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How to find third or nth maximum salary from salary table?

...( SELECT EmpID, EmpName, EmpSalary, RN = ROW_NUMBER() OVER (ORDER BY EmpSalary DESC) FROM dbo.Salary ) SELECT EmpID, EmpName, EmpSalary FROM CTE WHERE RN = @NthRow share | improv...
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Disable all table constraints in Oracle

...NABLED' AND NOT (t.iot_type IS NOT NULL AND c.constraint_type = 'P') ORDER BY c.constraint_type DESC) LOOP dbms_utility.exec_ddl_statement('alter table "' || c.owner || '"."' || c.table_name || '" disable constraint ' || c.constraint_name); END LOOP; END; / Enabling the constraints a...
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What is the difference between application server and web server?

...gh most Web Servers have plugins to support scripting languages like Perl, PHP, ASP, JSP etc. through which these servers can generate dynamic HTTP content. Most of the application servers have Web Server as integral part of them, that means App Server can do whatever Web Server is capable of. Addi...
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Python class inherits object

...lets you customize how new class instances are created. Method resolution order (MRO): in what order the base classes of a class will be searched when trying to resolve which method to call. Related to MRO, super calls. Also see, super() considered super. If you don't inherit from object, forget...
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Shorten string without cutting words in JavaScript

...led this question a million ways and could only find a working version for php nothing close to this and involving loops. – Josh Bedo Mar 28 '11 at 3:20 1 ...
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How to install Google Play Services in a Genymotion VM (with no drag and drop support)?

... In order to update Google Play, you can open Google Play, go to Settings and click on the Build Version. – dr.scre Aug 28 '14 at 13:30 ...
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Is there a way to make GHC provide the type class constraints of typed holes?

... should be. These potential instances exist: instance Show Ordering -- Defined in ‘GHC.Show’ instance Show Integer -- Defined in ‘GHC.Show’ instance Show a => Show (Maybe a) -- Defined in ‘GHC.Show’ ...plus 22 others ...plus 11 instances i...
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How do you get the list of targets in a makefile?

...ent a target named list that simply lists all target names in alphabetical order - i.e.: invoke as make list: .PHONY: list list: @$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | sort | e...
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How to amend several commits in Git to change author

...author-info, which also adds --tag-name-filter cat to the filter-branch in order to migrate tags to the new history. It also uses --branches --tags instead of --all, which only rewrites branch and tag history and leaves other refs alone (though that probably doesn't make much of a difference unless ...
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JavaScript hashmap equivalent

... three major ways to keep a collection of objects addressable by a key: Unordered. In this case to retrieve an object by its key we have to go over all keys stopping when we find it. On average it will take n/2 comparisons. Ordered. Example #1: a sorted array — doing a binary search we will find...