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Does pandas iterrows have performance issues?

...sing loc one-row-at-a-time) Using a custom Cython routine is usually too complicated, so let's skip that for now. 1) Vectorization is ALWAYS, ALWAYS the first and best choice. However, there is a small set of cases (usually involving a recurrence) which cannot be vectorized in obvious ways. Furth...
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Why are these numbers not equal?

...ed exactly in IEEE floating point arithmetic (the standard that almost all computers use to represent decimal numbers and do math with them), you will not always get what you expected. This is especially true because some values which are simple, finite decimals (such as 0.1 and 0.05) are not repres...
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Suppress warning CS1998: This async method lacks 'await'

...: public Task<int> Fail() // note: no "async" { var tcs = new TaskCompletionSource<int>(); tcs.SetException(new NotImplementedException()); return tcs.Task; } If you have a lot of methods throwing NotImplementedException (which itself may indicate that some design-level refactor...
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How to check task status in Celery?

...s how it was actually supposed to be used. Have a read of the code: github.com/celery/celery/blob/… – nevelis Apr 23 '18 at 17:50  |  show 3...
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What is “loose coupling?” Please provide examples

... @Wedge Could you react to my comment please? – plalx Oct 30 '13 at 20:53 ...
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How do I make JavaScript beep?

... You may also experience browser compatibility issues with this style of playing sound. PLaying sound from a browser in a cross-browser compatible way is hard! – krosenvold May 18 '09 at 19:19 ...
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Difference between Bridge pattern and Adapter pattern

...umental in understanding how the Bridge Pattern's "Implementor" (dofactory.com/net/bridge-design-pattern) is different from an "Adapter". – Jordan Sep 3 '14 at 13:16 3 ...
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What's the difference between the various methods to get a Context?

... I agree that documentation is sparse when it comes to Contexts in Android, but you can piece together a few facts from various sources. This blog post on the official Google Android developers blog was written mostly to help address memory leaks, but provides some good...
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What is Linux’s native GUI API?

...s, keyboards and pointer devices. X Window defines a network protocol for communication, and any program that knows how to "speak" this protocol can use it. There is a C library called Xlib that makes it easier to use this protocol, so Xlib is kind of the native GUI API. Xlib is not the only way to...
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REST URI convention - Singular or plural name of resource while creating it

...ople. Conventions matter and SHOULD be debated constructively amongst the community, that's where better solutions come about and good practices. When you are using both plural and singular for resource names in URIs, it complicates your code and the API because the user and the code behind the AP...