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How can I create a unique constraint on my column (SQL Server 2008 R2)?
...h the GUI:
Make sure your column does not violate the unique constraint before you begin.
Open SQL Server Management Studio.
Right click your Table, click "Design".
Right click the column you want to edit, a popup menu appears, click Indexes/Keys.
Click the "Add" Button.
Expand the "General" tab....
mysql query order by multiple items
.... And if you explain how the pictures are defined (what the pic_set stands for), I could tell you how to sort this attribute too.
– eumiro
Feb 3 '11 at 8:02
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What's the difference between event.stopPropagation and event.preventDefault?
...lBubble
event.preventDefault()
event.returnValue
event.stopPropagation()
For IE9 and FF you can just use preventDefault & stopPropagation.
To support IE8 and lower replace stopPropagation with cancelBubble and replace preventDefault with returnValue
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How to make Eclipse behave well in the Windows 7 taskbar?
...ore info)
Or alternatively add the java bin folder to your Windows PATH before the "windows32" folder, because otherwise eclipse uses "javaw.exe" in the win32 folder instead of the JDK one.
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Image resizing client-side with JavaScript before upload to the server
I am looking for a way to resize an image client-side with JavaScript (really resize, not just change width and height).
I know it's possible to do it in Flash but I would like to avoid it if possible.
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How to use “not” in xpath?
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None of these answers worked for me for python. I solved by this
a[not(@id='XX')]
Also you can use or condition in your xpath by | operator. Such as
a[not(@id='XX')]|a[not(@class='YY')]
Sometimes we want element which has no class. So you can do li...
How to set a Fragment tag by code?
...is through an examination of the compatibility sources as I briefly looked for similar at some point in the past.
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Mismatched anonymous define() module
I'm getting this error when I browse my webapp for the first time (usually in a browser with disabled cache).
7 Answers
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space between divs - display table-cell
... colour as the background. border-right: 10px solid #FFF. This worked well for me when designing a CSS dropdown menu when I wanted some space between table-cell elements.
– armadadrive
Jan 17 '16 at 18:48
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Check if option is selected with jQuery, if not select a default
...ot sure about exactly what you want to accomplish, this bit of code worked for me.
<select id="mySelect" multiple="multiple">
<option value="1">First</option>
<option value="2">Second</option>
<option value="3">Third</option>
<option value="4">...