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How to obtain the number of CPUs/cores in Linux from the command line?
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Processing the contents of /proc/cpuinfo is needlessly baroque. Use nproc which is part of coreutils, so it should be available on most Linux installs.
Command nproc prints the number of processing units available to the current process, w...
sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
...on when in-place
editing files, as you risk corruption or partial content in situ-
ations where disk space is m>ex m>hausted, etc.
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Detect the Internet connection is offline?
...o google.com, and then polling the iframe for success/failure (m>ex m>amine the contents, etc). Embedding an image may not really tell us anything, because we need a useful response from the communication mechanism in order to draw a good conclusion about what's going on. So again, determining the stat...
Difference between single and double quotes in Bash
...$((..)) should always be considered over using let. Because inside it, the contents aren't subject to word-splitting. The previous m>ex m>ample using let can be simply written
Are there any cases when it's preferable to use a plain old Thread object instead of one of the newe
...ircumstances.
Where I work we wrote a 'background processor' as part of a content management system: a Windows service that monitors directories, e-mail addresses and RSS feeds, and every time something new shows up m>ex m>ecute a task on it - typically to import the data.
Attempts to use the thread po...
How do I record audio on iPhone with AVAudioRecorder?
...that have already been playing with the 3.0 SDK. I want to record audio in my application, but I want to use AVAudioRecorder and not the older way of recording like the m>ex m>ample SpeakHere shows. There are not any m>ex m>amples of how to best do this in the iPhone Dev Center and only reference to the ...
Convert Mercurial project to Git [duplicate]
I need to convert a mercurial project to a git project, but I would like to keep the commit history intact. My current solution was to just remove hg related files and then git init && add manually the files I needed, but that would not keep the history. Are there any solutions to this?
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C/C++ include header file order
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I don't think there's a recommended order, as long as it compiles! What's annoying is when some headers require other headers to be included first... That's a problem with the headers themselves, not with the order of includes.
My personal preference i...
Can you pass parameters to an AngularJS controller on creation?
I have a controller responsible for communicating with an API to update properties of a user, name, email, etc. Each user has an 'id' which is passed from the server when the profile page is viewed.
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How to find the 'sizeof' (a pointer pointing to an array)?
...ray a different size depending on runtime factors (command line arguments, contents of a file, phase of moon,etc).
– Paul Tomblin
Mar 3 '13 at 20:48
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