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How do JavaScript closures work?
How would you explain JavaScript closures to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves?
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Set Background cell color in PHPExcel
How to set specific color to active cell when creating XLS document in PHPExcel?
10 Answers
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Hiding the scroll bar on an HTML page
...low-x: hidden;
}
</style>
Note: It'll also disable the scrolling feature. Refer to the below answers if you just want to hide the scroll bar, but not the scroll feature.
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MySQL Like multiple values
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The (a,b,c) list only works with in. For like, you have to use or:
WHERE interests LIKE '%sports%' OR interests LIKE '%pub%'
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Where are the PostgreSQL logs on macOS?
...at the PostgreSQL log files to see what my app writes to them but I can't find them.
8 Answers
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Center a 'div' in the middle of the screen, even when the page is scrolled up or down?
I have in my page a button which when clicked displays a div (popup style) in the middle of my screen.
5 Answers
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Regex to test if string begins with http:// or https://
I'm trying to set a regexp which will check the start of a string, and if it contains either http:// or https:// it should match it.
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Django dynamic model fields
I'm working on a multi-tenanted application in which some users can define their own data fields (via the admin) to collect additional data in forms and report on the data. The latter bit makes JSONField not a great option, so instead I have the following solution:
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Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
I'm working on a Smartphone / Tablet app, using only one APK, and loading resources as is needed depending on screen size, the best design choice seemed to be using Fragments via the ACL.
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