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Store select query's output in one array in postgres
...Sorry 'bout that. Mindless copying and pasting got array_agg() included in all three calls. I've also type-casted the initial one to make your PG version happy.
– Denis de Bernardy
Jun 19 '11 at 13:41
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How to write a scalable Tcp/Ip based server
...he best bet, using the Asynchronous sockets. This meant that clients not really doing anything actually required relatively little resources. Anything that does occur is handled by the .net thread pool.
I wrote it as a class that manages all connections for the servers.
I simply used a list to ho...
Catch an exception thrown by an async void method
...ET,
is it possible to catch an exception thrown by an async method in the calling method?
6 Answers
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A migration to add unique constraint to a combination of columns
...
Nope, it's all good. My bad! The unique constraint comes with the unique index.
– Paul Cantrell
Aug 24 '11 at 16:34
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What does the keyword Set actually do in VBA?
...ould be correct (and it would be in C), but Set A = B | A = &B; is actually correct in VBA (and it would fail in C). In VBA, A = B and Set A = B are BOTH equivalent to C's A = B;! The distinction happens somewhere else.
– Niko O
May 25 at 8:18
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Can you put two conditions in an xslt test attribute?
...ments—to
add to the result tree. Their test
expressions can also use all the
tricks and operators that the xsl:if
element's test attribute can use, such
as and, or, and function calls, to
build more complex boolean
expressions.
...
CSS Selector for
Is there any way with CSS to target all inputs based on their type? I have a disabled class I use on various disabled form elements, and I'm setting the background color for text boxes, but I don't want my checkboxes to get that color.
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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...aliyun.com/repo/Centos-6.repo
把$releasever 全部改为6
yum clean all&yum makecache
3、安装DRBD 请参考
http://user.qzone.qq.com/58740020/blog/1448855653
3.1、不一样的地方
同步以上操作或文件,并初始化资源及启动服务
drbdadm create-md r0
service d...
How to dynamically load a Python class
...hing like this won't work:
__import__('foo.bar.baz.qux')
You'd have to call the above function like so:
my_import('foo.bar.baz.qux')
Or in the case of your example:
klass = my_import('my_package.my_module.my_class')
some_object = klass()
EDIT: I was a bit off on this. What you're basicall...
What are the differences between poll and select?
I am referring to the POSIX standard select and poll system C API calls.
3 Answers
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