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Oracle SQL Developer multiple table views
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SQL Developer can start a new tab every time you select a database object to view; but, you will have to close the tab manually.
Set this in:
Tools->Preferences->Database->ObjectViewer->Automatically Freeze Object Viewer Windows
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Hide/Show Column in an HTML Table
...this without attaching a class to every td in the table, is there a way to select an entire column using jquery? Below is an example of the HTML.
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Where does Xcode 4 store Scheme Data?
... @Zaph No problem, just go to Product -> Manage Schemes... -> Select the shared scheme -> Click the Gear icon -> Duplicate -> Uncheck the "Shared" checkbox -> Rename if desired -> Click Edit... -> Make your changes to the scheme. They won't be picked up by people using...
Cannot delete directory with Directory.Delete(path, true)
...e(path, true) while path or one of the folders/files under path is open or selected in Windows Explorer will throw an IOException. Closing Windows Explorer and rerunning my existing code w/o the try/catch suggested above worked fine.
– David Alpert
Feb 24 '10 ...
Flags to enable thorough and verbose g++ warnings
... when you enable a flag that enables multiple warnings, but you want to be selective about it.
– Tamás Szelei
Mar 25 '12 at 22:26
1
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Print only?
...I was able to solve this by using some additional display:none styling for selected items but perhaps a more general solution is achievable by some combination of also forcing heights, overflow:none and absolute positioning for all divs or something.
– Malcolm MacLeod
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Foreign Key to multiple tables
...ulkon I know this is an old question but the query would be something like SELECT t.Subject AS ticketSubject, CASE WHEN u.Name IS NOT NULL THEN u.Name ELSE g.Name END AS ticketOwnerName FROM Ticket t INNER JOIN Party p ON t.Owner=p.PartyId LEFT OUTER JOIN User u ON u.ID=p.PartyId LEFT OUTER JOIN Gro...
LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface
...i eventually found the solution which was for my extension method to call .Select(e => e as T) where T is the child class and e is the base class.
full details are here:
Create IQueryable<T> extension using base class in EF
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Algorithm to generate a crossword
...the previous steps can just be done once.
First step of the algorithm is select an empty wordslot (grid word) at random and fill it with a candidate word from its associated wordlist (randomization enables to produce different solutons in consecutive executions of the algorithm) ( complexity O(1)...
How to prove that a problem is NP complete?
...o NP (that is that given a solution you can verify it in polynomial time)
Select a known NP-complete problem L'
Describe an algorithm f that transforms L' into L
Prove that your algorithm is correct (formally: x ∈ L' if and only if f(x) ∈ L )
Prove that algo f runs in polynomial time
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