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Argparse: Required argument 'y' if 'x' is present
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No, there isn't any option in argparse to make mutually inclusive sets of options.
The simplest way to deal with this would be:
if args.prox and (args.lport is None or args.rport is None):
parser.error("--prox requires --lport and --rport.")
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How to test which port MySQL is running on and whether it can be connected to?
I have installed MySQL and even logged in there as a user.
13 Answers
13
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Visual Studio 2010 isn't building before a run when there are code changes
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Yup this fixed it for me! Just clicked all the checkbox's next to build in the configuration manager. Thanks Tim!
– chaz
Mar 30 '12 at 3:38
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Resizing SVG in html?
..., and one of the things I've heard about the format is that it doesn't get all pixelated when you zoom in on it.
8 Answers
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Is quoting the value of url() really necessary?
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The W3C says quotes are optional, all three of your ways are legal.
Opening and closing quote just need to be the same character.
If you have special characters in your URL, you should use quotes or escape the characters (see below).
Syntax and basic data...
Why are ToLookup and GroupBy different?
... I ever bother with GroupBy? Why should it exist?
What happens when you call ToLookup on an object representing a remote database table with a billion rows in it?
The billion rows are sent over the wire, and you build the lookup table locally.
What happens when you call GroupBy on such an object...
Is there a way to make AngularJS load partials in the beginning and not at when needed?
...cs.angularjs.org/api/ng.directive:script) to put your partials in the initially loaded HTML
You could also fill in $templateCache (http://docs.angularjs.org/api/ng.$templateCache) from JavaScript if needed (possibly based on result of $http call)
If you would like to use method (2) to fill in $tem...
What is the most efficient way to create HTML elements using jQuery?
... to identify it as an element and create the element itself.
You should really run benchmarks with different Javascript engines and weigh your audience with the results. Make a decision from there.
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Dump a mysql database to a plaintext (CSV) backup from the command line
...ne file per table is fine). But if there are advantages to mysqldump, I'm all ears. Also, I'd like something I can run from the command line (linux). If that's a mysql script, pointers to how to make such a thing would be helpful.
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Handler “ExtensionlessUrlHandler-Integrated-4.0” has a bad module “ManagedPipelineHandler” in its mo
...nformation Services (IIS).
The solution
I would recommend removing the call to SimpleWorkerRequest. Instead, you can use a Microsoft solution to make sure your web site automatically starts up after it recycles. What you need is the Microsoft Application Initialization Module for IIS 7.5. It is n...