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Best way to define private methods for a class in Objective-C
...you can create a category with an empty name (i.e. @interface MyClass ()) called Class Extension. What's unique about a class extension is that the method implementations must go in the same @implementation MyClass as the public methods. So I structure my classes like this:
In the .h file:
@interf...
How do I create a unique constraint that also allows nulls?
...contains null values for this columns. How do I create the constraint that allows multiple null values?
14 Answers
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Bootstrap: Open Another Modal in Modal
...lass('modal-open');
}
});
UPDATE: When you have stacked modals, all the backdrops appear below the lowermost modal. You can fix that by adding the following CSS:
.modal-backdrop {
visibility: hidden !important;
}
.modal.in {
background-color: rgba(0,0,0,0.5);
}
This will give ...
For each row return the column name of the largest value
...
If I have two equal columns I usually just pick the first. These are border cases which do not upset my statistical analysis.
– dmvianna
Jul 18 '13 at 23:59
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How can I do something like a FlowLayout in Android?
...
thanks romain guy, that really helps. how about just giving the solution? or link?... I dont get how you answer was accepted.
– Johann Hilbold
Aug 2 '12 at 14:52
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Is there a way to escape a CDATA end token in xml?
... token ( ]]> ) within a CDATA section in an xml document. Or, more generally, if there is some escape sequence for using within a CDATA (but if it exists, I guess it'd probably only make sense to escape begin or end tokens, anyway).
...
Determine if running on a rooted device
...se;
} catch (Throwable t) {
return false;
} finally {
if (process != null) process.destroy();
}
}
}
share
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How to create circle with Bézier curves?
... as a valid decision (good enough and easy to calculate), but I would not call it optimal (at least not without writing in what sense it is optimal).
– Suma
Oct 7 '15 at 11:57
1
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Why use bzero over memset?
...e used if you want to ensure the compiler doesn't quietly optimize-away a call to "scrub" memory for some security-related purpose (such as blanking-out a region of memory that contained a sensitive piece of information such as a cleartext password).
– Christopher Schultz
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What is the purpose and use of **kwargs?
...t_name = John
last_name = Doe
You can also use the **kwargs syntax when calling functions by constructing a dictionary of keyword arguments and passing it to your function:
>>> kwargs = {'first_name': 'Bobby', 'last_name': 'Smith'}
>>> print_keyword_args(**kwargs)
first_name = B...