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Retrieve CPU usage and memory usage of a single process on Linux?
I want to get the CPU and memory usage of a single process on Linux - I know the PID. Hopefully, I can get it every second and write it to a CSV using the 'watch' command. What command can I use to get this info from the Linux command-line?
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Rails: How to change the text on the submit button in a Rails Form
i have listed my _form.html.erb file below what i would like to do is change the text on the submit button i know how to do it in html but not shure how to do it in Rails 3
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How to jump to a specific character in vim?
...won't be matched) to change the highlighted search string. There is also :set invhls which is useful for toggling the highlights off and on (I map this to a shortcut for quick toggling).
– FazJaxton
Apr 4 '19 at 14:34
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Edit a commit message in SourceTree Windows (already pushed to remote)
...n seeing situation. When you have just made typo in a hurry, you have to reset head and create new commit again.
– Rantiev
May 29 '15 at 9:19
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What __init__ and self do on Python?
... the stack and would be discarded when the init method goes out of scope. Setting those variables as self._x and self._y sets those variables as members of the Point object (accessible for the lifetime of the object).
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Python list directory, subdirectory, and files
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Print second last column/field in awk
I want to print the second last column or field in awk. The number of fields is variable. I know that I should be able to use $NF but not sure how it can be used.
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One-liner to recursively list directories in Ruby?
What is the fastest, most optimized, one-liner way to get an array of the directories (excluding files) in Ruby?
9 Answer...
Big-oh vs big-theta [duplicate]
It seems to me like when people talk about algorithm complexity informally, they talk about big-oh. But in formal situations, I often see big-theta with the occasional big-oh thrown in.
I know mathematically what the difference is between the two, but in English, in what situation would using big-oh...
How do I find the next commit in git? (child/children of ref)
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what I found is
git rev-list --ancestry-path commit1..commit2
where I set commit1 as the current commit and commit2 to the current head. This returns me a list of all commits which build a path between commit1 and commit2.
The last line of the output is the child of commit1 (on the path to com...