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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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How can I see the entire HTTP request that's being sent by my Python application?

...brary to call PayPal's API over HTTPS. Unfortunately, I'm getting an error from PayPal, and PayPal support cannot figure out what the error is or what's causing it. They want me to "Please provide the entire request, headers included". ...
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What is the best method of handling currency/money?

... If you insist on using integers, you will have to manually convert to and from BigDecimals everywhere, which will probably just become a pain. As pointed out by mcl, to print the price, use: number_to_currency(price, :unit => "€") #=> €1,234.01 ...
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In-Place Radix Sort

...binary representation and this string representation is going to be, apart from using at least 4 times as much memory as needed – Stephan Eggermont Jan 22 '09 at 17:44 ...
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The calling thread cannot access this object because a different thread owns it

... problem with people getting started. Whenever you update your UI elements from a thread other than the main thread, you need to use: this.Dispatcher.Invoke(() => { ...// your code here. }); You can also use control.Dispatcher.CheckAccess() to check whether the current thread owns the cont...
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Add regression line equation and R^2 on graph

... = 300, label = lm_eqn(df), parse = TRUE) EDIT. I figured out the source from where I picked this code. Here is the link to the original post in the ggplot2 google groups share | improve this an...
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How to set a Default Route (To an Area) in MVC

...e is to first create an abstract AreaAwareViewEngine that derives directly from VirtualPathProviderViewEngine instead of WebFormViewEngine. I did this so that if you want to create Spark views instead (or whatever), you can still use this class as the base type. The code below is pretty long-winded...
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Why is there no String.Empty in Java?

...Buffer if you want to be thread-safe) and turn that into a String. Update From your comment to the question: What inspired this is actually TextBox.setText(""); I believe it would be totally legitimate to provide a constant in your appropriate class: private static final String EMPTY_STRIN...
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What is the purpose of the reader monad?

... is it equipped with? What is it good for? How is the monad implemented? From where does it arise? From the first approach, the reader monad is some abstract type data Reader env a such that -- Reader is a monad instance Monad (Reader env) -- and we have a function to get its environment as...
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Making code internal but available for unit testing from other projects

...ting used in isolation. Therefore you shouldn't really be testing it apart from testing some other class that makes use of that object internally. Just as you shouldn't test private members of a class, you shouldn't be testing internal classes of a DLL. Those classes are implementation details of s...