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How do I make the method return type generic?
...his is really just an updated version of casting from the pre-generic days and doesn't add any additional safety.
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How does one use rescue in Ruby without the begin and end block
I know of the standard technique of having a begin rescue end
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Extract substring using regexp in plain bash
I'm trying to extract the time from a string using bash, and I'm having a hard time figuring it out.
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How to pass parameters to ThreadStart method in Thread?
... (over ParameterizedThreadStart) is that you can pass multiple parameters, and you get compile-time checking without needing to cast from object all the time.
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Dictionaries and default values
...nguage is that the interpreter would be able to 'see' inside the functions and optimize it - that the user wouldn't have to deal with micro-optimizations as much. Isn't that what things like JIT compilation are for?
– nishantjr
Oct 27 '14 at 7:32
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Add centered text to the middle of a -like line
...he compatibility is not that bad (you can add all of old flexbox syntaxes) and it degrades gracefully.
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How does one reorder columns in a data frame?
...mns like so df[,c(1,2,3,4)].
Note the first comma means keep all the rows, and the 1,2,3,4 refers to the columns.
To change the order as in the above question do df2[,c(1,3,2,4)]
If you want to output this file as a csv, do write.csv(df2, file="somedf.csv")
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LINQ - Left Join, Group By, and Count
...;t.ChildID != null didn't work for me. The result was always a null object and Resharper complained that the expression was always true. So I used (t => t != null) and that worked for me.
– Joe
Dec 2 '10 at 1:35
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Difference between applicationContext.xml and spring-servlet.xml in Spring Framework
...ise conflict in the same context. As an example you may have ReST services and standard views, you may then have different view resolvers or security concerns for the services as to the views.
– Brett Ryan
Apr 3 '13 at 17:19
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What is a Proxy in Doctrine 2?
... just finished reading all the Doctrine 2 documentation, I started my own sandbox, I understood most of the principes, but there is still a question and I couldn't find any complete explanation in the doc.
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