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Permutations in JavaScript?
...ng(event.target));
})
.on('complete', function() {
console.log('Fastest is ' + this.filter('fastest').map('name'));
})
.run({async: true});
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.min.js"></script>
<script src="https://cdnjs.cloud...
How to filter SQL results in a has-many-through relation
... all know, curiosity has a reputation for killing cats.
So, which is the fastest way to skin a cat?
The precise cat-skinning environment for this test:
PostgreSQL 9.0 on Debian Squeeze with decent RAM and settings.
6.000 students, 24.000 club memberships (data copied from a similar database wit...
What's the idiomatic syntax for prepending to a short python list?
...ouble ended queue) has support for "making space at the front" and is much faster in this case.
– fejfo
Mar 18 at 14:49
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If REST applications are supposed to be stateless, how do you manage sessions?
... you use JWT which have a signature, signature verification is fast so you can check the validity of that state.
– Archimedes Trajano
Jan 5 '18 at 15:59
add a comm...
When should I use malloc in C and when don't I?
...frees, and all kinds of error handling. Things can get really messy really fast. This is one of the reasons I much prefer modern C++ over C in applicable cases, but that's a whole nother topic.
So whenever you use malloc, always make sure your memory is as likely to be freed as possible.
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Tools for analyzing performance of a Haskell program
...hat, since the values don't change.
To measure which of your functions is faster, consider using criterion, which will provide statistically robust information about sub-microsecond improvements in running time.
Addenda
Since numDivs is 100% of your running time, touching other parts of the pro...
What are the disadvantages of using persistent connection in PDO
...is held open at the process manager level (Apache for mod_php, the current FastCGI process if you're using FastCGI, etc), not at the PHP level, and PHP doesn't tell the parent process to let the connection die when the script terminates abnormally.
If the dead script locked tables, those tables wil...
Arrays, heap and stack and value types
...lly describe what's at the memory taken up by the variable, not a hard and fast rule on where the object lives.
– cHao
Apr 24 '13 at 14:21
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When is memoization automatic in GHC Haskell?
...sor's cache. In fact, under GHC 6.12.1, the function f is almost twice as fast when compiled without optimizations than it is compiled with -O2.
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Why doesn't RecyclerView have onItemClickListener()?
... ;).
In my opinion the most complex feature removed in RecyclerView is the Fast Scroll. Most of the other features can be easily re-implemented.
If you want to know what other cool features RecyclerView added read this answer to another question.
Memory efficient - drop-in solution for onItemClickLi...