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How to get number of entries in a Lua table?
...answer. The Lua # operator only counts entries with integer keys, and so does table.getn :
8 Answers
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Dealing with multiple Python versions and PIP?
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Doesn't work. Although the latest version of pip installed a pip-2.6 script, it didn't bother to install a pip-2.5 script.
– Chris B.
Feb 22 '11 at 20:06
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Convert data.frame columns from factors to characters
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This answer does not address the problem, which is how do I convert all of the factor columns in my data frame to character. as.character(f), is better in both readability and efficiency to levels(f)[as.numeric(f)]. If you wanted to be ...
HtmlString vs. MvcHtmlString
...ncoded.
See What is an MvcHtmlString and when should I use it?
and
What does <%: %> do in ASP.NET (MVC2)?
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How to handle back button in activity
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Yes, does anyone know how to do it from a fragment
– James Wierzba
Dec 6 '15 at 3:01
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Dashed line border around UIView
... Great piece of code! Just one issue, when I apply it to a UIImageView it does not recognise the full width of it, it goes around 80% of it.
– arielcr
Mar 30 '15 at 17:40
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How to compile tests with SBT without running them
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does this compile tests and the code? or just the tests?
– Jwan622
May 31 '18 at 18:04
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Are nested try/except blocks in python a good programming practice?
...f.dict[item]
except KeyError:
raise AttributeError("The object doesn't have such attribute") from None
PS. has_key() has been deprecated for a long time in Python 2. Use item in self.dict instead.
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Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注IT技能提升
...ustrating to receive a message from your customer saying that your program doesn't work. Most users may not let you know what's incorrect in your application and which piece of code went wrong. Windows has a built-in handler for unhandled errors, however, this default handler might be useless when e...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注IT技能提升
...ustrating to receive a message from your customer saying that your program doesn't work. Most users may not let you know what's incorrect in your application and which piece of code went wrong. Windows has a built-in handler for unhandled errors, however, this default handler might be useless when e...