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Difference between single quotes and double quotes in Javascript [duplicate]
... only difference between double quotes and single quotes is the interpretation of variable inside a string and the treatment of escape characters.
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How do I detect when someone shakes an iPhone?
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In 3.0, there's now an easier way - hook into the new motion events.
The main trick is that you need to have some UIView (not UIViewController) that you want as firstResponder to receive the shake event messages. Here's the code that you can use in any UIView to get shake events:...
mysql Foreign key constraint is incorrectly formed error
... collation, not just data type and length and bit signing.
Not that you'd mix collation in your model (would you?) but if you do, be sure your primary and foreign key fields are of the same collation type in phpmyadmin or Heidi SQL or whatever you use.
Hope this saves you the four hours of trial a...
C++ compiling on Windows and Linux: ifdef switch [duplicate]
... this answer is sort of better in that it directly answers the question, instead of just providing a link to some 3rd site which may die one day
– Petr
Mar 6 '14 at 8:32
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Cannot use identity column key generation with ( TABLE_PER_CLASS )
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The problem here is that you mix "table-per-class" inheritance and GenerationType.Auto.
Consider an identity column in MsSQL. It is column based. In a "table-per-class" strategy you use one table per class and each one has an ID.
Try:
@GeneratedValue(...
Add a property to a JavaScript object using a variable as the name?
...t[1] ] = "Hello";
Pitfalls:
myObj.[xxxx] = "Hello"; // wrong: mixed notations, syntax fail
myObj[prop1] = "Hello"; // wrong: this expects a variable called prop1
tl;dnr: If you want to compute or reference the key you must use bracket notation. If you are using the key explicitly...
UIButton won't go to Aspect Fit in iPhone
...ete. See @Werner Altewischer's answer for the correct answer in modern versions of iOS.
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Where can I download IntelliJ IDEA Color Schemes? [closed]
...ry good dark theme, because it has appealing blues with yellows and greens mixed in. Highly recommended.
http://www.decodified.com/misc/2011/06/15/blueforest-a-dark-color-scheme-for-intellij-idea.html
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How to rename a single column in a data.frame?
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Mixed feelings...in a perfect world, where perfect programming languages abound, would it really require this many keystrokes to change the name of a single column? I love R but sometimes I want to strangle it for these types...
Storyboard doesn't contain a view controller with identifier
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Just for future reference:
I'm developing on iOS 6 using Storyboards.
I was having the same issue, but I could not find the "Identifier" field in the inspector.
Instead, just set the field named "Storyboard ID" to what you would name the Identifier. This field can be f...