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Using getopts to process long and short command line options
...ith caveats:
getopts can't enforce the opt spec. It can't return errors if the user supplies an invalid option. You have to do your own error-checking as you parse OPTARG.
OPTARG is used for the long option name, which complicates usage when your long option itself has an argument. You end up hav...
Bash set +x without it being printed
Does anyone know if we can say set +x in bash without it being printed:
5 Answers
5
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XPath to select multiple tags
Given this simplified data format:
4 Answers
4
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When to use valueChangeListener or f:ajax listener?
What's the difference between the following two pieces of code - with regards to listener placement?
2 Answers
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PHP Multidimensional Array Searching (Find key by specific value)
... $field, $value)
{
foreach($products as $key => $product)
{
if ( $product[$field] === $value )
return $key;
}
return false;
}
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Connect to a locally built Jekyll Server using mobile devices in the LAN
...0.0.0.0. GitHub will simply ignore this when you push, so it's safe to use if you don't mind having your work openly accessible on your network.
Without --host=0.0.0.0 Jekyll will output something like this when you start up:
$ jekyll serve
[...]
Server address: http://127.0.0.1:4000/
Server run...
Convert from List into IEnumerable format
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If you are not suppose to add something to the Collection then you should use/return IEnumerable.
– AZ_
Jun 25 '19 at 8:38
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Download multiple files with a single action
I am not sure if this is possible using standard web technologies.
19 Answers
19
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Is an empty href valid?
... value is valid), none of the existing answers references the relevant specifications.
An empty string can’t be a URI. However, the href attribute doesn’t only take URIs as value, but also URI references. An empty string may be a URI reference.
HTML 4.01
HTML 4.01 uses RFC 2396, where it says...
What is the best way to iterate over a dictionary?
I've seen a few different ways to iterate over a dictionary in C#. Is there a standard way?
30 Answers
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