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How can I check if an argument is defined when starting/calling a batch file?

I'm trying to use the following validation logic in a batch file but the "usage" block never executes even when no parameter is supplied to the batch file. ...
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val() doesn't trigger change() in jQuery [duplicate]

I'm trying to trigger the change event on a text box when I change its value with a button, but it doesn't work. Check this fiddle . ...
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Get The Current Domain Name With Javascript (Not the path, etc.)

I plan on buying two domain names for the same site. Depending on which domain is used I plan on providing slightly different data on the page. Is there a way for me to detect the actual domain name that the page is loading from so that I know what to change my content to? ...
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Check if an element contains a class in JavaScript?

Using plain JavaScript (not jQuery), Is there any way to check if an element contains a class? 26 Answers ...
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How can I inject a property value into a Spring Bean which was configured using annotations?

I have a bunch of Spring beans which are picked up from the classpath via annotations, e.g. 18 Answers ...
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How to change the Eclipse default workspace?

Where can I change the default workspace in Eclipse? 15 Answers 15 ...
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Testing web application on Mac/Safari when I don't own a Mac

Having been caught out recently when a web site I launched displayed perfectly on IE, Firefox, Chrome and Safari on Windows but was corrupted when viewed using Safari on the Mac (by a potential customer), I need to start testing how my sites look when viewed on a Mac. ...
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How do I create some kind of table of content in GitHub wiki?

If you look here: http://en.wikipedia.org/wiki/Stack_Overflow 9 Answers 9 ...
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Git: See my last commit

I just want to see the files that were committed in the last commit exactly as I saw the list when I did git commit . Unfortunately searching for ...
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Cast List to List

How can I cast List<Client> to List<IDic> ? 8 Answers 8 ...