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In the shell, what does “ 2>&1 ” mean?
In a Unix shell, if I want to combine stderr and stdout into the stdout stream for further manipulation, I can append the following on the end of my command:
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Converting RGB to grayscale/intensity
When converting from RGB to grayscale, it is said that specific weights to channels R, G, and B ought to be applied. These weights are: 0.2989, 0.5870, 0.1140.
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Programmatically get the cache line size?
All platforms welcome, please specify the platform for your answer.
8 Answers
8
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How can I determine installed SQL Server instances and their versions?
I'm trying to determine what instances of sql server/sql express I have installed (either manually or programmatically) but all of the examples are telling me to run a SQL query to determine this which assumes I'm already connected to a particular instance.
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Styling Google Maps InfoWindow
I've been attempting to style my Google Maps InfoWindow , but the documentation is very limited on this topic. How do you style an InfoWindow ?
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How do I get the application exit code from a Windows command line?
I am running a program and want to see what its return code is (since it returns different codes based on different errors).
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Convert line-endings for whole directory tree (Git)
Following situation:
6 Answers
6
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What's the Best Way to Shuffle an NSMutableArray?
If you have an NSMutableArray , how do you shuffle the elements randomly?
12 Answers
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Removing first x characters from string?
How might one remove the first x characters from a string? For example, if one had a string lipsum , how would they remove the first 3 characters and get a result of sum ?
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How do I fix blurry text in my HTML5 canvas?
I am a total n00b with HTML5 and am working with the canvas to render shapes, colors, and text. In my app, I have a view adapter that creates a canvas dynamically, and fills it with content. This works really nicely, except that my text is rendered very fuzzy/blurry/stretched. I have seen a ...