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What do 'real', 'user' and 'sys' mean in the output of time(1)?
...d by the process. See below for a brief description of kernel mode (also known as 'supervisor' mode) and the system call mechanism.
User+Sys will tell you how much actual CPU time your process used. Note that this is across all CPUs, so if the process has multiple threads (and this process is ru...
Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...wrapped Optional" vs creating just a regular variable or constant?
If you know that it can be successfully unwrapped then why create an optional in the first place?
For example, why is this:
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What happens when a computer program runs?
I know the general theory but I can't fit in the details.
4 Answers
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Difference between a View's Padding and Margin
...n LinearLayout margin is supported, in AbsoluteLayout (considered obsolete now) - no.
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Is there a way to delete a line in Visual Studio without cutting it?
...n on the right (otherwise it won't be applied).
Finally > OK.
You can now open a .CPP file and use your shortcut to remove a line.
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How to create a drop-down list?
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the background drawable you used is now obsolete
– Alberto M
Dec 13 '17 at 11:05
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Is JavaScript guaranteed to be single-threaded?
JavaScript is known to be single-threaded in all modern browser implementations, but is that specified in any standard or is it just by tradition? Is it totally safe to assume that JavaScript is always single-threaded?
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How to do this in Laravel, subquery where in
...at comes close, and i've been puzzeling with similar queries for some time now. But where_in (laravel 3) requires 2 arguments, the second one being an array. Any idea how to get this right? Also, I don't think laravel 3 supports the from method.
– Marc Buurke
M...
What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
...Wikipedia page I referenced, and it supports RLE, PNG and JPEG. (I didn't know it supported PNG and JPEG content - learned something new!)
– coobird
Jan 8 '09 at 1:04
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Duplicate AssemblyVersion Attribute
...overwrite the existing AssemblyVersion instead of creating a new entry? I know that our build process does that but I am curious that why it doesn't overwrite the existing one. Is it badly implemented or is it a limitation?
– Aamir
Apr 25 '12 at 9:18
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