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An example of how to use getopts in bash
... ;;
*)
usage
;;
esac
done
shift $((OPTIND-1))
if [ -z "${s}" ] || [ -z "${p}" ]; then
usage
fi
echo "s = ${s}"
echo "p = ${p}"
Example runs:
$ ./myscript.sh
Usage: ./myscript.sh [-s <45|90>] [-p <string>]
$ ./myscript.sh -h
Usage: ...
How can I temporarily disable a foreign key constraint in MySQL?
...rying the 'best answer' didn't work for me. Perhaps an explanation of the difference could be added.
– hexnet
Aug 27 '15 at 12:37
8
...
Refactoring in Vim
... the refactor - :g and :s are no brainers. Usually it'll let me quickly modify a large number of files with very little effort. Honestly, I use this method more than any other.
Depending on your workflow the built-in commands might be slow/inconvenient. If you use git, then you'll wanna use the exc...
How to add a WiX custom action that happens only on uninstall (via MSI)?
I would like to modify an MSI installer (created through WiX ) to delete an entire directory on uninstall.
6 Answers
...
Plot yerr/xerr as shaded region rather than error bars
... @BenjaminBannier I'm not fully sure what you mean. It sounds as if you'd like a box drawn at each point, its height the same as that of the error bar, while the width should be such that they connect (touch) the neighbouring boxes. Is that correct?
– user707650
...
Delete file from internal storage
...d by the ih.getImgPath()? What you'd passed as an argument to delete file? If the method above didn't work then most likely stored your file out of application package. Or you might have passed wrong file name as an argument.
– Konstantin Burov
Apr 1 '11 at 7:2...
How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
...
Use header to modify the HTTP header:
header('Content-Type: text/html; charset=utf-8');
Note to call this function before any output has been sent to the client. Otherwise the header has been sent too and you obviously can’t change it an...
NSDate beginning of day and end of day
...
I have a strange behaviour where if I add the day component I get 23:00 of the previous day.
– Mike M
Jul 18 '14 at 10:24
3
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Multi-statement Table Valued Function vs Inline Table Valued Function
...ent, I have revised my original statement. He is correct, there will be a difference in performance between an inline table valued function (ITVF) and a multi-statement table valued function (MSTVF) even if they both simply execute a SELECT statement. SQL Server will treat an ITVF somewhat like a VI...
org.xml.sax.SAXParseException: Content is not allowed in prolog
..., which is allowed before the XML declaration can be treated as whitespace if the document is handed as a stream of characters to an XML parser rather than as a stream of bytes.
The same can happen if schema files (.xsd) are used to validate the xml file and one of the schema files has an UTF-8 BOM...