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How can I keep Bootstrap popovers alive while being hovered?

I am using a Bootstrap popover to create a hover card showing user info, and I am triggering it on mouseover of a button. I want to keep this popover alive while the popover itself is being hovered, but it disappears as soon as the user stops hovering over the button. How can I do this? ...
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What is Bit Masking?

I am fairly new to C programming, and I encountered bit masking. Can someone explain to me the general concept and function of bit masking? Examples are much appreciated. ...
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Android: Temporarily disable orientation changes in an Activity

... should not be interrupted. I'm doing the heavy lifting in another thread, and using a progress dialog which I set as non-cancellable. However, I noticed that if I rotate my phone it restarts the activity which is REALLY bad for the process that was running, and I get a Force Close. ...
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@UniqueConstraint annotation in Java

... I'm currently using play framework too with hibernate and JPA 2.0 annotation and this model works without problems @Entity @Table(uniqueConstraints={@UniqueConstraint(columnNames = {"id_1" , "id_2"})}) public class class_name { @Id @GeneratedValue public Long id; @Not...
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Check if a Windows service exists and delete in PowerShell

... More recent versions of PS have Remove-WmiObject, and beware of silent fails for $service.delete() - have added another answer with formatted examples. – Straff May 3 '16 at 23:07 ...
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How do I calculate square root in Python?

...ve to write: sqrt = x**(1/2.0), otherwise an integer division is performed and the expression 1/2 returns 0. This behavior is "normal" in Python 2.x, whereas in Python 3.x 1/2 evaluates to 0.5. If you want your Python 2.x code to behave like 3.x w.r.t. division write from __future__ import division...
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What are dictionary view objects?

...sentially what their name says: views are simply like a window on the keys and values (or items) of a dictionary. Here is an excerpt from the official documentation for Python 3: >>> dishes = {'eggs': 2, 'sausage': 1, 'bacon': 1, 'spam': 500} >>> keys = dishes.keys() >>&gt...
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Programmatically get the cache line size?

... @android : I use fedora-18 x64 machine with core-i5 processor. cat /sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size returns 64 in my system. Same for index1,2,3 folders also. – Abid Rahman ...
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Delete all documents from index/type without deleting type

...aving custom mappings; do note that the second option will delete the type and its mappings. So don't forget to remap the index type after deleting. Or else you will be messed up. – Finny Abraham Sep 15 '15 at 6:14 ...
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Return a value if no rows are found in Microsoft tSQL

...1) > 0 THEN 1 ELSE 0 END AS [Value] FROM Sites S WHERE S.Id = @SiteId and S.Status = 1 AND (S.WebUserId = @WebUserId OR S.AllowUploads = 1) share | improve this answer | ...