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“Eliminate render-blocking CSS in above-the-fold content”
I've been using Google PageSpeed insights to try and improve my site's performance, and so far it's proven extremely 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 ha...
Get number of digits with JavaScript
...viour of floating point math, so cast-to-string approach will be more easy and fool proof. As mentioned by @streetlogics fast casting can be done with simple number to string concatenation, leading the replace solution to be transformed to:
var length = (number + '').replace('.', '').length; // fo...
Ignore python multiple return value
...= func()[0] to return the first value, x = func()[1] to return the second, and so on.
If you want to get multiple values at a time, use something like x, y = func()[2:4].
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What is the aspnet_client folder for under the IIS structure?
I notice that there's frequently an aspnet_client folder under the standard IIS web folder structure. What is this used for? Is it needed?
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What is Scala's yield?
I understand Ruby and Python's yield. What does Scala's yield do?
9 Answers
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Git cherry pick vs rebase
...-one.
Hence, possibly the most striking difference between these two commands is how they treat the branch they work on: git cherry-pick usually brings a commit from somewhere else and applies it on top of your current branch, recording a new commit, while git rebase takes your current branch and ...
How to drop columns by name in a data frame
I have a large data set and I would like to read specific columns or drop all the others.
11 Answers
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Unicode Processing in C++
... mundane tasks like string length, capitalization status, etc. Never use standard library builtins like is_alpha unless that is the definition you want.
I can't say it enough: never iterate over the indices of a string if you care about correctness, always use your unicode library for this.
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Pairs from single list
...ed to process a list by pairs. I was wondering which would be the pythonic and efficient way to do it, and found this on Google:
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...sing in the branch prediction table
moving the branch eliminated the alias and allowed the branch to be predicted correctly
Your Core2 doesn't keep a separate history record for each conditional jump. Instead it keeps a shared history of all conditional jumps. One disadvantage of global branch pr...