大约有 40,000 项符合查询结果（耗时：0.0831秒） [XML]
Callback functions in C++
In C++, when and how do you use a callback function?
10 Answers
10
...
SQL Server - Return value after INSERT
...ou'll be forced to migrate when that version of SQL is no longer supported etc so triggers won't cause a resultset. Whatever, it is not the best answer because if you have INSTEAD OF triggers the SCOPE_IDENTITY might not work (stackoverflow.com/questions/908257/…)
– gbn
...
Python Sets vs Lists
...move the object creation now. The setup phase of the timeit loops is only called once (docs.python.org/2/library/timeit.html#timeit.Timer.timeit).
– Ellis Percival
Sep 30 '14 at 10:09
...
Storing Data in MySQL as JSON
...s, however you will have design considerations such as searching, indexing etc.
The best way of doing this is to use hybrid data, for example if you need to search based upon datetime MySQL (performance tuned) is going to be a lot faster than PHP and for something like searching distance of venues ...
Catch a thread's exception in the caller thread in Python
I'm very new to Python and multithreaded programming in general. Basically, I have a script that will copy files to another location. I would like this to be placed in another thread so I can output .... to indicate that the script is still running.
...
Does hosts file exist on the iPhone? How to change it? [closed]
...
Not programming related, but I'll answer anyway. It's in /etc/hosts.
You can change it with a simple text editor such as nano.
(Obviously you would need a jailbroken iphone for this)
share
|
...
using lodash .groupBy. how to add your own keys for grouped output?
...t hard to wrap my head around. Can you explain the steps in between, especially the pairing and zipping (and the double zip, since _.object is an alias for _.zipObject).
– Benny Bottema
Jul 31 '15 at 9:17
...
Is there a way to make GHC provide the type class constraints of typed holes?
...ng out-of-scope types
(use -fprint-potential-instances to see them all)
• In the expression: show _
In an equation for ‘it’: it = show _
<interactive>:3:6: error:
• Found hole: _ :: a0
Where: ‘a0’ is an ambiguous type variable
• In the first argum...
Formatting floats without trailing zeros
...'.') -- guarantees fixed-point formatting rather than scientific notation, etc etc. Yeah, not as slick and elegant as %g, but, it works (and I don't know how to force %g to never use scientific notation;-).
share
|...
window.onload vs $(document).ready()
...ay, and fires as soon as the page's DOM is ready (doesn't wait for images, etc.).
$(document).ready (note that it's not document.ready, which is undefined) is a jQuery function, wrapping and providing consistency to the following events:
document.ondomcontentready / document.ondomcontentloaded - ...