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JOIN queries vs multiple queries
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This is way too vague to give you an answer relevant to your specific case. It depends on a lot of things. Jeff Atwood (founder of this site) actually wrote about this. For the most part, though, if you have the right indexes a...
jQuery.inArray(), how to use it right?
... index of the element in the array, not a boolean indicating if the item exists in the array. If the element was not found, -1 will be returned.
So, to check if an item is in the array, use:
if(jQuery.inArray("test", myarray) !== -1)
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Javascript foreach loop on associative array object
Why my for for-each loop is not iterating over my JavaScript associative array object?
9 Answers
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Catch a thread's exception in the caller thread in Python
... I have a script that will copy files to another location. I would like this to be placed in another thread so I can output .... to indicate that the script is still running.
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Which concurrent Queue implementation should I use in Java?
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Basically the difference between them are performance characteristics and blocking behavior.
Taking the easiest first, ArrayBlockingQueue is a queue of a fixed size. So if you set the size at 10, and attempt to insert an 11th element, the insert statement will block until another thread...
URLEncoder not able to translate space character
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This behaves as expected. The URLEncoder implements the HTML Specifications for how to encode URLs in HTML forms.
From the javadocs:
This class contains static methods for
converting a String to the
application/x-www-f...
Is there a constraint that restricts my generic method to numeric types?
Can anyone tell me if there is a way with generics to limit a generic type argument T to only:
21 Answers
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Difference between a SOAP message and a WSDL?
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A SOAP document is sent per request. Say we were a book store, and had a remote server we queried to learn the current price of a particular book. Say we needed to pass the Book's title, number of pages and ISBN number to the server.
Whenev...
How can I troubleshoot my Perl CGI script?
I have a Perl script that isn't working and I don't know how to start narrowing down the problem. What can I do?
8 Answers
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Weighted random numbers
...s. I'm currently just banging my head against the wall and cannot figure this out.
7 Answers
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