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wpf: how to show tooltip when button disabled by command?

I'm trying to show a tooltip regardless of a buttons state, but this does not seem to do the trick: 3 Answers ...
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Object of custom type as dictionary key

What must I do to use my objects of a custom type as keys in a Python dictionary (where I don't want the "object id" to act as the key) , e.g. ...
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Why is there an unexplainable gap between these inline-block div elements? [duplicate]

I have two inline-block div elements, that are the same, positioned next to eachother. However there seems to be a mysterious space of 4 pixels between the two divs despite the margin being set to 0. There are no parent divs effecting them - What is going on? ...
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`levels

In an answer to another question, @Marek posted the following solution: https://stackoverflow.com/a/10432263/636656 4 Answ...
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What is the correct value for the disabled attribute?

What is the correct value for the disabled attribute for a textbox or textarea? 4 Answers ...
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Rails: convert UTC DateTime to another time zone

In Ruby/Rails, how do I convert a UTC DateTime to another time zone? 6 Answers 6 ...
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git push to specific branch

Even after reading this question: git-push-current-branch , I am still having difficulty figuring out how I should write my git push command. As mentioned in the question link, it's not clear from the documentation. ...
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Linux, Why can't I write even though I have group permissions?

I want to create a file in a directory owned by the staff group which I am a member of. Why can I not do this? 6 Answers ...
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Best practice for nested fragments in Android 4.0, 4.1 (

I'm writing an app for 4.0 and 4.1 tablets, for which I do not want to use the support libraries (if not needed) but the 4.x api only therefore. ...
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Preferred Github workflow for updating a pull request after code review

I've submitted a change to an Open Source project on Github, and received code review comments from one of the core team members. ...