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Default text which won't be shown in drop-down list

...solution worked perfectly fine for me so I made my research in order to avoid any Js and CSS, but just sticking with HTML. Adding a value of selected to the item we want to appear as a header forces it to show in the first place as a placeholder. Something like: <option selected disabled>Cho...
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notifyDataSetChanged example

I'm trying to use in my Android Application the notifyDataSetChanged() method for an ArrayAdapter but it doesn't work for me. ...
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passing 2 $index values within nested ng-repeat

... @Oddman even though this is possible I don't think its a good idea as you then hard wire your loadFromMenu to run at a context of an object that has a scope with an $index and a parent scope with an $index. suppose you then for example create groups within the menu that generate another...
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How to estimate how much memory a Pandas' DataFrame will need?

...n how many bytes each column occupies: >>> df.memory_usage() Row_ID 20906600 Household_ID 20906600 Vehicle 20906600 Calendar_Year 20906600 Model_Year 20906600 ... To include indexes, pass index=True. So to get overall memory consumption: >>> d...
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How do I uniquely identify computers visiting my web site?

I need to figure out a way uniquely identify each computer which visits the web site I am creating. Does anybody have any advice on how to achieve this? ...
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Get user info via Google API

... The url you provided works perfectly, i.e googleapis.com/oauth2/v1/userinfo . But can you tell where from did you get this url. I tried searching for it but didn't find it anywhere. Does Google document these urls at some place? ...
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How to prepend a string to a column value in MySQL?

...ate TICKET set status_details = CONCAT(status _details,'abc') where ticket_id=75108; ERROR 1583 (42000): Incorrect parameters in the call to native function 'CONCAT' – nirmesh khandelwal Jul 1 '13 at 13:45 ...
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Append an element with fade in effect [jQuery]

... $(html).hide().appendTo("#mycontent").fadeIn(1000); share | improve this answer | follow | ...
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100% Min Height CSS layout

...00%. That way, if the content requires more height than the viewport provides, the height of #content forces #container to become longer as well. Possible columns in #content can then be visualised with a background image on #container; divs are not table cells, and you don't need (or want...
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Convert SQLITE SQL dump file to POSTGRESQL

...base -U username -W < /the/path/to/sqlite-dumpfile.sql If you want the id column to "auto increment" then change its type from "int" to "serial" in the table creation line. PostgreSQL will then attach a sequence to that column so that INSERTs with NULL ids will be automatically assigned the next...