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How to have stored properties in Swift, the same way I had on Objective-C?
... @AKWeblS I have implemented code like yours but when updating to swift 2.0, i am getting the error cannot invoke initializer for type 'UInt' with an argument list of type 'objc_AssociationPolicy)'. Code in next comment
– user2363025
Oct 23 '15 at 7:16
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How to use RSpec's should_raise with any kind of exception?
...aise_error
This is applies for more recent versions of rspec, i.e. rspec 2.0 and up.
See the doco for more.
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What is android:weightSum in android, and how does it work?
...ayout_weight 1 to each ImageView, none on the TextView, and a weightSum of 2.0 on the LinearLayout.
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What does 'useLegacyV2RuntimeActivationPolicy' do in the .NET 4 config?
... news for applications is that you have the option of falling back to .NET 2.0 era binding for these assemblies by setting an app.config flag like so:
<startup useLegacyV2RuntimeActivationPolicy="true">
<supportedRuntime version="v4.0"/>
</startup>
So it looks like the way the ...
Center a position:fixed element
...l not center vertically and won't work in IE6/7. */
left: 0;
right: 0;
Again, this works only in IE8+ if you care about IE, and this centers only horizontally not vertically.
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Best way to define private methods for a class in Objective-C
...thing as a private method in Objective-C. However, starting in Objective-C 2.0 (meaning Mac OS X Leopard, iPhone OS 2.0, and later) you can create a category with an empty name (i.e. @interface MyClass ()) called Class Extension. What's unique about a class extension is that the method implementatio...
Maven check for updated dependencies in repository
...ailable:
[INFO] org.apache.maven:maven-artifact ........................ 2.0 -> 2.0.9
[INFO] org.apache.maven:maven-plugin-api ...................... 2.0 -> 2.0.9
[INFO] org.apache.maven:maven-project ....................... 2.0.2 -> 2.0.9
[INFO] org.codehaus.plexus:plexus-utils ......
Simple calculations for working with lat/lon and km distance?
... let latDistance = (Double(arc4random()) / Double(UInt32.max)) * offset * 2.0 - offset
let longDistanceMax = sqrt(offset * offset - latDistance * latDistance)
let longDistance = (Double(arc4random()) / Double(UInt32.max)) * longDistanceMax * 2.0 - longDistanceMax
let lat: C...
How to toggle a value in Python
...0
>>> x ^= 1
>>> x
1
The technique generalizes to any pair of integers. The xor-by-one step is replaced with a xor-by-precomputed-constant:
>>> A = 205
>>> B = -117
>>> t = A ^ B # precomputed toggle constant
>>> x = A
>>> x ^...
UIView frame, bounds and center
...s) among the previous properties:
frame.origin = center - (bounds.size / 2.0)
center = frame.origin + (bounds.size / 2.0)
frame.size = bounds.size
NOTE: These relationships do not apply if views are rotated. For further info, I will suggest you take a look at the following image taken from The K...