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SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?
...,
t2.*
from @table1 t1
full outer join @table2 t2 on t1.col1 = t2.col1
order by t1.col1, t2.col1;
/* full outer join
col1 col2 col1 col2
----------- ----------- ----------- -----------
NULL NULL 10 101
1 11 NULL NULL
2 ...
Parsing a JSON string in Ruby
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Also you can sets the option symbolize_names to true, in order to get keys as symbols. Exemple: JSON.parse(string, symbolize_names: true) #=> {key: :value}
– Nando Sousa
Apr 2 '14 at 0:25
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What is PECS (Producer Extends Consumer Super)?
...f a programming language, a typing rule
covariant if it preserves the ordering of types (≤), which orders types from more specific to more generic;
contravariant if it reverses this ordering;
invariant or nonvariant if neither of these applies.
Covariance and contravariance
Read-only data...
Read data from SqlDataReader
...query or the firstt column on the table. I have a table with 3 columns in order: ID, Dir, Email. My command selects dir and email. Will reader.GetStrting(0) retrieve dir or ID? Are the indexes based off the table itself on SQL Server or off the query you executed to select columns from a table?
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undefined reference to boost::system::system_category() when compiling
...ng you use gcc, try adding -lboost_system to your compiler command line in order to link against that library.
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How can I parse a JSON file with PHP? [duplicate]
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BOM = byte order mark.
– swift
Mar 2 '15 at 9:35
3
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How to see top processes sorted by actual memory usage?
... Yes
Or alternatively: hit Shift + f , then choose the display to order by memory usage by hitting key n then press Enter. You will see active process ordered by memory usage
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dynamic_cast and static_cast in C++
...hic classes. In fact, in certian cases the classes must be polymorphic in order for the cast to be legal.
Casts can go in one of two directions: from base to derived (B2D) or from derived to base (D2B). It's simple enough to see how D2B casts would work at runtime. Either ptr was derived from T...
How do you share code between projects/solutions in Visual Studio?
...ere it is not straightforward to deploy a separate DLL into SharePoint. In order to share common functionality between InfoPath forms the linked class file approach is very useful. It is placed one level above the individual form projects and everything is source controlled at the root level.
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Check if one IEnumerable contains all elements of another IEnumerable
...ld work also (but is sensitive to the enumerable's items being in the same order)
return list1Uris.SequenceEqual(list2Uris);
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