大约有 40,800 项符合查询结果(耗时:0.0588秒) [XML]
Insert Update trigger how to determine if insert or update
... handle both Update and Insert cases. How would I determine if the trigger is executed for an update or insert.
23 Answers
...
Cleanest way to write retry logic?
...have a need to retry an operation several times before giving up. My code is like:
29 Answers
...
log4net vs. Nlog
...d, ran through tutorials, made toy apps, etc. on Log4Net, NLog, and Enterprise Library for a few days. Came back 3-4 weeks later and put them together into a cohesive demo. Hopefully some of this is useful to you.
My recommendation for our project is this:
Use a logging facade (e.g. Common.Logg...
How to run multiple Python versions on Windows
...
Running a different copy of Python is as easy as starting the correct executable. You mention that you've started a python instance, from the command line, by simply typing python.
What this does under Windows, is to trawl the %PATH% environment variable, ch...
Sending a mail from a linux shell script
I want to send an email from a Linux Shell script. What is the standard command to do this and do I need to set up any special server names?
...
Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...r stays dangling instead of being automatically set to nil when the object is destroyed.
share
|
improve this answer
|
follow
|
...
Mythical man month 10 lines per developer day - how close on large projects? [closed]
...
I think the number of lines added is highly dependent upon the state of the project, the rate of adding to a new project will be much higher than the rate of a starting project.
The work is different between the two - at a large project you usually spend mos...
Batch file: Find if substring is in string (not in a file)
In a batch file, I have a string abcdefg . I want to check if bcd is in the string.
10 Answers
...
Caveats of select/poll vs. epoll reactors in Twisted
...read and experienced ( Tornado based apps ) leads me to believe that ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price.
...
Using column alias in WHERE clause of MySQL query produces an error
The query I'm running is as follows, however I'm getting this error:
8 Answers
8
...
