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What is the fastest way to compute sin and cos together?
I would like to compute both the sine and co-sine of a value together (for example to create a rotation matrix). Of course I could compute them separately one after another like a = cos(x); b = sin(x); , but I wonder if there is a faster way when needing both values.
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Where do “pure virtual function call” crashes come from?
I sometimes notice programs that crash on my computer with the error: "pure virtual function call".
8 Answers
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Node.js or Erlang
I really like these tools when it comes to the concurrency level it can handle.
9 Answers
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How to remove newlines from beginning and end of a string?
I have a string that contains some text followed by a blank line. What's the best way to keep the part with text, but remove the whitespace newline from the end?
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Underscore vs Double underscore with variables and methods [duplicate]
Somebody was nice enough to explain to me that __method() mangles but instead of bothering him further since there are a lot of other people who need help I was wondering if somebody could elaborate the differences further.
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IIS Express gives Access Denied error when debugging ASP.NET MVC
I have created an ASP.NET MVC 3 project, and am using IIS Express as the web server when developing. When I try to debug, I get the error message below.
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Get array of object's keys
I would like to get the keys of a JavaScript object as an array, either in jQuery or pure JavaScript.
7 Answers
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Differences between Perl and PHP [closed]
...HP until now, I wanted to know a bit about how the languages differ from each other.
6 Answers
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How do you open an SDF file (SQL Server Compact Edition)? [closed]
I have an SDF file and I would like to retrieve its schema and query it with some UI. How can I do this? I have no Visual Studio installed on the machine and I would like to install as little software as possible.
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If Python is interpreted, what are .pyc files?
...n is an interpreted language...
However, when I look at my Python source code I see .pyc files, which Windows identifies as "Compiled Python Files".
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