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Update relationships when saving changes of EF4 POCO objects

...ategories" is an IEnumerable containing the IDs of the categories the user selected in the view. db.Entry(dataobj).State = EntityState.Modified; db.SaveChanges(); dataobj = db.ServiceTypes.Include(x => x.Categories).Single(x => x.Id == dataobj.Id); var it = _categories != null...
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Rails: FATAL - Peer authentication failed for user (PG::Error)

...o check the version of postgres if multiple versions are available psql=# select VERSION(); PostgreSQL 9.1.13 on x86_64-unk.... # so version is 9.1 Now Open postgres user vim /etc/postgresql/9.1/main/pg_hba.conf 9.1 is version return form upper command and replace local all ...
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Is it safe to use Project Lombok? [closed]

...ield name) and finally, use the Breakpoints view to right-click the BP and select Breakpoint Properties... to add a condition. Nice. UPDATE 4 (Aug 16 '13) Netbeans doesn't like it when you update your Lombok dependencies in your Maven pom. The project still compiles, but files get flagged for hav...
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How to write an XPath query to match two attributes?

... //div[@id='..' and @class='...] should do the trick. That's selecting the div operators that have both attributes of the required value. It's worth using one of the online XPath testbeds to try stuff out. sha...
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WebSockets protocol vs HTTP

...a preconceived notion about WebSockets vs HTTP particularly since he never selected an answer nor awarded the bounty. – kanaka Feb 15 '13 at 13:06 9 ...
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How can I mask a UIImageView?

..."UIImageViewWithMask" (custom class name above). On Attributes Inspector: Select mask image you want to use. Example Notes Your mask image should have a transparent background (PNG) for the non-black part. share ...
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What is a magic number, and why is it bad? [closed]

...Now, what you do is you have the 50 in different places - your SQL script (SELECT TOP 50 * FROM orders), your Website (Your Last 50 Orders), your order login (for (i = 0; i < 50; i++)) and possibly many other places. Now, what happens when someone decides to change 50 to 25? or 75? or 153? You n...
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Clustered vs Non-Clustered

... Some db with some nasty selects, joins in a stored procedure - only diffrence is the index INDEXES - clustered vs nonclustered 891 rows 10 sec NONCLUSTERED OR 891 rows 14 sec CLUSTERED ...
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What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?

...t more portable, but also increases the risk that the wrong interpreter is selected because it searches for a match in every directory on the executable search path. It also suffers from the same problem in that the path to the env binary may also be different on a per-machine basis."-Wikipedia ...
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Git workflow and rebase vs merge questions

...lligent use of interactive rebase and tools like tortoisegit (which allows selection of which commits to include) will help a lot. – prusswan Jun 27 '12 at 11:02 8 ...