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How to unescape HTML character entities in Java?
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The libraries mentioned in other answers would be fine solutions, but if you already happen to be digging through real-world html in your project, the Jsoup project has a lot more to offer than just managing "ampersand pound FFFF semicolon" thi...
Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
In Java Servlets, one can access the response body via response.getOutputStream() or response.getWriter() . Should one call .close() on this OutputStream after it has been written to?
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How to put more than 1000 values into an Oracle IN clause [duplicate]
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The max number of values in an IN clause is yet one of those limitations that you are never supposed to be limited by.
– erikkallen
Dec 31 '08 at 11:23
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What does Ruby have that Python doesn't, and vice versa?
...it's missing some of the useful syntactic sugar. However, there's at least one way to get it in an ad-hoc fashion. See, for example, here.
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How to join multiple lines of file names into one with custom delimiter?
I would like to join the result of ls -1 into one line and delimit it with whatever i want.
22 Answers
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Why use pointers? [closed]
...d printf to print the content of the memory address pointed to by 'a' plus one (in this example above), and we wouldn't have had to put the * in front:
printf("Second char is: %s", (a+1)); /* WRONG */
But this would not have just printed the second character, but instead all characters in the nex...
Can't pickle when using multiprocessing Pool.map()
...ethard's contribution to this thread (towards the end of the thread) shows one perfectly workable approach to allow method pickling/unpickling via copy_reg.
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How do you get the rendered height of an element?
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One word - awesome! Thanks for everyone's participation. Lots of good info on this thread. This will allow me to center pages using CSS but use jQuery to make the overall height of the "container" div correct without venturi...
Is it safe to remove selected keys from map within a range loop?
How can one remove selected keys from a map?
Is it safe to combine delete() with range, as in the code below?
4 Answers
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How can I generate an MD5 hash?
... MD5 instance of MessageDigest you can use.
The compute the hash by doing one of:
Feed the entire input as a byte[] and calculate the hash in one operation with md.digest(bytes).
Feed the MessageDigest one byte[] chunk at a time by calling md.update(bytes). When you're done adding input bytes, ca...