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Android preferences onclick event

... Where shall i place this? in my SettingsActivity in onPostCreate wont work because it is too early(Nullpointer-Exception). Any help is appreciated – Wandang Feb 21 '13 at 18:28 ...
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Posting a File and Associated Data to a RESTful WebService preferably as JSON

...as JSON. Part of this application requires the client to upload a file (usually an image) as well as information about the image. ...
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Easiest way to copy a single file from host to Vagrant guest?

...py files but didn't work and giving error vagrant scp /vagrant/www/koushik.php ubuntu/trusty64:/usr/share/nginx/html I am trying to copy files into the nginx root directory. It says, The machine with the name 'C' was not found configured for this Vagrant environment. The directory and everything is ...
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Factory Pattern. When to use factory methods?

...people they hire, but that's it. So, when they need a new employee, they call the hiring agency and tell them what they need. Now, to actually hire someone, you need to know a lot of stuff - benefits, eligibility verification, etc. But the person hiring doesn't need to know any of this - the hir...
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What is the AppDelegate for and how do I know when to use it?

... I normally avoid the design approach implied by Andrew's use of the term "heart of your application". What I mean by this is that I think you should avoid lumping too many things in a central location -- good program design normall...
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How to remove/ignore :hover css style on touch devices

I want to ignore all :hover CSS declarations if a user visits our website via touch device. Because the :hover CSS does not make sense, and it can even be disturbing if a tablet triggers it on click/tap because then it might stick until the element loses focus. To be honest, I don't know why tou...
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setMaxResults for Spring-Data-JPA annotation?

...Not sure if limit is supported in Hibernate: forum.hibernate.org/viewtopic.php?f=9&t=939314 – Witold Kaczurba Apr 28 '17 at 12:38 2 ...
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How can I extract audio from video with ffmpeg?

... FWIW, I have crafted a PHP script, so that I just specify the input video file, and it automatically determines the extension of the output audio file: superuser.com/questions/1301901/… – Gras Double Jul 22 ...
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CSS Selector “(A or B) and C”?

... syntax? No. CSS' or operator (,) does not permit groupings. It's essentially the lowest-precedence logical operator in selectors, so you must use .a.c,.b.c. share | improve this answer |...
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Select something that has more/less than x character

...e LENGTH function to the EmployeeName column). In Oracle, and probably in all other RDBMSs, this means that a regular index on EmployeeName will be useless to answer this query; the database will do a full table scan, which can be really costly. However, various databases offer a function indexes ...