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How can I do division with variables in a Linux shell?
... commands in my shell as below, it returns an expr: non-integer argument error. Can someone please explain this to me?
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Git: Discard all changes on a diverged local branch
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Actually, I tried this one first and it threw a ton of errors making by local copy nearly unusable. Delete / recreate may have been less elegant, but I didn't have to ask any follow-up questions.
– Electrons_Ahoy
Aug 5 '10 at 22:03
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How to concatenate string variables in Bash
...ikthxbye
This is useful when
$blaohai
leads to a variable not found error. Or if you have spaces or other special characters in your strings. "${foo}" properly escapes anything you put into it.
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Automatically capture output of last command into a variable using Bash?
...;2) because the standard output of tee must be redirected back to standard error.
– Hugues
Jan 30 '17 at 6:03
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Read a file line by line assigning the value to a variable
...ed, that handling doesn't need to be fancy -- it can just be "exit with an error" -- but if you have no handling at all, then your behavior in unexpected cases is undefined.
– Charles Duffy
Jun 8 '17 at 20:26
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iOS 7's blurred overlay effect using CSS?
...e demo no longer works. The content goes below the phone, and I get the JS error "TypeError: sheet.addRule is not a function"
– BoffinBrain
Apr 29 '15 at 10:10
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Array versus List: When to use which?
...ther case. Setting the List to read-only does help but results in run-time errors, not compile-time.
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Git resolve conflict using --ours/--theirs for all files
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I get error: path 'foo/bar/blah' does not have our version.
– Robin Green
May 15 '18 at 14:47
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Create ArrayList from array
...y));
Make sure that myArray is the same type as T. You'll get a compiler error if you try to create a List<Integer> from an array of int, for example.
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How to activate JMX on my JVM for access with jconsole?
...is not necessarily required
but without it, it doesn't work on Ubuntu. The error would be something like
this:
01 Oct 2008 2:16:22 PM sun.rmi.transport. customer .TCPTransport$AcceptLoop executeAcceptLoop
WARNING: RMI TCP Accept-0: accept loop for ServerSocket[addr=0.0.0.0/0.0.0.0,port=0,localport=...