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Which version of MVC am I using?

... Select the System.Web.Mvc assembly in the "References" folder in the solution explorer. Bring up the properties window (F4) and check the Version ...
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What is Scala's yield?

...in F# would be [ for a in args -> a.toUpperCase ] or from a in args select a.toUpperCase in Linq. Ruby's yield has a different effect. share | improve this answer | ...
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How do I force detach Screen from another SSH session?

... Reattach without ejecting others: screen -x Get list of displays: ^A *, select the one to disconnect, press d Explained answer Background: When I was looking for the solution with same problem description, I have always landed on this answer. I would like to provide more sensible solution. (...
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Android custom dropdown/popup menu

... android:paddingEnd="10dip"> <ImageView android:id="@+id/shoe_select_icon" android:layout_width="30dp" android:layout_height="30dp" android:layout_gravity="center_vertical" android:scaleType="fitXY" /> <TextView android:id="@+id/shoe_select_text" android:l...
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Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2

...ata.frame(a = 1:3, b=letters[1:3]) require(sqldf) a1NotIna2 <- sqldf('SELECT * FROM a1 EXCEPT SELECT * FROM a2') And the rows which are in both data frames: a1Ina2 <- sqldf('SELECT * FROM a1 INTERSECT SELECT * FROM a2') The new version of dplyr has a function, anti_join, for exactly the...
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“Conversion to Dalvik format failed with error 1” on external JAR

...n my case Android 1.5). click OK. Go to Project » Clean » Clean projects selected below » select your project and click OK. That should work. It is also possible that you have a JAR file located somewhere in your project folders (I had copied the Admob JAR file into my src folder) and THEN added...
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Escaping ampersand character in SQL string

... straight from oracle sql fundamentals book SET DEFINE OFF select 'Coda & Sid' from dual; SET DEFINE ON how would one escape it without setting define. share | improve this ans...
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Sourcetree - undo unpushed commits

...click on the commit you like to reset to (not the one you like to delete!) Select "Reset master to this commit" Select "Soft" reset. A soft reset will keep your local changes. Source: https://answers.atlassian.com/questions/153791/how-should-i-remove-push-commit-from-sourcetree Edit About git r...
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What is the difference between Left, Right, Outer and Inner Joins?

...ow you begin your query impacts the outcome of the join type. For example, SELECT * FROM students RIGHT OUTER JOIN lockers... would result in a different outcome than SELECT * FROM lockers RIGHT OUTER JOIN students.... Great answer, but would love to see it updated with complete SQL queries ...
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Values of disabled inputs will not be submitted

...lements support the disabled attribute: BUTTON, INPUT, OPTGROUP, OPTION, SELECT, and TEXTAREA. This attribute is inherited but local declarations override the inherited value. How disabled elements are rendered depends on the user agent. For example, some user agents "gray out" disab...