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Grab a segment of an array in Java without creating a new array on heap
...o create a sub array from an array and aren't to worried that it uses some more memory. They come across this question and get the answer they want - so please don't delete as it's useful - I think that's ok.
– The Lonely Coder
Apr 3 '15 at 11:39
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How do I force Postgres to use a particular index?
...The reasons are basically that it's a performance hack that tends to cause more problems later down the line as your data changes, whereas PostgreSQL's optimizer can re-evaluate the plan based on the statistics. In other words, what might be a good query plan today probably won't be a good query pla...
Get URL query string parameters
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To get a more readable output, you can wrap the print_r() statement in <pre> tags: echo '<pre>'.print_r($_SERVER, TRUE).'</pre>';.
– Amal Murali
Mar 21 '14 at 12:08
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How to convert java.util.Date to java.sql.Date?
...classes such as java.util.Date, Calendar, & SimpleDateFormat.
To learn more, see the Oracle Tutorial. And search Stack Overflow for many examples and explanations. Specification is JSR 310.
The Joda-Time project, now in maintenance mode, advises migration to the java.time classes.
You may exchan...
Is a Python dictionary an example of a hash table?
...1, in <module>
TypeError: list objects are unhashable
You can read more about hash tables or check how it has been implemented in python and why it is implemented that way.
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Convert seconds value to hours minutes seconds?
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You should have more luck with
hours = roundThreeCalc.divide(var3600, BigDecimal.ROUND_FLOOR);
myremainder = roundThreeCalc.remainder(var3600);
minutes = myremainder.divide(var60, BigDecimal.ROUND_FLOOR);
seconds = myremainder.remainder(var...
Useful code which uses reduce()? [closed]
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Is there an equivalent of lsusb for OS X
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Difference between SRC and HREF
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NOTE: @John-Yin's answer is more appropriate considering the changes in the specs.
Yes. There is a differentiation between src and href and they can't be used interchangeably. We use src for replaced elements while href for establishing a relationshi...