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A fast method to round a double to a 32-bit int explained
When reading Lua's source code, I noticed that Lua uses a macro to round a double to a 32-bit int . I extracted the macro , and it looks like this:
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How to add column if not exists on PostgreSQL?
Question is simple. How to add column x to table y , but only when x column doesn't exist ? I found only solution here how to check if column exists.
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CSS3's border-radius property and border-collapse:collapse don't mix. How can I use border-radius to
Edit - Original Title: Is there an alternative way to achieve border-collapse:collapse in CSS (in order to have a collapsed, rounded corner table)?
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Can Objective-C switch on NSString?
Is there a more intelligent way to rewrite this?
13 Answers
13
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How to programmatically cause a core dump in C/C++
I would like to force a core dump at a specific location in my C++ application.
10 Answers
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How should I copy Strings in Java?
At this point, the backup variable still contains the original value "hello" (this is because of String's immutability right?).
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Or versus OrElse
What's the difference between or and OrElse ?
8 Answers
8
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How to append text to an existing file in Java?
I need to append text repeatedly to an existing file in Java. How do I do that?
31 Answers
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Efficiently convert rows to columns in sql server
I'm looking for an efficient way to convert rows to columns in SQL server, I heard that PIVOT is not very fast, and I need to deal with lot of records.
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Play audio with Python
How can I play audio (it would be like a 1 second sound) from a Python script?
22 Answers
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