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How are everyday machines programmed?

...d the like were running dos (some brands), sadly some of those run windows now (grocery store or other self checkout lines). The desire to have tv shows blaring at you while you pump your gas, and dancing baloney on the screen when not, has lead to more horsepower. Likewise the coke and water mach...
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Rotating a point about another point (2D)

I'm trying to make a card game where the cards fan out. Right now to display it Im using the Allegro API which has a function: ...
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Difference between Rebuild and Clean + Build in Visual Studio

...ou execute Clean sln + Build sln, they will give a link error and let you know that immediately, instead of giving you an app with odd behavior. share | improve this answer | ...
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How do I calculate a point on a circle’s circumference?

... I've been trying to derive this equation for an hour now. Thanks. Who know the trig identities you learned in high school would be so helpful. – Isioma Nnodum May 28 '14 at 22:37 ...
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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting

...atforms, do not include the weights even if it provides better results. Now, if you can use scipy, you could use scipy.optimize.curve_fit to fit any model without transformations. For y = A + B log x the result is the same as the transformation method: >>> x = numpy.array([1, 7, 20, 50...
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Android ListView with different layouts for each row

...to have a single ListView that contains different layouts for each row. I know how to create a custom row + custom array adapter to support a custom row for the entire list view, but how can I implement many different row styles in the ListView? ...
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Flask-SQLalchemy update a row's information

...esd_at = db.Column(db.DateTime) I just run obj.used_at = datetime.datetime.now() db.session.commit() But not value set to the field. – Rukeith Oct 30 '18 at 3:51 ...
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Java regex email

First of all, I know that using regex for email is not recommended but I gotta test this out. 20 Answers ...
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What is the advantage of using Restangular over ngResource?

...t Restangular can also handle all of your URLs, so that you don't have to know anything about them. Suppose that you have something like this for cars : /users/123/cars/456 In $resource, You'd have to construct that URL manually and you'd also have to construct the $resource object for this manual...
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Is a Java string really immutable?

We all know that String is immutable in Java, but check the following code: 15 Answers ...