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Can I change multiplier property for NSLayoutConstraint?
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If you have only have two sets of multipliers that need to be applied, from iOS8 onwards you can add both sets of constraints and decide which should be active at any time:
NSLayoutConstraint *standardConstraint, *zoomedCons...
How to filter None's out of List[Option]?
If I have a List[Option[A]] in Scala, what is the idiomatic way to filter out the None values?
3 Answers
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UIButton: Making the hit area larger than the default hit area
...value = objc_getAssociatedObject(self, &KEY_HIT_TEST_EDGE_INSETS);
if(value) {
UIEdgeInsets edgeInsets; [value getValue:&edgeInsets]; return edgeInsets;
}else {
return UIEdgeInsetsZero;
}
}
- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event {
if(UI...
How to install a gem or update RubyGems if it fails with a permissions error
...r their own use. While it's OK to make minor modifications to that if you know what you're doing, because you are not sure about the permissions problem, I'd say it's not a good idea to continue along that track.
Instead, I'll strongly suggest you look into using either rbenv or RVM to manage a sep...
Simplest code for array intersection in javascript
...riginal question saying that the contents are expected to contain arrays. Now, you'd be right to say that unexpected input should be handled, but if the spec already happened to dictate that input must be arrays of numbers (as I assumed) then the code would be fine.
– atk
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RecyclerView onClick
...se a recyclerview in another fragment/activity, the adapter/viewholder are now defining the logic of the clicks instead of whatever is containing them. The clicks should really be handled directly or indirectly by the containing instance. It seems that a touch listener is the only effective way to g...
Generating random strings with T-SQL
If you wanted to generate a pseudorandom alphanumeric string using T-SQL, how would you do it? How would you exclude characters like dollar signs, dashes, and slashes from it?
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Get an OutputStream into a String
...rray is just binary data. As (unicode) text can be encoded binary in many different ways, the ByteArrayOutputStream needs to know what encoding was used to encode the bytes, so it can use the same encoding to decode the bytes to a string again. Simply using toString without an argument is not wise a...
How to mock ConfigurationManager.AppSettings with moq
...IConfiguration. You might be able to implement the facade itself in a few different ways. Above I chose just to wrap the individual properties. You also obtain the side benefit of having strongly typed information to work with rather than weakly typed hash arrays.
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How to create a checkbox with a clickable label?
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If someone can explain the comment @John left please do, because it makes no sense at all to me.
– Wesley Murch
Jul 30 '15 at 13:45
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