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What is the purpose of the reader monad?
...eneralizedNewtypeDeriving extension to derive Functor, Applicative, Monad, etc. for newtypes based on their underlying types.
– Rein Henrichs
Jan 18 '14 at 19:02
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What and where are the stack and heap?
... the processor translates to physical addresses and there are page faults, etc. They keep track of what pages belong to which applications. You never really need to worry about this, though, because you just use whatever method your programming language uses to allocate and free memory, and check ...
How can I link to a specific glibc version?
...cially mostly self-contained libs like image loaders, multimedia decoders, etc can cause less breakage on other distros (breakage can be caused e.g. if only present somewhere in a different major version) if you statically ship them.
With that approach you get an old-GLIBC-compatible binary withou...
Are the decimal places in a CSS width respected?
...fford showed.
[*] You can use some techniques like 0.5 offset box-shadow, etc, but the actual box model properties will paint to a full CSS pixel.
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What would cause an algorithm to have O(log n) complexity?
...big-Oh of log(N) because there's no way to force it into the criteria we sketched out above.
You can pick that arbitrary constant to be c=10, and if your list has N=32 elements, you're fine: 10*log(32) = 50, which is greater than the runtime of 32. But if N=64, 10*log(64) = 60, which is less tha...
ReactJS Two components communicating
...ly as a replacement to redux-thunk for handling side-effects (ie API calls etc). Most people currently think it only services for side-effects but it is actually more about decoupling components.
It is more of a compliment to a Flux architecture (or Redux) than a totally new communication system, ...
RegEx for matching UK Postcodes
...e is a single string before it gets anywhere near Elastic, Solr, Postgres, etc.
– John Powell
Jun 9 at 9:19
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In Flux architecture, how do you manage Store lifecycle?
...natedList
Stores pagination state and enforces certain assertions (can't fetch page while fetching, etc).
class PaginatedList {
constructor(ids) {
this._ids = ids || [];
this._pageCount = 0;
this._nextPageUrl = null;
this._isExpectingPage = false;
}
getIds() {
return thi...
How to make an OpenGL rendering context with transparent background?
...ng the
OpenGL extensions string. Don't be fooled by sub-strings,
etc. */
for ( start = extList; ; ) {
where = strstr( start, extension );
if ( !where )
break;
terminator = where + strlen( extension );
if ( where == start || *(where - 1) == ' ' )
if ( *termi...
Difference between GIT and CVS
...e one where she/he publishes that part which is ready), and they can pull/fetch from each other repositories, in symmetric fashion. On the other hand it is common for larger project to have socially defined/nominated central repository from which everyone pull from (get changes from).
Finally Gi...