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How to create a CPU spike with a bash command

I want to create a near 100% load on a Linux machine. It's quad core system and I want all cores going full speed. Ideally, the CPU load would last a designated amount of time and then stop. I'm hoping there's some trick in bash. I'm thinking some sort of infinite loop. ...
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How to resize an image with OpenCV2.0 and Python2.6

I want to use OpenCV2.0 and Python2.6 to show resized images. I used and adopted this example but unfortunately, this code is for OpenCV2.1 and does not seem to be working on 2.0. Here my code: ...
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Is there a built-in function to print all the current properties and values of an object?

So what I'm looking for here is something like PHP's print_r function. 25 Answers 25...
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List of all index & index columns in SQL Server DB

How do I get a list of all index & index columns in SQL Server 2005+? The closest I could get is: 30 Answers ...
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check if a std::vector contains a certain object? [duplicate]

Is there something in <algorithm> which allows you to check if a std:: container contains something? Or, a way to make one, for example: ...
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How to make HTML Text unselectable [duplicate]

I would like to add text to my webpage as a label and make it unselectable. 4 Answers ...
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How to install Boost on Ubuntu

I'm on Ubuntu, and I want to install Boost. I tried with 7 Answers 7 ...
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How do I get the current date and time in PHP?

Which PHP function can return the current date/time? 38 Answers 38 ...
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How do I list all the columns in a table?

For the various popular database systems, how do you list all the columns in a table? 12 Answers ...
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Why does Java switch on contiguous ints appear to run faster with added cases?

I am working on some Java code which needs to be highly optimized as it will run in hot functions that are invoked at many points in my main program logic. Part of this code involves multiplying double variables by 10 raised to arbitrary non-negative int exponent s. One fast way (edit: but no...