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Hibernate vs JPA vs JDO - pros and cons of each? [closed]
...cially when there are a lot of objects.
There is a detailed technical description of Hibernate's dirty checking mechanism in this SO answer:
JPA with HIBERNATE insert very slow
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How does libuv compare to Boost/ASIO?
... yes Asio
Sending: yes no
IPC:
UNIX Domain Sockets: yes Asio
Windows Named Pipe: yes Asio
Process Management:
Detaching: yes Process
I/O Pipe: yes Process
Spawning: ...
Where are my postgres *.conf files?
...stgresql superuser (e.g. sudo -u postgres psql).
– Skippy le Grand Gourou
Dec 6 '14 at 19:23
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Single Page Application: advantages and disadvantages [closed]
... any else..
these days you can safely assume the client will have javascript enabled browsers.
only one entry point of the site. As I mentioned earlier maintenance of state is possible you can have any number of entry points as you want but you should have one for sure.
even in an SPA user only ...
Why do access tokens expire?
...r, it will refresh and send me a new one. What's to stop that? Don't say IP Address or even MAC, because that's unreasonable.
– Suamere
Sep 24 '15 at 18:57
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RabbitMQ and relationship between channel and connection
...nections.
You can use one Channel for everything. However, if you have multiple threads, it's suggested to use a different Channel for each thread.
Channel thread-safety in Java Client API Guide:
Channel instances are safe for use by multiple threads. Requests into
a Channel are serialized, ...
How to debug Lock wait timeout exceeded on MySQL?
...ySQL thread id 276558, OS thread handle 0x7f93762e7710, query id 59264109 [ip] [database] cleaning up
Trx read view will not see trx with id >= 2744943821, sees < 2744943821
(unsure if the "Trx read view" message is related to the frozen lock, but unlike the other active transactions, this o...
Should I use Vagrant or Docker for creating an isolated environment? [closed]
... what you want.
Vagrant is a virtual machine manager. It allows you to script the virtual machine configuration as well as the provisioning. However, it is still a virtual machine depending on VirtualBox (or others) with a huge overhead. It requires you to have a hard drive file that can be huge, i...
Why does one use dependency injection?
...So, e.g. an interface may be something such as IDisposable, IEnumerable or IPrintable. A class is an actual implementation of one or more of these interfaces: List or Map may both be implementations of IEnumerable.
To get the point: Often your classes depend on each other. E.g. you could have a Dat...
What are the differences between local branch, local tracking branch, remote branch and remote track
...m:Flimm/example.git
HEAD branch: master
Remote branches:
io-socket-ip new (next fetch will store in remotes/origin)
master tracked
new-branch tracked
Local ref configured for 'git pull':
master merges with remote master
new-branc...