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Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
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There are multiple reasons why the C compiler cannot automatically reorder the fields:
The C compiler doesn't know whether the struct represents the memory structure of objects beyond the current compilation unit (for example: a foreign library, a file on disc, network data, CPU page tables,...
boost::flat_map and its performance compared to map and unordered_map
...of a map. It doesn't seem to be nearly as popular as your typical map / unordered_map so I haven't been able to find any performance comparisons. How does it compare and what are the best use cases for it?
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How to write an inline IF statement in JavaScript?
..., which one depends on the type of operator. Certain other languages, like PHP, carry on the actual result of the operation i.e. true or false, meaning the result is always true or false; e.g:
14 && 0 /// results as 0, not false
14 || 0 /// results as 14, not true
1 &...
How to inherit from a class in javascript?
In PHP/Java one can do:
15 Answers
15
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Scala framework for a Rest API Server? [closed]
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In no particular order:
Akka HTTP
Spray
Paypal squbs (Akka/Spray)
DropWizard
REST.li
http4s
Blue Eyes
Finagle - A fault tolerant, protocol-agnostic RPC system
Play! and Play-mini! (article) (tutorial)
Lift / Lift JSON.- makes it simp...
Why would a JavaScript variable start with a dollar sign? [duplicate]
... the dollar script sign (in Javascript and the jQuery platform, but not in PHP) is completely semantic. $ is a character that can be used as part of an identifier name. In addition, the dollar sign is perhaps not the most "weird" thing you can encounter in Javascript. Here are some examples of valid...
Update all objects in a collection using LINQ
... {c.PropertyToSet = value; return c;}).ToList();
The ToList is needed in order to evaluate the select immediately due to lazy evaluation.
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Find and replace with sed in directory and sub directories
... worked for me:
find ./ -type f -exec sed -i '' 's#NEEDLE#REPLACEMENT#' *.php {} \;
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(13: Permission denied) while connecting to upstream:[nginx]
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thanks. I needed to yum install policycoreutils-python in order to get audit2allow first. Reference: centos.org/forums/viewtopic.php?t=5012
– gross.jonas
Nov 13 '14 at 9:57
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How to check if two arrays are equal with JavaScript? [duplicate]
...if (a.length !== b.length) return false;
// If you don't care about the order of the elements inside
// the array, you should sort both arrays here.
// Please note that calling sort on an array will modify that array.
// you might want to clone your array first.
for (var i = 0; i < a....