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Handling warning for possible multiple enumeration of IEnumerable

... The problem with taking IEnumerable as a parameter is that it tells callers "I wish to enumerate this". It doesn't tell them how many times you wish to enumerate. I can change the objects parameter to be List and then avoid the possible multiple enumeration but then I don't get the highes...
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UI Terminology: Logon vs Login [closed]

...nce you're looking for correctness, login, logout, logon, and logoff are all nouns: "Please enter your login credentials." "I see three logons but only two logoffs from this user." The corresponding verbs are each two words: "Please log in to see your reputation." "You must log off and talk to...
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Difference between HashMap, LinkedHashMap and TreeMap

...shMap and TreeMap in Java? I don't see any difference in the output as all the three has keySet and values . What are Hashtable s? ...
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When - and why - should you store data in the Windows Registry?

...s to those options, can't easily port them from machine to machine, and it all makes me really yearn for the good old days of .INI files... ...
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Java Name Hiding: The Hard Way

... of working with the reflection API. The downside is that this code is really horrible! For me, it generates a warning, and that's a good thing in general. But since it's working around a problem that is otherwise thoroughly impractical, adding a @SuppressWarnings("static-access") at an approp...
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Best way to run scheduled tasks [closed]

... All of my tasks (which need to be scheduled) for a website are kept within the website and called from a special page. I then wrote a simple Windows service which calls this page every so often. Once the page runs it return...
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How to use GROUP BY to concatenate strings in SQL Server?

...orks on here aside from me who like learning stuff like this. Kudos to you all :) – Kevin Fairchild Nov 7 '08 at 22:02 6 ...
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How do I execute a stored procedure once for each row returned by query?

...1, @field2 fetch next from cur into @field1, @field2 END close cur deallocate cur in MS SQL, here's an example article note that cursors are slower than set-based operations, but faster than manual while-loops; more details in this SO question ADDENDUM 2: if you will be processing more tha...
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Asynchronous vs synchronous execution, what does it really mean? [closed]

...pt of doing two things at one time. The operating system simulates this by allocating slices of time to different threads. Now, if you introduce multiple cores/processors into the mix, then things CAN actually happen at the same time. The operating system can allocate time to one thread on the firs...
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Oracle find a constraint

I have a constraint called users.SYS_C00381400 . How do I find what that constraint is? Is there a way to query all constraints? ...