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How to use pull to refresh in Swift?

...ddTarget(self, action: #selector(self.refresh(_:)), for: .valueChanged) tableView.addSubview(refreshControl) // not required when using UITableViewController } @objc func refresh(_ sender: AnyObject) { // Code to refresh table view } At some point you could end refreshing. refreshControl...
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UITableViewHeaderFooterView: Unable to change background color

I'm trying to change the background color of UITableViewHeaderFooterView. Although the view is appearing, the background color remains the default color. I'm getting a log from xcode saying: ...
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What do 'real', 'user' and 'sys' mean in the output of time(1)?

...nning in kernel mode and runs code from a specific location held in a jump table. For security reasons, you cannot switch to kernel mode and execute arbitrary code - the traps are managed through a table of addresses that cannot be written to unless the CPU is running in supervisor mode. You trap ...
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Multiple DB Contexts in the Same DB and Application in EF 6 and Code First Migrations

...me connection string. But you want to make sure they don't map to the same tables. – Anthony Chu Feb 4 '14 at 15:23 If...
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Is there a way to auto expand objects in Chrome Dev Tools?

... Consider using console.table(). share | improve this answer | follow | ...
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How to unit test an object with database queries

... I know this is old but what about creating a duplicate table to the one that is in the DB already. That way you can confirm DB calls work? – bretterer Oct 3 '12 at 3:59 ...
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Postgresql aggregate array

Hi I have a two tables 4 Answers 4 ...
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Reference — What does this symbol mean in PHP?

... & $b; This would output the number 8. Why? Well let's see using our table example. ------------------------------------------- | 1 Byte ( 8 bits ) | ------------------------------------------- |Place Value | 128| 64| 32| 16| 8| 4| 2| 1| ----------------------------...
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Better techniques for trimming leading zeros in SQL Server?

...eading-zero's. If you plan on reusing it a lot, then place it in an Inline-Table-Valued-Function (ITVF). Your concerns about performance problems with UDF's is understandable. However, this problem only applies to All-Scalar-Functions and Multi-Statement-Table-Functions. Using ITVF's is perfectly fi...
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What's a correct and good way to implement __hash__()?

...nswer below mentions, hash method should not be defined/overridden for a mutable object (defined by default and uses id for equality and comparison). – Mr Matrix Jan 5 at 20:14 ...