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Xcode + remove all breakpoints

...l breakpoints. In Xcode4 press CMD(⌘)+6, in Xcode3 press CMD(⌘)+ALT+B. Select all breakpoints with CMD(⌘)+A and delete them, like deleting text, with backspace. There's no step 3 :) share | i...
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How can I use optional parameters in a T-SQL stored procedure?

...ame varchar(25) = null, @Title varchar(25) = null AS BEGIN SELECT ID, FirstName, LastName, Title FROM tblUsers WHERE (@FirstName IS NULL OR (FirstName = @FirstName)) AND (@LastName IS NULL OR (LastName = @LastName )) AND (@Tit...
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Difference between SelectedItem, SelectedValue and SelectedValuePath

... Their names can be a bit confusing :). Here's a summary: The SelectedItem property returns the entire object that your list is bound to. So say you've bound a list to a collection of Category objects (with each Category object having Name and ID properties). eg. ObservableCollection&l...
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Find method references in Xcode

... Select the method you're interested in, or position the text cursor within it. Open the "Related Files" menu via the icon at the top-left of the Editor. (It's the button immediately to the left of the back button). Go to the ...
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Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails

... have to get rid of those first. Here's a query that can find those IDs: SELECT DISTINCT sourcecode_id FROM sourcecodes_tags tags LEFT JOIN sourcecodes sc ON tags.sourcecode_id=sc.id WHERE sc.id IS NULL; share ...
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How does the SQL injection from the “Bobby Tables” XKCD comic work?

..., the parenthesis makes more sense with an INSERT. Thinking backwards, the SELECT would not run anyway as the Insert of the Little Bobby Tables in the table would have already dropped the table. – ypercubeᵀᴹ Jan 21 '13 at 21:41 ...
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right click context menu for datagridview

...d like to rightclick on a row and have a menu pop up. Then i would like to select things such as copy, validate, etc 7 Answ...
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What's the reason for “Error:Cannot determine Java VM executable in selected JDK”?

...ettings from project context menu (or default hit F4), then from left tab select Project and point correct Project SDK on dropdown. share | improve this answer | follow ...
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How to automatically navigate to the current class in Intellij Idea Project Tool Window?

...expands to show the currently open class (or file), and this class becomes selected in the tree. 6 Answers ...
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How to do an update + join in PostgreSQL?

... coming from mysql it's unintuitive that the same join used for select won't also update just by adding a set phrase :( still - the syntax for this is probably easier for a newcomer to sql to master. – WEBjuju Jul 16 at 19:47 ...