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With bash, how can I pipe standard error into another process?
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Bash 4 has this feature:
If `|&' is used, the standard error of command1 is connected to command2's standard input through the pipe; it is shorthand for 2>&1 |. This implicit redirection of the standard error is performed after any redirections specified by the command.
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CleanWPPAllFilesInSingleFolder error makes my project no longer load
...ent settings. I am not sure what setting I changed exactly as there was no error. However when I try and load the solution I get the following error for the project and it will no longer load.
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range() for floats
...robust. If you do it directly with floats, you risk having strange one-off errors due to how floats are represented internally. For instance, if you try list(frange(0, 1, 0.5)), it works fine and 1 is excluded, but if you try list(frange(0, 1, 0.1)), the last value you get is close to 1.0, which is ...
“Cannot update paths and switch to branch at the same time”
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I had a typo in my command which triggered this error; I wasn't spelling my remote correctly!
– qix
Oct 3 '14 at 22:13
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cleanest way to skip a foreach if array is empty [duplicate]
... code with an unnecessary if statement. If $items is empty php throws an error.
11 Answers
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How to check if a variable is set in Bash?
...e null | assign word |
| ${parameter:?word} | substitute parameter | error, exit | error, exit |
| ${parameter?word} | substitute parameter | substitute null | error, exit |
| ${parameter:+word} | substitute word | substitute null | substitute null |
| ${parameter+word} | ...
How to check if a Unix .tar.gz file is a valid file without uncompressing?
...the filesystem. If the tar file is corrupt, the process will abort with an error.
Example of failed tar ball test...
$ echo "this will not pass the test" > hello.tgz
$ tar -xvzf hello.tgz -O > /dev/null
gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error exit delayed from...
How to debug heap corruption errors?
...emingly random occasions, I get a "Windows has triggered a break point..." error with a note that this might be due to a corruption in the heap. These errors won't always crash the application right away, although it is likely to crash short after.
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Swift - class method which must be overridden by subclass
...erridden by every subclass, and which, if it is not, causes a compile time error?
6 Answers
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Cleanest way to write retry logic?
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+1, especially for the warning and error-checking. I'd be more comfortable if this passed in the type of the exception to catch as a generic parameter (where T: Exception), though.
– TrueWill
Oct 13 '09 at 22:55
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