大约有 38,000 项符合查询结果（耗时：0.0429秒） [XML]
How can I easily convert DataReader to List? [duplicate]
...
|
show 2 more comments
205
...
Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
...
|
show 1 more comment
15
...
Using do block vs braces {}
...
This is a bit old question but I would like to try explain a bit more about {} and do .. end
like it is said before
bracket syntax has higher precedence order than do..end
but how this one makes difference:
method1 method2 do
puts "hi"
end
in this case, method1 will be called...
Wait until a process ends
... you don't want to block? If that doesn't do what you want, please give us more information about your requirements.
share
|
improve this answer
|
follow
|
...
How do I list all files of a directory?
...reates a new list in a new memory location. This means extend is generally more efficient than +, but it can sometimes lead to confusion if multiple objects hold references to the list. Lastly, it's worth noting that f += filenames is equivalent to f.extend(filenames), not f = f + filenames.
...
Polymorphism: Why use “List list = new ArrayList” instead of “ArrayList list = new ArrayList”? [dupl
... that out. In fact, now that I think about it, it probably would have made more sense for me to give an example from the standpoint of a client, rather than the programmer himself. In both cases, using List list = new ArrayList() is a matter of ensuring that you don't break existing code.
...
What is the benefit of using “SET XACT_ABORT ON” in a stored procedure?
... Except for client timeouts... and my view is the SET XACT_ABORT is more effective in SQL 2005 because behaviour is more predictable: far fewer batch aborting errors.
– gbn
Jul 19 '09 at 17:22
...
How do I analyze a program's core dump file with GDB when it has command-line parameters?
...l of it must also be visible through GDB, but those binutils tools offer a more bulk approach which is convenient for certain use cases, while GDB is more convenient for a more interactive exploration.
First:
file core
tells us that the core file is actually an ELF file:
core: ELF 64-bit LSB co...