cat, a dog, and a goat.";
str = str.replace(/cat/gi, "dog");
// now str = "I have a dog, a dog, and a goat."
str = str.replace(/dog/gi, "goat");
// now str = "I have a goat, a goat, and a goat."
str = str.replace(/goat/gi, "cat");
// now str = "I have a cat, a cat, and a cat."
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Which is faster in Python: x**.5 or math.sqrt(x)?
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I've now run it 3 times on codepad.org and all three times a() was much faster than b().
– Jeremy Ruten
Nov 29 '08 at 1:38
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Java regex email
First of all, I know that using regex for email is not recommended but I gotta test this out.
20 Answers
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What is the difference between the bridge pattern and the strategy pattern?
...apsulate out a specific behavior and not the entire implementation) would know/contain the strategy interface reference and the implementation to invoke the strategy behavior on it.
Intent is ability to swap behavior at runtime
class Context {
IStrategy strategyReference;
void strategic...
Why does changing the returned variable in a finally block not change the return value?
...u assigned a new stringbuffer to s, then the behavior would be the same as now.
– Ted Hopp
Apr 16 '13 at 7:21
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Declaring an enum within a class
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Nowadays - using C++11 - you can use enum class for this:
enum class Color { RED, BLUE, WHITE };
AFAII this does exactly what you want.
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Is there a way to programmatically scroll a scroll view to a specific edit text?
...ng the UI thread, when you can, after you've done all you had to do before now, do this (scroll). You're basically putting the scroll in the queue and letting the thread do it when it can, respecting the order of things it was doing before you requested it.
– Martin Marconcini
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How to check if an element is in an array
...rch through the book turned up nothing. Any idea how to check for this? I know that there is a method find that returns the index number, but is there a method that returns a boolean like ruby's #include? ?
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Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
...nough to advertise that users can override the dependency, as it's a well-known pattern, but I'll grant that overloaded constructors are marginally more 'in your face' :)
– Mark Seemann
Jul 20 '11 at 7:21
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