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SQL Query to concatenate column values from multiple rows in Oracle
... Yes we can do this work!
3 rows selected.
I wrote about this here. And if you follow the link to the OTN-thread you will find some more, including a performance comparison.
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What does 'predicate' mean in the context of computer science? [duplicate]
Specifically I've seen it used in the context of text filtering. As if "predicate" == "filter criteria".
7 Answers
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How to loop through all but the last item of a list?
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for x in y[:-1]
If y is a generator, then the above will not work.
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Groovy executing shell commands
... @srikanth the waitForProcess() output docs also say "Use this method if you don't care about the standard or error output and just want the process to run silently" - I want the output
– Bob Herrmann
Aug 12 '16 at 16:32
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Datatables - Search Box outside datatable
...);" with a capital "D". This is required to be able to call .search on it (if will throw a "function undefined" error otherwise). See: datatables.net/faqs/#api
– Lionel
Mar 30 '15 at 7:28
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Are static methods inherited in Java?
I was reading A Programmer’s Guide to
Java™ SCJP Certification by Khalid Mughal.
14 Answers
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How can I add an item to a SelectList in ASP.net MVC
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What if you actually do insist on the value of 0? If the value is null/an empty string, it can cause problems with model binding.
– Kjensen
Nov 12 '09 at 13:45
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What is the colon operator in Ruby?
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So, comparing a string to a string using equal? fails because they're different objects, even if they are equal content. == compares the content, and the equivalent checks with symbols are much faster.
user system total real
string 0.370000 0.000000 0....
How do I make a column unique and index it in a Ruby on Rails migration?
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add_index :table_name, [:column_name_a, :column_name_b], unique: true
If you get "index name... is too long", you can add name: "whatever" to the add_index method to make the name shorter.
For fine-grained control, there's a "execute" method that executes straight SQL.
That's it!
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Converting an int to std::string
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std::to_string() does not work in MinGW, if anyone cares.
– Archie
Nov 9 '15 at 8:55
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