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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...
What does T&& (double ampersand) mean in C++11?
...that std::unique_ptr can be legally stored in Standard containers, sorted, etc, whereas C++03's std::auto_ptr cannot.
Now we consider the other use of rvalue references- perfect forwarding. Consider the question of binding a reference to a reference.
std::string s;
std::string& ref = s;
(std::...
Cross-browser testing: All major browsers on ONE machine
...patibility check run and update where necessary.
Clear the cache, history, etc. using Ctrl Shift Del.
Repeat this step for each Firefox version.
6. Opera
Opera: A list of all installers is available on Opera.com. Multiple versions can be installed side-by-side without any problems. During ...
What does do?
...patible it tells IE how to behave in regards to the value you set (IE=edge etc) if it is not there IE will show the site how it thinks best it should be shown. That could be compatibility mode or that could be the latest version of IE. Whatever Microsoft/IE thinks is best. Make sense?
...
Verifying signed git commits?
...ate a signature made by an expired key, a signature made by a revoked key, etc.
New output letters have been assigned to express them.
According to gpg2's doc/DETAILS:
For each signature only one of the codes GOODSIG, BADSIG, EXPSIG, EXPKEYSIG, REVKEYSIG or ERRSIG will be emitted.
...