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How to get value of selected radio button?

I want to get the selected value from a group of radio buttons. 28 Answers 28 ...
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what is the difference between GROUP BY and ORDER BY in sql

... SUM, COUNT, AVG, etc). TABLE: ID NAME 1 Peter 2 John 3 Greg 4 Peter SELECT * FROM TABLE ORDER BY NAME = 3 Greg 2 John 1 Peter 4 Peter SELECT Count(ID), NAME FROM TABLE GROUP BY NAME = 1 Greg 1 John 2 Peter SELECT NAME FROM TABLE GROUP BY NAME HAVING Count(ID) > 1 = Peter ...
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How do I get IntelliJ IDEA to display directories?

...correctly. Make sure the "Content Root" is correct. Click on the project Select "File"->"Project Structure" Select "modules" from the left column, and select a module. On the sources tab you will see the current "Content Root" along with a button to add a new content root. Make sure that con...
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SQL select join: is it possible to prefix all columns as 'prefix.*'?

... if this is possible in SQL. Say you have two tables A and B, and you do a select on table A and join on table B: 22 Answer...
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres

... Tested & Working Version User.select(:first,:email).group(:first,:email).having("count(*) > 1") Also, this is a little unrelated but handy. If you want to see how times each combination was found, put .size at the end: User.select(:first,:email).gro...
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How to list active / open connections in Oracle?

... Error starting at line 1 in command: select * from FROM v$session Error at Command Line:1 Column:14 Error report: SQL Error: ORA-00903: invalid table name 00903. 00000 - "invalid table name" *Cause: *Action: – pistacchio ...
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Why would someone use WHERE 1=1 AND in a SQL clause?

...mple code to Greg's answer: dim sqlstmt as new StringBuilder sqlstmt.add("SELECT * FROM Products") sqlstmt.add(" WHERE 1=1") ''// From now on you don't have to worry if you must ''// append AND or WHERE because you know the WHERE is there If ProductCategoryID <> 0 then sqlstmt.AppendForm...
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How do I put an 'if clause' in an SQL string?

... WHERE purchaseOrder_ID = '@purchaseOrder_ID' and not exists (SELECT * FROM itemsOrdered WHERE purchaseOrder_ID = '@purchaseOrdered_ID' AND status = 'PENDING' ) However, I might guess that you are looping at a higher level. To set all such v...
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minimum double value in C/C++

...tion just has to work around it. See the floating-point model in 5.2.4.2.2 Characteristics of floating types <float.h> p2 of C99 (may have been moved elsewhere since then). – user743382 Nov 10 '14 at 22:23 ...
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How to auto-indent code in the Atom editor?

...auto-indent your code in the Atom editor? In other editors you can usually select some code and auto-indent it. 11 Answers...