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Datatable vs Dataset
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One major difference is that DataSets can hold multiple tables and you can define relationships between those tables.
If you are only returning a single result set though I would think a DataTable would be more optimized. I...
How to Correctly Use Lists in R?
...ate the 'switch' statement in C++, Java, etc. in languages that don't have one; probably a good way to do this in R when i need to). +1
– doug
Jan 12 '10 at 23:30
8
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Is there an MD5 Fixed Point where md5(x) == x?
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True, if you had to try every one. But you would only have to try every possible input to verify that there was no fixed point. If there is a fixed point (and Adam Rosenfield's answer suggests that there might be) then one lucky guess is all that's needed...
Shortcut to comment out a block of code with sublime text
... In Notepad++ and Geany (for example, amongst others), you have one command to comment AND another, different one to un -comment. That's very useful if you want to select a whole block where some lines are commented and some are not, and put everything under comments, or everything withou...
Access restriction on class due to restriction on required library rt.jar?
..."Configure Build Path", "Libraries" (tab), you should see "Add Library" as one of the buttons on the right... This worked a charm for me as well, excellent answer
– Alexei Blue
Jun 14 '12 at 9:57
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C# Lambda expressions: Why should I use them?
...tate to the function without adding parameters to the function or creating one-time-use objects.
Expression trees are a very powerful new feature of C# 3.0 that allow an API to look at the structure of an expression instead of just getting a reference to a method that can be executed. An API just ...
Function vs. Stored Procedure in SQL Server
...ments). Functions are not allowed to change anything, must
have at least one parameter, and they must return a value. Stored
procs do not have to have a parameter, can change database objects,
and do not have to return a value.
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What is the difference between XML and XSD?
... can also use some of the online tools that can do this for you, like this one for example - xsd2xml. Just paste the xsd and it will generate a sample xml document based on it.
– anthares
Jun 13 '16 at 11:15
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How do you get the logical xor of two variables in Python?
... Although this is clever and short, I'm not convinced it's clean. When someone reads this construct in the code, is it immediately obvious to them that this is an xor operation? I felt obliged to add a comment - a sign for me that I'm writing unclear code and try to apologise with a comment.
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Why should I use IHttpActionResult instead of HttpResponseMessage?
...t because your existing code builds a HttpResponseMessage that doesn't fit one of the canned responses. You can however adapt HttpResponseMessage to IHttpActionResult using the canned response of ResponseMessage. It took me a while to figure this out, so I wanted to post it showing that you don't ...