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Why would one use the Publish/Subscribe pattern (in JS/jQuery)?

... That is an excellent answer. Could not stop myself up-voting this :) – Naveed Butt May 14 '15 at 4:19 1 ...
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Nearest neighbors in high-dimensional data?

... Top answers are good but old, so I'd like to add up a 2016 answer. As said, in a high dimensional space, the curse of dimensionality lurks around the corner, making the traditional approaches, such as the popular k-d tree,...
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What's the best way of scraping data from a website? [closed]

...r crawling code that logs the exact issues, alerts you to the problem and stops crawling. Now you can update your cache, run your unit tests and see what you need to change. Legal Issues The law here can be slightly dangerous if you do stupid things. If the law gets involved you are dealing with p...
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How expensive is RTTI?

...ve. dynamic_cast is the only way to search the inheritance tree for real. Stop thinking about potential savings by disabling RTTI and just use it. If you are over capacity then optimise your code bloat. Try to avoid using dynamic_cast inside inner loops or any other performance critical code and you...
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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?

...d to recheck that your game still works. What if you want to create a desktop and a web app? If your view-model contains the game logic, it would become complicated trying to maintain these two applications side-by-side as the application logic would inevitably be bound up with the business logic ...
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What is a magic number, and why is it bad? [closed]

...at you do is you have the 50 in different places - your SQL script (SELECT TOP 50 * FROM orders), your Website (Your Last 50 Orders), your order login (for (i = 0; i < 50; i++)) and possibly many other places. Now, what happens when someone decides to change 50 to 25? or 75? or 153? You now have...
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What are the differences between the threading and multiprocessing modules?

... or GUI app is to allow you to do long-running "background tasks" without stopping the main thread from continuing to service network packets or GUI events. And that works just fine with Python threads. (In technical terms, this means Python threads give you concurrency, even though they don't give ...
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Text size and different android screen sizes

...nt to use for tablet-style devices, you might determine that the layout stops working well when the screen is less than 600dp wide. This threshold thus becomes the minimum size that you require for your tablet layout. As such, you can now specify that these layout resources should be used ...
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Hiding the scroll bar on an HTML page

... the right answer : overflow:hidden doesn't "hide" the scrollbar. It also stop scrolling feature on the page. That's not exactly what we ask for. – adriendenat Mar 13 '13 at 21:41 ...
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Approximate cost to access various caches and main memory?

...in SnB and Haswell. Nehalem--which this Xeon uses--was before the ring bus topology and had a unified cache but I don't see why the snoop filter would behave any differently in Nehalem. The optimisation manual section B.3.5.3 gives what I feel like is an incorrect description (it clearly pertains to...