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class
... idea here.
http://viewsourcecode.org/why/hacking/seeingMetaclassesClearly.html
And if the blows you away then try looking up Ruby Object Model in search.
Two videos that I know of on YouTube are Dave Thomas and Peter Cooper. They try to explain that concept too. It took Dave a long time to get it s...
How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
...d in (some) detail at https://www.postgresql.org/docs/9.6/static/pgupgrade.html .
The only "tricky" aspect of pg_upgrade is that failure to pass the correct value for an argument, or failure to be logged-in as the correct user or cd to the correct location before executing a command, may lead to cr...
mongoDB/mongoose: unique if not null
...db, it will not be replaced." - mongoosejs.com/docs/2.7.x/docs/schematypes.html
– damphat
Oct 21 '13 at 10:15
I don't ...
Which is best way to define constants in android, either static class, interface or xml resource?
... http://developer.android.com/training/basics/supporting-devices/languages.html
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What is a Manifest in Scala and when do you need it?
...
http://debasishg.blogspot.com/2010/06/scala-implicits-type-classes-here-i.html
Context bounds can also just make the method signatures more readable. For example, the above function could be re-written using context bounds like so:
def foo[T: Manifest](x: List[T]) = {
if (manifest[T] <:...
SOAP or REST for Web Services? [closed]
...rgument, but using, say, martinfowler.com/articles/richardsonMaturityModel.html as an example -- there's still a fair amount of semantic interpretation needed, after parsing the XML, before you get to the link elements that are the "hypermedia controls".)
– metamatt
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Execute and get the output of a shell command in node.js
...e shell command execution
* @see https://nodejs.org/api/child_process.html#child_process_child_process_exec_command_options_callback
*/
childProcess.exec(command, function(error, standardOutput, standardError) {
if (error) {
reject();
return;
}
if (s...
Why do we need a pure virtual destructor in C++?
... novices and is best avoided until later." parashift.com/c++-faq-lite/abcs.html#faq-22.4 Wikipedia (that bastion of correctness) also says likewise. I believe the ISO/IEC standard uses similar terminology (unfortunately my copy is at work at the moment)... I agree that it's confusing, and I gener...
What does gcc's ffast-math actually do?
... you add some references? Like gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html "-ffast-math Sets -fno-math-errno, -funsafe-math-optimizations, -ffinite-math-only, -fno-rounding-math, -fno-signaling-nans and -fcx-limited-range. This option causes the preprocessor macro FAST_MATH to be defined." and ...
How to store a list in a column of a database table
...se capnproto is not supported in your language of choice msgpack.org/index.html
– VoronoiPotato
Apr 25 '16 at 18:53
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