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Any difference between First Class Function and High Order Function
...wondering whether/what difference between First Class Function and High Order Function .
6 Answers
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What do Clustered and Non clustered index actually mean?
...h a clustered index the rows are stored physically on the disk in the same order as the index. Therefore, there can be only one clustered index.
With a non clustered index there is a second list that has pointers to the physical rows. You can have many non clustered indices, although each new index...
SQL how to make null values come last when sorting ascending
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select MyDate
from MyTable
order by case when MyDate is null then 1 else 0 end, MyDate
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How important is the order of columns in indexes?
...umn 2 in the Join or Search Predicate then it would not be beneficial. So order matters there also. Maybe that goes without saying, but wanted to mention it.
– CodeCowboyOrg
Mar 23 '15 at 16:15
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When someone writes a new programming language, what do they write it IN?
Please excuse my ignorance. I'm dabbling in PHP and getting my feet wet browsing SO, and feel compelled to ask a question that I've been wondering about for years:
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Tool for adding license headers to source files? [closed]
... the copyright-header RubyGem. It supports files with extensions ending in php, c, h, cpp, hpp, hh, rb, css, js, html. It can also add and remove headers.
Install it by typing "sudo gem install copyright-header"
After that, can do something like:
copyright-header --license GPL3 \
--add-path lib...
how do I strip white space when grabbing text with jQuery?
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This removes leading and trailing white space like the PHP trim function.
– Paul
Mar 29 '12 at 18:21
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UITapGestureRecognizer breaks UITableView didSelectRowAtIndexPath
...en my own function to scroll text fields up when the keyboard shows up. In order to dismiss the keyboard by tapping away from the text field, I've created a UITapGestureRecognizer that takes care of resigning first responder on the text field when tapping away.
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How do I use ROW_NUMBER()?
...f you returned Row_Number() in your main query,
SELECT ROW_NUMBER() OVER (Order by Id) AS RowNumber, Field1, Field2, Field3
FROM User
Then when you want to go 5 rows back then you can take the current row number and use the following query to determine the row with currentrow -5
SELECT us.Id
FRO...
What are the rules for evaluation order in Java?
...me say this very clearly, because people misunderstand this all the time:
Order of evaluation of subexpressions is independent of both associativity and precedence. Associativity and precedence determine in what order the operators are executed but do not determine in what order the subexpressions ...