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Is it possible to append to innerHTML without destroying descendants' event listeners?
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Now, it is 2012, and jQuery has append and prepend functions that do exactly this, add content without effecting current content. Very useful.
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How to use enums in C++
...Days { Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday, Friday };
Now, Saturday, Sunday, etc. can be used as top-level bare constants,and Days can be used as a type:
Days day = Saturday; // Days.Saturday is an error
And similarly later, to test:
if (day == Saturday)
// ...
These...
What does the property “Nonatomic” mean?
...fault (which is atomic; there used to be no keyword for this, but there is now), then the @synthesized methods use an object-level lock to ensure that multiple reads/writes to a single property are serialized. As the Apple docs point out, this doesn't mean the whole object is thread-safe, but the in...
Is there a /dev/null on Windows?
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2 of the links here are now broken. :(
– Michael Foukarakis
Jan 1 at 8:12
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npm install errors with Error: ENOENT, chmod
...hat seems like a bit of a confusing way of doing things. Not at a computer now, but I will try it in a few hours.
– giodamelio
Aug 2 '13 at 15:35
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Getting a list of files in a directory with a glob
...wesome... I have been pissing around with other approaches for a whole day now! Great. The main trick is just knowing what to search for on StackO!
– Cliff Ribaudo
Jan 13 '12 at 0:29
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When should I use nil and NULL in Objective-C?
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This accepted answer fails to acknowledge that [NSNull null] is a very different beast. To quote from NSNull Class Reference, "The NSNull class defines a singleton object used to represent null values in collection objects (which don’t allow nil values)." ...
Convert from ASCII string encoded in Hex to plain ASCII?
...as familiar with Python 3. This solution also won't work in 1 as far as I know.
– cjm
Mar 10 '12 at 17:46
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Java equivalents of C# String.Format() and String.Join()
I know this is a bit of a newbie question, but are there equivalents to C#'s string operations in Java?
16 Answers
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Determine if variable is defined in Python [duplicate]
How do you know whether a variable has been set at a particular place in the code at runtime? This is not always obvious because (1) the variable could be conditionally set, and (2) the variable could be conditionally deleted. I'm looking for something like defined() in Perl or isset() in PHP or...