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Why are elementwise additions much faster in separate loops than in a combined loop?

... Upon further analysis of this, I believe this is (at least partially) caused by the data alignment of the four-pointers. This will cause some level of cache bank/way conflicts. If I've guessed correctly on how you are allocating your arrays, they are likely to be aligned to the page line....
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How do I break out of a loop in Perl?

...nd assuming you were just feeding given some scalar variable... but why do all that work just to use a break, it is (very) bad form, not to mention (blah!)just saying, its "possible" just not a good idea & not what you may think it is – osirisgothra Sep 1 '...
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Array extension to remove object by value

...with a protocol extension method. removeObject() is defined as a method on all types conforming to RangeReplaceableCollectionType (in particular on Array) if the elements of the collection are Equatable: extension RangeReplaceableCollectionType where Generator.Element : Equatable { // Remove f...
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How to add facebook share button on my website?

... You don't need all that code. All you need are the following lines: <a href="https://www.facebook.com/sharer/sharer.php?u=example.org" target="_blank"> Share on Facebook </a> Documentation can be found at https://developers...
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Python naming conventions for modules

I have a module whose purpose is to define a class called "nib". (and a few related classes too.) How should I call the module itself? "nib"? "nibmodule"? Anything else? ...
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How to execute a MySQL command from a shell script?

... type it in here> ERROR 1049 (42000): Unknown database 'XXXXXXXX' Actually, I prefer to store the user and password in ~/.my.cnf so I don't have to put it on the command-line at all: [client] user = root password = XXXXXXXX Then: $ mysql -h "server-name" "database-name" < "filename.sql" ...
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Are Swift variables atomic?

... you, i.e.: class Car { static let sharedCar: Car = Car() // will be called inside of dispatch_once } private let sharedCar: Car2 = Car2() // same here class Car2 { } Update 05/25/16: Keep an eye out for swift evolution proposal https://github.com/apple/swift-evolution/blob/master/proposals...
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Storing Images in PostgreSQL

...we see that image sizes, and number of images, are growing and growing, in all applications... We need some distinction between "original image" and "processed image", like thumbnail. As Jcoby's answer says, there are two options, then, I recommend: use blob (Binary Large OBject): for original imag...
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XPath with multiple conditions

... | edited Feb 24 at 11:05 Udhav Sarvaiya 5,6361010 gold badges3232 silver badges4242 bronze badges ...
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.htm vs .html ? Which file extension naming is more correct? [closed]

...ays use the shorter .htm for our file names since file extensions are typically 3 characters long. AND MORE ON: http://www.sightspecific.com/~mosh/WWW_FAQ/ext.html or http://www.sightspecific.com/~mosh/WWW_FAQ/ext.htm I think I should add this part here: There is one single slight difference betw...