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C++, Free-Store vs Heap
Dynamic allocations with new/delete are said to take place on the free-store , while malloc/free operations use the heap .
I'd like to know if there is an actual difference, in practice.
Do compilers make a distinction between the two terms? ( Free store and Heap , not new/malloc )
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How to annotate MYSQL autoincrement field with JPA annotations
...ething is out of sync (do a clean build, double check the build directory, etc) or something else is just wrong (check the logs for anything suspicious).
Regarding the dialect, the only difference between MySQL5Dialect or MySQL5InnoDBDialect is that the later adds ENGINE=InnoDB to the table object...
Vim Regex Capture Groups [bau -> byau : ceu -> cyeu]
...ter (and more magic-al) is to use \v, meaning that in the pattern after it all ASCII characters except '0'-'9', 'a'-'z', 'A'-'Z' and '_' have a special meaning:
:%s/\v(\w)(\w\w)/\1y\2/g
See:
:help \(
:help \v
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super() in Java
...havda, sure a child can be a parent, just like a student can be a teacher, etc. But I think you understand the difference compared to Animal -> Dog for instance. A Dog is necessarily an Animal. Parent/child is typically a has a relationship ("A parent has a child") while an Animal/dog is an "is a...
What is the difference between a port and a socket?
...because a connection is identified by both its local and remote endpoints, allowing traffic to be routed to a specific service instance.
There can only be one listener socket for a given address/port combination.
Exposition
This was an interesting question that forced me to re-examine a number of...
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, ...
How to remove debugging from an Express app?
....listen(app, { log: false });
Where app is node.js http server / express etc.
You forgot to mention you are also using socket.io. This is coming from socket.io. You can disable this by configuration:
io.set('log level', 1); // reduce logging
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How to handle multiple cookies with the same name?
...nger paths are listed before cookies with shorter paths.
NOTE: Not all user agents sort the cookie-list in this order, but this
order reflects common practice when this document was written, and,
historically, there have been servers that (erroneously) depended on
this order.
There i...
How to default to other directory instead of home directory
...to your PATH env variable s.t. u can exec cmds like p-g for pinging google etc...
– Juri
Oct 14 '14 at 20:16
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How does '20 seconds' work in Scala?
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There are a few things going on.
First, Scala allows dots and parens to be omitted from many method calls, so 20 seconds is equivalent to 20.seconds()*.
Second, an "implicit conversion" is applied. Since 20 is an Int and Int has no seconds method, the compiler searches ...