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What does the property “Nonatomic” mean?
What does "nonatomic" mean in this code?
9 Answers
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Why does parseInt(1/0, 19) return 18?
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The result of 1/0 is Infinity.
parseInt treats its first argument as a string which means first of all Infinity.toString() is called, producing the string "Infinity". So it works the same as if you asked it to convert "Infinity" in base 19 to...
Check if array is empty or null
I would like to know how to check if an array is empty or null in jQuery. I tried array.length === 0 but it didn't work. It did not throw any error either.
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Why can't I overload constructors in PHP?
...g able to overload my constructors in PHP, so what I'd really like to know is why .
14 Answers
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Android: open activity without save into the stack
I have 2 activities: Main and List.
10 Answers
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How do I watch a file for changes?
...path of the directory with the one of the file you want to watch).
Otherwise, polling will probably be the only really platform-independent option.
Note: I haven't tried any of these solutions.
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What is the best open-source java charting library? (other than jfreechart) [closed]
... charting libraries for Java?. The only successful opensource project in this area seems to be jfreechart, and it doesn't even have any documentation or examples available.
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How do I get the last inserted ID of a MySQL table in PHP?
I have a table into which new data is frequently inserted. I need to get the very last ID of the table. How can I do this?
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Converting string to Date and DateTime
...rmat of YYYY-mm-dd ? The only reason I ask for both Date and DateTime is because I need one in one spot, and the other in a different spot.
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Calculate a Running Total in SQL Server
...ing SQL Server 2012 see: https://stackoverflow.com/a/10309947
The problem is that the SQL Server implementation of the Over clause is somewhat limited.
Oracle (and ANSI-SQL) allow you to do things like:
SELECT somedate, somevalue,
SUM(somevalue) OVER(ORDER BY somedate
ROWS BETWEEN UNBO...