大约有 26,000 项符合查询结果（耗时：0.0302秒） [XML]
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
... answers to What design decisions would favour Scala's Actors instead of JMS? .
3 Answers
...
Multiple INSERT statements vs. single INSERT with multiple VALUES
I'm running a performance comparison between using 1000 INSERT statements:
4 Answers
4...
Passing Data between View Controllers
I'm new to iOS and Objective-C and the whole MVC paradigm and I'm stuck with the following:
46 Answers
...
How to get the current date without the time?
I am able to get date and time using:
11 Answers
11
...
How to install packages offline?
What's the best way to download a python package and it's dependencies from pypi for offline installation on another machine? Is there any easy way to do this with pip or easy_install? I'm trying to install the requests library on a FreeBSD bom>x m> that is not connected to the internet.
...
SQLAlchemy: What's the difference between flush() and commit()?
What the difference is between flush() and commit() in SQLAlchemy?
5 Answers
5
...
Displaying the #include hierarchy for a C++ file in Visual Studio
...+ project that I'm trying to migrate to Visual Studio 2010. It's a huge mim>x m> of stuff from various sources and of various ages. I'm getting problems because something is including both winsock.h and winsock2.h .
...
Is null reference possible?
...: in particular, a null reference
cannot em>x m>ist in a well-defined
program, because the only way to
create such a reference would be to
bind it to the “object” obtained by
dereferencing a null pointer, which
causes undefined behavior. As
described in 9.6, a reference cannot
be boun...
Postgresql - unable to drop database because of some auto connections to DB
...roles; see \l+ in psql)
You can then terminate all connections to this db em>x m>cept your own:
SELECT pid, pg_terminate_backend(pid)
FROM pg_stat_activity
WHERE datname = current_database() AND pid <> pg_backend_pid();
On older versions pid was called procpid so you'll have to deal with that.
S...
Comparing Haskell's Snap and Yesod web frameworks
The two Haskell web frameworks in the news recently are Yesod (at 0.8) and Snap (at 0.4).
4 Answers
...