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Getting the current page

...w *)scrollView{} which is called when your scrollView finishes scrolling and to have number of your page really sharp I recommend you to set your scrollView to paged enabled with this code [scrollView setPagingEnabled:YES]; So finally it should look like that way -(void) methodWhereYouSetYour...
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What does SQL clause “GROUP BY 1” mean?

...t_id. You also can specify in ORDER BY. Note : The number in ORDER BY and GROUP BY always start with 1 not with 0. share | improve this answer | follow |...
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How do I print the type of a variable in Rust?

... If you merely wish to find out the type of a variable and are willing to do it at compile time, you can cause an error and get the compiler to pick it up. For example, set the variable to a type which doesn't work: let mut my_number: () = 32.90; // let () = x; would work too ...
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How to construct a timedelta object from a simple string

...thinking of some kind of function that could take anything you throw at it and still be able to handle converting to timedelta. – priestc Jan 7 '11 at 17:15 2 ...
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Is it possible to Turn page programmatically in UIPageViewController?

... can use it to go to other pages. Wonder why viewControllers is an array, and not a single view controller? That's because a page view controller could have a "spine" (like in iBooks), displaying 2 pages of content at a time. If you display 1 page of content at a time, then just pass in a 1-elemen...
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How does `scp` differ from `rsync`?

...n these tools is how they copy files. scp basically reads the source file and writes it to the destination. It performs a plain linear copy, locally, or over a network. rsync also copies files locally or over a network. But it employs a special delta transfer algorithm and a few optimizations to m...
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select * vs select column

If I just need 2/3 columns and I query SELECT * instead of providing those columns in select query, is there any performance degradation regarding more/less I/O or memory? ...
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Send attachments with PHP Mail()?

...cript from here: http://github.com/PHPMailer/PHPMailer Extract the archive and copy the script's folder to a convenient place in your project. Include the main script file -- require_once('path/to/file/class.phpmailer.php'); Now, sending emails with attachments goes from being insanely difficult t...
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“There was an error while performing this operation”

...e in IIS for which I cannot open any of the settings like Authentication, Handler Mappings, Authorization Rules etc. It just shows the error message "There was an error while performing this operation", with no more details and points to web.config. ...
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Clone only one branch [duplicate]

... Thank you,! If --single-branch gives you an error just remove that and keep the -b :) – Braunson Mar 8 '13 at 17:20 20 ...