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ruby on rails f.select options with custom attributes

I have a form select statement, like this: 5 Answers 5 ...
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Android custom dropdown/popup menu

....add("Two"); menu.getMenu().add("Three"); menu.show(); Follow this link for creating menu programmatically. share | improve this answer | follow | ...
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Generate pdf from HTML in div using Javascript

...r to enable it to print HTML, you have to include certain plugins and therefore have to do the following: Go to https://github.com/MrRio/jsPDF and download the latest Version. Include the following Scripts in your project: jspdf.js jspdf.plugin.from_html.js jspdf.plugin.split_text_to_size.js jsp...
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Union Vs Concat in Linq

...e comments. If you execute my sample code then you can see the same result for 'a5' & 'a6'. I am not looking for solution. But why 'Concat' & 'Union' behaving same at that sistuation. Please reply. – Prasad Kanaparthi Nov 16 '12 at 17:29 ...
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Relational table naming convention [closed]

...ect and would like to get my table- and column names right from the start. For example I've always used plural in table names but recently learned singular is correct. ...
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Best way to use multiple SSH private keys on one client

...me realname.example.com IdentityFile ~/.ssh/realname_rsa # private key for realname User remoteusername Host myother realname2.example.org HostName realname2.example.org IdentityFile ~/.ssh/realname2_rsa # different private key for realname2 User remoteusername And so on. ...
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How can I add the new “Floating Action Button” between two widgets/layouts

... answer could work in some simple cases, and perhaps could be a workaround for some third-party libraries that don't fully support CoordinatorLayout and layout_anchor and layout_anchorGravity features, like the one he's using, futuresimples. – acrespo Aug 13 '1...
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SQL Joins Vs SQL Subqueries (Performance)?

...only REAL way to tell with 100% certainty which is faster is to turn on performance tracking (IO Statistics is especially useful) and run them both. Make sure to clear your cache between runs! share | ...
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Show dialog from fragment?

... Unfortunately this approach is a bit more verbose than the classic managed dialogs approach of previous Android revisions, but it is now the preferred method. You can avoid referencing the Activity entirely by using the putFrag...
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How to set selected value of jquery select2?

...I don't think it's possible without going to JavaScript solutions. Looking for another jQuery/Bootstrap Select2 dropdown now (2 days of fiddling every conceivable method - no joy!) – MC9000 Nov 5 '16 at 5:17 ...