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Convert an NSURL to an NSString
... app bundle, in this case you can just use the [UIImage imageNamed:"name"] call which does the full job for you. But in the other cases you have to specify your full path.
– viggio24
Nov 14 '11 at 9:18
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Why is list initialization (using curly braces) better than the alternatives?
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Basically copying and pasting from Bjarne Stroustrup's "The C++ Programming Language 4th Edition":
List initialization does not allow narrowing (§iso.8.5.4). That is:
An integer cannot be converted to another integer that can...
PowerMockito mock single static method and return object
... supplies a default strategy for what Mockito/PowerMock should do when you call a method you haven't explicitly stubbed on the mock instance.
From the javadoc:
Creates class mock with a specified strategy for its answers to
interactions. It's quite advanced feature and typically you don't nee...
Order discrete x scale by frequency/value
...nd reorder changes characteristics of the data, albeit within the ggplot() call, and so does more than it need do for the problem at hand.
– mjandrews
Nov 22 '18 at 17:38
2
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android TextView: setting the background color dynamically doesn't work
Setting the background color programatically of an android TextView doesn't seem to work.
I'm I missing something!
14 Ans...
Git and Mercurial - Compare and Contrast
...s is provided by the fact, that reference to a new object is written (atomically, using create + rename trick) after writing an object.
Git repositories require periodic maintenance using git gc (to reduce disk space and improve performance), although nowadays Git does that automatically. (This met...
JPA : How to convert a native query result set to POJO class collection
...ception e) {
throw new RuntimeException(e);
}
}
This method basically takes a tuple array (as returned by native queries) and maps it against a provided POJO class by looking for a constructor that has the same number of fields and of the same type.
Then we can use convenient methods lik...
Jquery selector input[type=text]')
I wrote a code that basically selects all input type=text element like this:
4 Answers
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Python: fastest way to create a list of n lists
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@Paul: That would be way slower again due to the function call overhead of the lambda expression.
– Sven Marnach
Apr 1 '11 at 22:06
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How do I pass a variable by reference?
...do_with_the_old_string(the_string)
return new_string
# then you could call it like
my_string = return_a_whole_new_string(my_string)
If you really wanted to avoid using a return value, you could create a class to hold your value and pass it into the function or use an existing class, like a li...