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Why is processing a sorted array slower than an unsorted array?
...r perform very nicely. They have great locality of reference.
The penalty from cache misses outweighs the saved branch prediction penalty in this case.
Try switching to a struct-tuple. This will restore performance because no pointer-dereference needs to occur at runtime to access tuple members.
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Java EE web development, where do I start and what skills do I need? [closed]
...arn, at least at a basic level, how to build Java web applications (coming from a .NET background). I would like to be able to build, deploy a simple CMS type application from the ground up.
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Determine a string's encoding in C#
...es sense only for byte streams. If you have a string it is already encoded from someone along the way who already knew or guessed the encoding to get the string in the first place.
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Does Django scale? [closed]
...raffic on Django built sites, so I'll have to take a stab at it using data from various locations. First, we have a list of Django sites on the front page of the main Django project page and then a list of Django built sites at djangosites.org. Going through the lists and picking some that I know ...
Java 8 Streams - collect vs reduce
...also another reduce method, where you can return objects of type different from elements of the stream.
– Konstantin Milyutin
Oct 14 '14 at 10:25
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How to add minutes to my Date
...onvenience method to add a specified number of minutes to a Date object
* From: http://stackoverflow.com/questions/9043981/how-to-add-minutes-to-my-date
* @param minutes The number of minutes to add
* @param beforeTime The time that will have minutes added to it
* @return A date object with...
What happens if you call erase() on a map element while iterating from begin to end?
...C++03
Erasing elements in a map does not invalidate any iterators.
(apart from iterators on the element that was deleted)
Actually inserting or deleting does not invalidate any of the iterators:
Also see this answer:
Mark Ransom Technique
But you do need to update your code:
In your code you i...
How to execute an external program from within Node.js?
Is it possible to execute an external program from within node.js? Is there an equivalent to Python's os.system() or any library that adds this functionality?
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Google Guava vs. Apache Commons [closed]
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From the faq:
Google Collections FAQ
Why did Google build all this, when it could have tried to improve the Apache Commons Collections instead?
The Apache Commons Collections very clearly did not meet our needs. It
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How can you list the matches of Vim's search?
...e f -name '*.pm' -o -name '*.pl'`
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" how-to search for the "srch" from the current dir recursively in the shell
" vim -c ':vimgrep /srch/ `find . -type f \| grep -v .git \| grep -v .log`'
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" how-to highlight the after the search the searchable string
" in normmal mode press...