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jQuery see if any or no checkboxes are selected

I know how to see if an individual checkbox is selected or not. 8 Answers 8 ...
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- how to allow only one item selected?

I have a <SELECT multiple> field with multiple options and I want to allow it to have only one option selected at the same time but user can hold CTRL key and select more items at once. ...
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Selecting a row in DataGridView programmatically

How can I select a particular range of rows in a DataGridView programmatically at runtime? 8 Answers ...
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How to use GROUP_CONCAT in a CONCAT in MySQL

... select id, group_concat(`Name` separator ',') as `ColumnName` from ( select id, concat(`Name`, ':', group_concat(`Value` separator ',')) as `Name` from mytbl group by id, `Name` ) tbl group by id; ...
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jQuery - setting the selected value of a select control via its text description

I have a select control, and in a javascript variable I have a text string. 21 Answers ...
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Check if a row exists, otherwise insert

... I assume a single row for each flight? If so: IF EXISTS (SELECT * FROM Bookings WHERE FLightID = @Id) BEGIN --UPDATE HERE END ELSE BEGIN -- INSERT HERE END I assume what I said, as your way of doing things can overbook a flight, as it will insert a new row when there are 1...
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Eclipse: All my projects disappeared from Project Explorer

...Do File->Import General->Existing Projects into Workspace Click the "Select root directory" field and browse to each subfolder in your workspace folder, and import. For me, this was very tedious, since I had several dozen projects in my workspace, but it's the only solution I found short of ...
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MySQL Insert Where query

...INSERT INTO Users(weight, desiredWeight) VALUES (160,145) INSERT using a SELECT statement INSERT INTO Users(weight, desiredWeight) SELECT weight, desiredWeight FROM AnotherTable WHERE id = 1 share | ...
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Case insensitive searching in Oracle

...NLS_COMP and NLS_SORT session parameters: SQL> SET HEADING OFF SQL> SELECT * 2 FROM NLS_SESSION_PARAMETERS 3 WHERE PARAMETER IN ('NLS_COMP', 'NLS_SORT'); NLS_SORT BINARY NLS_COMP BINARY SQL> SQL> SELECT CASE WHEN 'abc'='ABC' THEN 1 ELSE 0 END AS GOT_MATCH 2 FROM DUAL; ...
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How to select/get drop down option in Selenium 2

...converting my selenium 1 code to selenium 2 and can't find any easy way to select a label in a drop down menu or get the selected value of a drop down. Do you know how to do that in Selenium 2? ...