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C++ performance vs. Java/C#

My understanding is that C/C++ produces native code to run on a particular machine architecture. Conversely, languages like Java and C# run on top of a virtual machine which abstracts away the native architecture. Logically it would seem impossible for Java or C# to match the speed of C++ because ...
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Where can I set environment variables that crontab will use?

I have a crontab running every hour. The user running it has environment variabless in the .bash_profile that work when the user runs the job from the terminal, however, obviously these don't get picked up by crontab when it runs. ...
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Convert JS Object to form data

How can I can convert my JS Object to FormData ? 18 Answers 18 ...
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Cycles in family tree software

I am the developer of some family tree software (written in C++ and Qt). I had no problems until one of my customers mailed me a bug report. The problem is that the customer has two children with their own daughter, and, as a result, he can't use my software because of errors. ...
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Javascript equivalent of Python's zip function

Is there a javascript equivalent of Python's zip function? That is, given multiple arrays of equal lengths create an array of pairs. ...
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eclipse stuck when building workspace

I am using eclipse 3.4.1 Java EE under Vista. It seems to like getting stuck when building my workspace. Canceling the build doesn't seem to do anything as well. ...
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How do I keep two side-by-side divs the same height?

I have two divs side by side. I'd like the height of them to be the same, and stay the same if one of them resizes. I can't figure this one out though. Ideas? ...
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Can Powershell Run Commands in Parallel?

I have a powershell script to do some batch processing on a bunch of images and I'd like to do some parallel processing. Powershell seems to have some background processing options such as start-job, wait-job, etc, but the only good resource I found for doing parallel work was writing the text of a...
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DISTINCT for only one column

Let's say I have the following query. 8 Answers 8 ...
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Calculate a Running Total in SQL Server

Imagine the following table (called TestTable ): 15 Answers 15 ...