大约有 15,630 项符合查询结果（耗时：0.0351秒） [XML]
How to get the last element of a slice?
... I do like the -1 from Python, although it often lead to hard-to-debug errors.
– weberc2
Mar 20 '14 at 15:14
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Raise warning in Python without interrupting program
...ning, you should be using warnings module. By raising it you're generating error, rather than warning.
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Why does ASP.NET webforms need the Runat=“Server” attribute?
...the only option available in my limited knowledge of ASP.NET, and I get an error if I don't use it?
14 Answers
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How do I update a Linq to SQL dbml file?
...d tried 1a and 1c without 1b and was getting 'Specified cast is not valid' errors when performing a simple select on a view. Including 1b fixed it for me
– tomfumb
Nov 29 '11 at 19:40
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Preferred Java way to ping an HTTP URL for availability
...to account that some poor webapps or homegrown servers may return HTTP 405 error for a HEAD (i.e. not available, not implemented, not allowed) while a GET works perfectly fine. Using GET is more reliable in case you intend to verify links/resources not domains/hosts.
Testing the server for ava...
How to debug a bash script? [closed]
...on-zero exit status. This is useful if your script attempts to handle all error cases and where a failure to do so should be trapped.
set -x was mentioned above and is certainly the most useful of all the debugging methods.
set -n might also be useful if you want to check your script for syntax e...
Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
...in aggregates, but also modify the handling of divide by zero and overflow errors. This causes this solution to be a "no go" for me.
– Frédéric
Jun 4 '15 at 14:53
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Visual C++: How to disable specific linker warnings?
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I don't think /ignore exists. The errors are still listed, and /ignore is not documented in MSDN. I'm trying to disable 4075 for "warning LNK4075: ignoring '/EDITANDCONTINUE' due to '/INCREMENTAL:NO' specification."
– Nick Desjardins
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Call apply-like function on each row of dataframe with multiple arguments from each row
...of a and b. The ... allows irrelevant args to be passed without causing an error:
do.call( function(x,z,...) testFunc(x,z), df )
For non-vectorized functions, mapply will work, but you need to match the ordering of the args or explicitly name them:
mapply(testFunc, df$x, df$z)
Sometimes apply...
What are the differences in die() and exit() in PHP?
... Even though they do the same thing, I usually reserve die for error related stops and exit for all other scenarios. It just seems to flow better when reading the code.
– nextgentech
Jan 11 '14 at 4:29
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