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Difference between `mod` and `rem` in Haskell
...stackoverflow.com/a/8111203/1535283 and stackoverflow.com/a/339823/1535283 for some more info about these tricky operations.
– Scott Olson
Apr 10 '13 at 9:22
4
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Providing a default value for an Optional in Swift?
The idiom for dealing with optionals in Swift seems excessively verbose, if all you want to do is provide a default value in the case where it's nil:
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Does PowerShell support constants?
...y variable can be removed (and then re-created) via
Remove-Variable test -Force
whereas a constant variable can't be removed (even with -Force).
See this TechNet article for more details.
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Find method references in Xcode
...n immediately to the left of the back button).
Go to the "Callers" submenu for a list of all methods that call the selected method, and click any of them to jump to that file and method.
In pictures...
A couple of notes:
You can do this for properties too.
Note that when you select a callin...
How to make Scroll From Source feature always enabled?
...
You can check Autoscroll from source in setting for project pane (in the lastest version is probably different icon)
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Using .otf fonts on web browsers
...-face {
font-family: GraublauWeb;
src: url("path/GraublauWeb.otf") format("opentype");
}
@font-face {
font-family: GraublauWeb;
font-weight: bold;
src: url("path/GraublauWebBold.otf") format("opentype");
}
// Edit: OTF now works in most browsers, see comments
However if you wan...
How can I create a Set of Sets in Python?
...bjects are mutable and thus not hashable. The solution is to use frozenset for the inner sets, to indicate that you have no intention of modifying them.
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Python's “in” set operator
I'm a little confused about the python in operator for sets.
5 Answers
5
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Python TypeError: not enough arguments for format string
...ngs I believe... some of these can be NoneType but it fails immediately, before ones like that...
3 Answers
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Do you need break in switch when return is used?
...(...); in each case will make your code much more readable.
Lastly, don't forget to add the default case. If you think your code will never reach the default case then you could use the assert function, because you can never be sure.
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