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Select TreeView Node on right click before displaying ContextMenu

I would like to select a WPF TreeView Node on right click, right before the ContextMenu displayed. 11 Answers ...
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“A lambda expression with a statement body cannot be converted to an expression tree”

...SQL to be executed against the database. Try this Arr[] myArray = objects.Select(o => new Obj() { Var1 = o.someVar, Var2 = o.var2 }).ToArray(); share | improve this answer | ...
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Drop multiple tables in one shot in mysql

... of tables to be deleted. Get table using the below For sql server - SELECT CONCAT(name,',') Table_Name FROM SYS.tables; For oralce - SELECT CONCAT(TABLE_NAME,',') FROM SYS.ALL_TABLES; Copy and paste the table names from the result set and paste it after the DROP command. ...
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Renew Provisioning Profile

...gn). I discovered that if I change something on the screen (in my case, I selected a previously unused device), "Submit" darkens (becomes available). Click on "Submit". You're quietly (another UI problem :) taken back to the prior page, and the "Download" and "Edit" buttons are gone, and the status...
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“The run destination iOS Device is not valid for running the scheme”

...d chosen an iPhone 7 Plus for an iPad app, so I just flipped the simulator selector to iPad and warning goes away. – Peter Brockmann Dec 5 '16 at 1:10 ...
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Finding three elements in an array whose sum is closest to a given number

...We've found the answer. The sum was too small. Move j closer to the end to select the next biggest number. The sum was too big. Move k closer to the beginning to select the next smallest number. For each i, the pointers of j and k will gradually get closer to each other. Eventually they will pass ...
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How to use if-else option in JSTL

...prefix="c" uri="http://www.springframework.org/tags/form"%> and <c:select> <option value="RCV" ${records[0].getDirection() == 'RCV' ? 'selected="true"' : ''}> <spring:message code="dropdown.Incoming" text="dropdown.Incoming" /> ...
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How can I get column names from a table in SQL Server?

... much more by querying the Information Schema views. This sample query: SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = N'Customers' Can be made over all these DB objects: CHECK_CONSTRAINTS COLUMN_DOMAIN_USAGE COLUMN_PRIVILEGES COLUMNS CONSTRAINT_COLUMN_USAGE CONSTRAINT_...
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Does order of where clauses matter in SQL?

...rstName) (or both) On the other hand - again for SQL Server - if you use SELECT * to grab all columns from a table, and the table is rather small, then there's a good chance the query optimizer will just do a table (or clustered index) scan instead of using an index (because the lookup into the fu...
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No identities were available - administrator request

...uble click) the new provisioning profile. In your project's build settings select the NEW provisioning profile (it might have the same name as the old one) In your project's build settings update your code signing identities (all of them) to the new one if there is one. (The old one was probably exp...