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What are the disadvantages to declaring Scala case classes?
If you're writing code that's using lots of beautiful, immutable data structures, case classes appear to be a godsend, giving you all of the following for free with just one keyword:
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How to gracefully handle the SIGKILL signal in Java
How do you handle clean up when the program receives a kill signal?
5 Answers
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Differences between detach(), hide() and remove() - jQuery
... with the matched elements.
To re-insert a detached element into the DOM, simply insert the returned jQuery set from detach():
var span = $('span').detach();
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span.appendTo('body');
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How to disable HTML links
I have a link button inside a <td> which I have to disable. This works on IE but not working in Firefox and Chrome.
Structure is - Link inside a <td> . I cannot add any container in the <td> (like div/span)
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What is the ultimate postal code and zip regex?
...paces, others dots, the number of characters can vary from two to at least six...
What you could do (theoretically) is create a seperate regex for every country in the world, not recommendable IMO. But you would still be missing on the validation part: Zip code 12345 may exist, but 12346 not, maybe...
How to refresh app upon shaking the device?
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Mahendra Liya
10.5k1010 gold badges7575 silver badges103103 bronze badges
answered Feb 23 '10 at 13:18
Thilo KöhlerThilo Köhler
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What is the difference between sigaction and signal?
I was about to add an extra signal handler to an app we have here and I noticed that the author had used sigaction() to set up the other signal handlers. I was going to use signal() . To follow convention I should use sigaction() but if I was writing from scratch, which should I choose?
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Stack vs heap allocation of structs in Go, and how they relate to garbage collection
...lways allocates on the heap") and in others the compiler does "escape analysis" to decide if an object can live on the stack or if it must be allocated on the heap.
In your example 2, escape analysis would show the pointer to the struct escaping and so the compiler would have to allocate the struct...
How to get UTF-8 working in Java webapps?
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Answering myself as the FAQ of this site encourages it. This works for me:
Mostly characters äåö are not a problematic as the default character set used by browsers and tomcat/java for webapps is latin1 ie. ISO-8859-1 which "understands" those characters.
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How does Access-Control-Allow-Origin header work?
...ntrol-Allow-Origin is a CORS (Cross-Origin Resource Sharing) header.
When Site A tries to fetch content from Site B, Site B can send an Access-Control-Allow-Origin response header to tell the browser that the content of this page is accessible to certain origins. (An origin is a domain, plus a sch...