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General suggestions for debugging in R
...od strategies for debugging in any language, and they apply here too (e.g. read this nice article). For instance, the first thing is to reproduce the problem...if you can't do that, then you need to get more information (e.g. with logging). Once you can reproduce it, you need to reduce it down to ...
“Eliminate render-blocking CSS in above-the-fold content”
...ly successful. Things like deferring scripts worked beautifully, since I already had an in-house version of jQuery's .ready() to defer scripts until the page had loaded fully, all I had to do was inline that particular function and move the full scripts to the end of the page. That worked great.
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When should I use Lazy?
...s the cost at first use and may use some locking overhead (or sacrifices thread safety if not) to do so. Thus, it should be chosen carefully and not used unless needed.
– James Michael Hare
Jun 11 '13 at 20:23
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Rails: How does the respond_to block work?
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No kidding. If you already know how to code, rails might not be for you :-P
– Limited Atonement
Sep 15 at 15:46
add a com...
Simple way to transpose columns and rows in SQL?
...he XML has a second scan of dtTranspose table but this time from a logical read – data cache.
You can find some more about these solutions (including some actual T-SQL exmaples) in this article:
https://www.sqlshack.com/multiple-options-to-transposing-rows-into-columns/
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Efficient evaluation of a function at every cell of a NumPy array
...former array in your original question. I'm sorry I missed that when first reading it. Yeah, in that case the double loop must be faster. But have you also tried a single loop on the flattened view of the array? That might be slightly faster, since you save a little loop overhead and Numpy needs to ...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...r "double". As for the actual sizes used.. depending on which standard you read, each size may have a minimum number of bits, but they're all defined such that each is at least as large as the previous type.
– C. M.
Jan 27 '15 at 23:37
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Using arrays or std::vectors in C++, what's the performance gap?
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@toto : It is a misunderstanding: You should read it as "Using a static array will be at best ((as fast as the boost::array version) && (a lot less safe))". I'll edit the post to clarify this. By the way, thank you for the benefit of the doubt.
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Why should Java ThreadLocal variables be static
I was reading the JavaDoc for Threadlocal here
7 Answers
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What is Castle Windsor, and why should I care?
...d of Castle Windsor until I started participating in Stack Overflow. I've read the Castle Windsor "Getting Started" guide, but it's not clicking.
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