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What is “vectorization”?

...lements of two arrays and stores the results to a third array. for (int i=0; i<16; ++i) C[i] = A[i] + B[i]; Unrolling this loop would transform it into something like this: for (int i=0; i<16; i+=4) { C[i] = A[i] + B[i]; C[i+1] = A[i+1] + B[i+1]; C[i+2] = A[i+2] + B[i+2...
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Environment variable substitution in sed

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Maven2 property that indicates the parent directory

... answered Jun 19 '09 at 18:34 ClayClay 2,56722 gold badges1515 silver badges1616 bronze badges ...
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Using jQuery to replace one tag with another

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How to insert a line break before an element using CSS

... 270 It's possible using the \A escape sequence in the psuedo-element generated content. Read more in...
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sendmail: how to configure sendmail on ubuntu? [closed]

...onfig directory: cd /etc/mail #Make a auth subdirectory mkdir auth chmod 700 auth #Create a file with your auth information to the smtp server cd auth touch client-info #In the file, put the following, matching up to your smtp server: AuthInfo:your.isp.net "U:root" "I:user" "P:password" #Generat...
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Customize UITableView header section

... 290 You can try this: -(UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInte...
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MVC4 StyleBundle not resolving images

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Generate random numbers following a normal distribution in C/C++

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When to use LinkedList over ArrayList in Java?

... get(int index) is O(n) (with n/4 steps on average), but O(1) when index = 0 or index = list.size() - 1 (in this case, you can also use getFirst() and getLast()). One of the main benefits of LinkedList<E> add(int index, E element) is O(n) (with n/4 steps on average), but O(1) when index = 0 or...