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Swift class introspection & generics
...type value requires an '@required' initializer
Y().me()
^
<REPL>:3:7: note: selected implicit initializer with type '()'
class X {
^
It took me a while to figure out what this means… turns out it wants the class to have a @required init()
class X {
func me() {
pri...
Floating elements within a div, floats outside of div. Why?
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edited Apr 26 '13 at 8:30
Mormegil
7,38633 gold badges3636 silver badges7272 bronze badges
ans...
How do you find the row count for all your tables in Postgres
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603
There's three ways to get this sort of count, each with their own tradeoffs.
If you want a true...
Xcode without Storyboard and ARC
...is not added in compiled sources in build phases then add there manually.
3) Remove Main storyboard file base name from plist.
4) Change appdelegate didFinishLaunchingWithOptions file and add :
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] ;
[self.window makeKeyAn...
iphone/ipad: How exactly use NSAttributedString?
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edited May 15 '13 at 1:39
answered Oct 6 '10 at 2:12
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What exactly is Spring Framework for? [closed]
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edited Jun 1 at 5:43
Minh Nghĩa
40955 silver badges1515 bronze badges
answered Jun 30 '09 at 16:...
Why are quaternions used for rotations?
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63
Gimbal lock is one reason, although as you say it is only a problem with Euler angles and is eas...
How to test that no exception is thrown?
...thod called getUserById() which will return a user and there is a total of 3 unit of works.
The first unit of work should test whether or not a valid user is being returned in the case of valid and invalid input.
Any exceptions that are being thrown by the datasource have to be handled here: if no ...