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Writing handler for UIAlertAction
...on!) in println("Foo")}))
this is the proper way to define handlers in Swift.
As Brian pointed out below, there are also easier ways to define these handlers. Using his methods is discussed in the book, look at the section titled Closures
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Having issue with multiple controllers of the same name in my project
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The error message contains the recommended solution: "If this is the case, register this route by calling an overload of the 'MapRoute' method that takes a 'namespaces' parameter."
routes.MapRoute(
"Default", // Route name
"{controller}/{action}/{id}", // URL with par...
Swift - Convert to absolute value
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With Swift 5, you may use one of the two following ways in order to convert an integer to its absolute value.
#1. Get absolute value of an Int from magnitude property
Int has a magnitude property. magnitude has the following dec...
How can you profile a Python script?
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Are you coloring based on the amount of calls? If so, you should color based on time because the function with the most calls isn't always the one that takes the most time.
– red
Aug 6 '13 at 12:21
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In Java, what is the best way to determine the size of an object?
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Note that vmDetails is now VM.current().details().
– Miha_x64
May 13 '18 at 7:35
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How to know/change current directory in Python shell?
...user'
>>> os.chdir("/tmp/")
>>> os.getcwd()
'/tmp'
But if it's about finding other modules: You can set an environment variable called PYTHONPATH, under Linux would be like
export PYTHONPATH=/path/to/my/library:$PYTHONPATH
Then, the interpreter searches also at this place for ...
UITableViewHeaderFooterView: Unable to change background color
...he only way to set any color (with any alpha) is to use backgroundView:
Swift
self.backgroundView = UIView(frame: self.bounds)
self.backgroundView.backgroundColor = UIColor(white: 0.5, alpha: 0.5)
Obj-C
self.backgroundView = ({
UIView * view = [[UIView alloc] initWithFrame:self.bounds];
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How to round up a number to nearest 10?
...n ($r <= 5) : $roundee - $r : $roundee + (10 - $r);
}
Edit: I didn't know (and it's not well documented on the site) that round now supports "negative" precision, so you can more easily use
$round = round($roundee, -1);
Edit again: If you always want to round up, you can try
function roundU...
Are there any disadvantages to always using nvarchar(MAX)?
...disadvantages to making all character fields nvarchar(MAX) rather than specifying a length explicitly, e.g. nvarchar(255)? (Apart from the obvious one that you aren't able to limit the field length at the database level)
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GitHub pages are not updating
... again, I think the filenames have md5sum (or something) and should change if the file changes, so it should update the index.html script tag as well.
– jmjm
Jan 19 '19 at 18:28
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