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How to design a database for User Defined Fields?

...rformance is the primary concern, I would go with #6... a table per UDF (really, this is a variant of #2). This answer is specifically tailored to this situation and the description of the data distribution and access patterns described. Pros: Because you indicate that some UDFs have values for a...
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It is more efficient to use if-return-return or if-else-return?

...the if condition is false anyway. Note that Python supports a syntax that allows you to use only one return statement in your case: return A+1 if A > B else A-1 share | improve this answer ...
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How to preventDefault on anchor tags?

...fault(); }); } } }; }); It checks all anchor tags (<a></a>) to see if their href attribute is either an empty string ("") or a hash ('#') or there is an ng-click assignment. If it finds any of these conditions, it catches the event and prevents t...
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How to ignore files/directories in TFS for avoiding them to go to central source repository?

...orer to name it .nuget. for it to successfully save as .nuget (it automatically removes the last period) but directly trying to name it .nuget may not work (you may get an error or it may change the name, depending on your version of Windows). Or name the directory nuget, and open the parent directo...
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What is a database transaction?

... you want to treat as "a whole." It has to either happen in full or not at all. A classical example is transferring money from one bank account to another. To do that you have first to withdraw the amount from the source account, and then deposit it to the destination account. The operation has to ...
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Android OnClickListener - identify a button

... Well, actually that's not correct. View is not a Button, but Button is a View. Though, you can cast a View to a Button. Keep in mind that the second way to do it is not recommended... maybe that v may not be a Button, which will genera...
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How can I make Flexbox children 100% height of their parent?

...aw this at the last moment before reverting to absolute - which comes with all sorts of problems. – Peter May 2 at 10:18 add a comment  |  ...
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Linux vi arrow keys broken in insert mode

... @pts - only on broken systems. Starting vim as vi on all of my boxes works just fine; however, there are some CentOS boxes I have used that demonstrate the behavior you are talking about. – Chas. Owens May 1 '09 at 22:22 ...
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Git mergetool with Meld on Windows

... Why do you not use git bash for Windows? After install meld simply: git config --global merge.tool meld git config --global mergetool.meld.path "C:\Program Files (x86)\Meld\Meld.exe" <- path to meld here Thats all! ...
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Remove duplicates in the list using linq

... +1 This solution even allows for a tie-breaker: eliminate duplicates with criteria! – Adriano Carneiro Sep 5 '13 at 1:05 4 ...