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Timer function to provide time in nano seconds using C++

...psets, so you may want to make sure you do not have those chipset. Additionally some dual core AMDs may also cause a problem. See the second post by sebbbi, where he states: QueryPerformanceCounter() and QueryPerformanceFrequency() offer a bit better resolution, but have different issues. ...
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Scala 2.8 breakOut

...breakOut itself. It is of type CanBuildFrom[Nothing,T,To]. We already know all these types, so we can determine that we need an implicit of type CanBuildFrom[Nothing,(Int,String),Map[Int,String]]. But is there such a definition? Let's look at CanBuildFrom's definition: trait CanBuildFrom[-From, -E...
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Setting PayPal return URL and making it auto return?

... if they don't have Auto Return enabled there, the buyer would need to manually click past the end of checkout in order to be redirected to that URL, rather than being redirected automatically. – SubGothius Aug 11 '16 at 20:58 ...
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What's the _ underscore representative of in Swift References?

...ng, s2: String) -> String { return s1 + s2; } } When you call foo(), it is called like bar.foo("Hello", s2: "World"). But, you can override this behavior by using _ in front of s2 where it's declared. func foo(s1: String, _ s2: String) -> String{ return s1 + s2; } Then, w...
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“Large data” work flows using pandas

... one contains different fields, or do they have some records per file with all of the fields in each file? Do you ever select subsets of rows (records) based on criteria (e.g. select the rows with field A > 5)? and then do something, or do you just select fields A, B, C with all of the records (a...
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What does 'super' do in Python?

... What's the difference? SomeBaseClass.__init__(self) means to call SomeBaseClass's __init__. while super(Child, self).__init__() means to call a bound __init__ from the parent class that follows Child in the instance's Method Resolution Order (MRO). If the instance is a subclass of ...
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How to use the PI constant in C++

... On some (especially older) platforms (see the comments below) you might need to #define _USE_MATH_DEFINES and then include the necessary header file: #include <math.h> and the value of pi can be accessed via: M_PI In my math....
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How do you debug PHP scripts? [closed]

...r_dump and print at various points to see where your flow goes wrong. When all else fails though and all I have is SSH and vim I still var_dump()/die() to find where the code goes south. share ...
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Removing duplicate objects with Underscore for Javascript

... .uniq/.unique accepts a callback var list = [{a:1,b:5},{a:1,c:5},{a:2},{a:3},{a:4},{a:3},{a:2}]; var uniqueList = _.uniq(list, function(item, key, a) { return item.a; }); // uniqueList = [Object {a=1, b=5}, Object {a=2}, Object {a=3}, Object ...
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Unable to find a locale path to store translations for file __init__.py

... Actually you can configure where the locale folder is. In your settings.py add: LOCALE_PATHS = ( PROJECT_ROOT + '/website/locale', ) Then create a folder for each of the languages you want to translate: mkdir -p website/...