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Eclipse: Error “.. overlaps the location of another project..” when trying to create new project
...oldish)
Click OK
Once the project rebuilds, everything should be back in order.
(This was written when Eclipse Indigo was in vogue, and there may be changes as Google updates their tools to cover corner cases.)
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Optimise PostgreSQL for fast testing
...n PostgreSQL. This setting pretty much tells PostgreSQL not to bother with ordered writes or any of that other nasty data-integrity-protection and crash-safety stuff, giving it permission to totally trash your data if you lose power or have an OS crash.
Needless to say, you should never enable fsyn...
Preserving order with LINQ
I use LINQ to Objects instructions on an ordered array.
Which operations shouldn't I do to be sure the order of the array is not changed?
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SQL RANK() versus ROW_NUMBER()
...ly see the difference if you have ties within a partition for a particular ordering value.
RANK and DENSE_RANK are deterministic in this case, all rows with the same value for both the ordering and partitioning columns will end up with an equal result, whereas ROW_NUMBER will arbitrarily (non dete...
How can I debug a HTTP POST in Chrome?
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How to order by with union in SQL?
Is it possible to order when the data is come from many select and union it together? Such as
8 Answers
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How can I avoid Java code in JSP files, using JSP 2?
...ets in your web.xml web application descriptor.
I would always do that in order to prevent any developer adding scriptlets, especially in bigger companies where you will lose overview sooner or later. The web.xml settings look like this:
<jsp-config>
<jsp-property-group>
<url-...
Is < faster than
...ere the most significant optimisations lie, perform those optimisations in order of significance and profile again along the way to measure progress...
– autistic
Jun 10 '13 at 2:52
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How do I use the conditional operator (? :) in Ruby?
... Small edit puts (true ? "true" : "false") with parenthesis. Otherwise the order of operations is not clear. When I first read this I was confused as I read it as (puts true) ? "true" : "false" then expected puts to return the boolean which then became the string value.
– Fres...
COALESCE Function in TSQL
...type, they get implicitly cast to an appropriate data-type using data-type order of precedence.)
It's like ISNULL() but for multiple parameters, rather than just two.
It's also ANSI-SQL, where-as ISNULL() isn't.
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