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Rails Migration: Remove constraint
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Did you actually try this? If you glance at the source code for the function, you see nothing but: raise NotImplementedError, "change_column_null is not implemented"
– drusepth
Oct 23 '14 at 14:32
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Scrollable Menu with Bootstrap - Menu expanding its container when it should not
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I think you can simplify this by just adding the necessary CSS properties to your special scrollable menu class..
CSS:
.scrollable-menu {
height: auto;
max-height: 200px;
overflow-x: hidden;
}
HTML
<ul class="dropdown-m...
Java Mouse Event Right Click
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Yes, take a look at this thread which talks about the differences between platforms.
How to detect right-click event for Mac OS
BUTTON3 is the same across all platforms, being equal to the right mouse button. BUTTON2 is simply ignored if the middle button does not exist.
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What's an easy way to read random line from a file in Unix command line?
... Andalso, sort -R is definitely going to make one wait a lot if dealing with considerably huge files -- 80kk lines --, whereas, shuf -n acts quite instantaneously.
– Rubens
Jun 18 '13 at 6:56
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How do I run NUnit in debug mode from Visual Studio?
...nd a new project within my workspace to test the component. All works well if I load up my unit tests from Nunit (v2.4), but I've got to the point where it would be really useful to run in debug mode and set some break points.
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When to use DataContract and DataMember attributes?
...1, you don't have to add data contract or data member attributes anymore - if you don't then the data contract serializer will serialize all public properties on your class, just like the XML serializer would.
HOWEVER: by not adding those attributes, you lose a lot of useful capabilities:
without...
Inserting HTML into a div
I am trying to insert a chunk of HTML into a div. I want to see if plain JavaScript way is faster than using jQuery. Unfortunately, I forgot how to do it the 'old' way. :P
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How do I “Add Existing Item” an entire directory structure in Visual Studio?
...r into the Solution Explorer. It will add them all. Note this doesn't work if Visual Studio is in Administrator Mode, because Windows Explorer is a User Mode process.
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duplicate MIME type “text/html”?
...ime-type text/html is always included by default, so you don't need to specify it explicitly.
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How to get last items of a list in Python?
...le a, not the last zero elements []. For guarding zero, you can use a[-n:] if n > 0 else [].
– nekketsuuu
Jul 19 '18 at 3:35
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