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How to add spacing between UITableViewCell

... My easy solution using Swift : // Inside UITableViewCell subclass override func layoutSubviews() { super.layoutSubviews() contentView.frame = contentView.frame.inset(by: UIEdgeInsets(top: 10, left: 10, bottom: 10, right: 10)) } Result ...
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How to match all occurrences of a regex

...r36 ar0und" str.scan(/\d+/) #=> ["54", "3", "1", "7", "3", "36", "0"] If you want, MatchData, which is the type of the object returned by the Regexp match method, use: str.to_enum(:scan, /\d+/).map { Regexp.last_match } #=> [#<MatchData "54">, #<MatchData "3">, #<MatchData "1...
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How to check if a file exists in Go?

Go's standard library does not have a function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it? ...
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Changing the “tick frequency” on x or y axis in matplotlib?

....plot (or ax.plot) function will automatically set default x and y limits. If you wish to keep those limits, and just change the stepsize of the tick marks, then you could use ax.get_xlim() to discover what limits Matplotlib has already set. start, end = ax.get_xlim() ax.xaxis.set_ticks(np.arange(...
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Int to Char in C#

...nsure "value" is in the range 0 to 0xffff, and throws an OverflowException if it is not. The extra method call, value/boundary checks, and OverflowException may be useful, but if not, the performance will be better if you just use "(char)value". – Triynko Apr ...
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Generic htaccess redirect www to non-www

... If it does not work, you are probably missing the RewriteEngine On precursor to make it work. – hendry May 25 '10 at 9:02 ...
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How do I put an 'if clause' in an SQL string?

... For your specific query, you can do: UPDATE purchaseOrder SET purchaseOrder_status = 'COMPLETED' WHERE purchaseOrder_ID = '@purchaseOrder_ID' and not exists (SELECT * FROM itemsOrdered WHERE purcha...
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Determine if ActiveRecord Object is New

How can I check if an ActiveRecord object is new or is already persisted? 2 Answers ...
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Insert Update stored proc on SQL Server

I've written a stored proc that will do an update if a record exists, otherwise it will do an insert. It looks something like this: ...
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How do I read all classes from a Java package in the classpath?

... If you have Spring in you classpath then the following will do it. Find all classes in a package that are annotated with XmlRootElement: private List<Class> findMyTypes(String basePackage) throws IOException, ClassNot...