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Evaluating a mathematical expression in a string

This returns the following error: 11 Answers 11 ...
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Generating an Excel file in ASP.NET [closed]

I am about to add a section to an ASP.NET app (VB.NET codebehind) that will allow a user to get data returned to them as an Excel file, which I will generate based on database data. While there are several ways of doing this, each has its own drawbacks. How would you return the data? I'm lookin...
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Why does document.querySelectorAll return a StaticNodeList rather than a real Array?

It bugs me that I can't just do document.querySelectorAll(...).map(...) even in Firefox 3.6, and I still can't find an answer, so I thought I'd cross-post on SO the question from this blog: ...
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Internal typedefs in C++ - good style or bad style?

Something I have found myself doing often lately is declaring typedefs relevant to a particular class inside that class, i.e. ...
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String concatenation in Ruby

I am looking for a more elegant way of concatenating strings in Ruby. 16 Answers 16 ...
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Is MATLAB OOP slow or am I doing something wrong?

I'm experimenting with MATLAB OOP , as a start I mimicked my C++'s Logger classes and I'm putting all my string helper functions in a String class, thinking it would be great to be able to do things like a + b , a == b , a.find( b ) instead of strcat( a b ) , strcmp( a, b ) , retrieve first...
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Waiting on a list of Future

I have a method which returns a List of futures 11 Answers 11 ...
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How to ignore xargs commands if stdin input is empty?

Consider this command: 6 Answers 6 ...
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C: differences between char pointer and array [duplicate]

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Rails: Logging the entire stack trace of an exception

I have been trying to figure out the right way to log a stack trace. I came across this link which states that logger.error $!, $!.backtrace is the way to go but that does not work for me log_error does. As per documentation I do not see how passing a second argument to the error method would ...