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How do cache lines work?

... This answer makes absolutely no sense. What does the 64bit memory bandwidth (which is also wrong in that regard) to do with the 64 byte(!) not bit to do? Also the 10 to 30 ns are also totally wrong if you hit the Ram. It might be true for the L3 or L2 cache but not for...
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What is :: (double colon) in Python when subscripting sequences?

...an use something like string[3:4] to get a substring in Python, but what does the 3 mean in somesequence[::3] ? 10 Answe...
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How to make input type= file Should accept only pdf and xls

... You could do so by using the attribute accept and adding allowed mime-types to it. But not all browsers do respect that attribute and it could easily be removed via some code inspector. So in either case you need to check the file type...
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SQL Server Profiler - How to filter trace to only display events from one database?

How do I limit a SQL Server Profiler trace to a specific database? I can't see how to filter the trace to not see events for all databases on the instance I connect to. ...
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How to convert an NSTimeInterval (seconds) into minutes

... pseudo-code: minutes = floor(326.4/60) seconds = round(326.4 - minutes * 60) share | improve this answer | ...
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What is the fastest way to compute sin and cos together?

...NCOS was added at 387 processors, so you can hardly find a processor which doesn't support it. Edit: Intel's documentation states that FSINCOS is just about 5 times slower than FDIV (i.e., floating point division). Edit: Please note that not all modern compilers optimize calculation of sine and co...
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Passing properties by reference in C#

I'm trying to do do the following: 13 Answers 13 ...
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“Pretty” Continuous Integration for Python

... So how does one run the auditing from Pylint then? When I do nosetests --with-xunit --enable-audit I get nosetests: error: no such option: --enable-audit – Adam Parkin Mar 19 '12 at 23:00 ...
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Return multiple values in JavaScript?

...n browsers aside from IE support this syntax, but you can compile ES6 code down to IE-compatible JavaScript at build time with tools like Babel. share | improve this answer | ...
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Tricky Google interview question

... Relevant link: en.wikipedia.org/wiki/Regular_number#Algorithms. I don't think this is a very good interview question by the way. Here is a (handwritten paper) by Dijkstra where he provides and proves an algorithm for this problem: cs.utexas.edu/users/EWD/ewd07xx/EWD792.PDF ...