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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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Given a URL to a text file, what is the simplest way to read the contents of the text file?
In Python, when given the URL for a text file, what is the simplest way to access the contents off the text file and print the contents of the file out locally line-by-line without saving a local copy of the text file?
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Can I load a UIImage from a URL?
I have a URL for an image (got it from UIImagePickerController) but I no longer have the image in memory (the URL was saved from a previous run of the app). Can I reload the UIImage from the URL again?
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How do I use format() on a moment.js duration?
Is there any way I can use the moment.js format method on duration objects? I can't find it anywhere in the docs and it doesn't seen to be an attribute on duration objects.
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Delete empty lines using sed
...ly whitespace:
sed '/^[[:space:]]*$/d'
A shorter version that uses ERE, for example with gnu sed:
sed -r '/^\s*$/d'
(Note that sed does NOT support PCRE.)
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How to draw circle in html page?
...reate a rectangle with rounded corners (via border-radius) that are one-half the width/height of the circle you want to make.
#circle {
width: 50px;
height: 50px;
-webkit-border-radius: 25px;
-moz-border-radius: 25px;
border-radius: 25px;
background...
How do I pronounce “=>” as used in lambda expressions in .Net
... => p.Age > 16 reads as "P, such that p.Age is greater than 16."
In fact, I asked this very question on the official linq pre-release forums, and Anders Hejlsberg responded by saying
I usually read the => operator as "becomes" or "for which". For example,
Func f = x => x * 2;
Fu...
Eclipse - “Workspace in use or cannot be created, chose a different one.” [duplicate]
...hought that I can share that workspace between users. The problem is that after I create the workspace and change the permission on it, I encounter the error below (image) without even switching to a different user.
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How does Bluebird's util.toFastProperties function make an object's properties “fast”?
In Bluebird's util.js file , it has the following function:
1 Answer
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How do I skip an iteration of a `foreach` loop?
In Perl I can skip a foreach (or any loop) iteration with a next; command.
8 Answers
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