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Load view from an external xib file in storyboard
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Another common cause of crashing is not setting the custom view to the file's owner. See the red circle in my answer.
– Suragch
Jan 6 '17 at 8:22
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How to move a model between two Django apps (Django 1.7)
...a loss. As ozan mentioned, we can create 2 migrations one in each app. The comments below this post refer to my old answer.
First migration to remove model from 1st app.
$ python manage.py makemigrations old_app --empty
Edit migration file to include these operations.
class Migration(migrations...
Good examples of Not a Functor/Functor/Applicative/Monad?
... looking for a type constructor that's Applicative but not a Monad, a very common example would be ZipList.
– John L
Aug 5 '12 at 23:52
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Why are side-effects modeled as monads in Haskell?
Could anyone give some pointers on why the impure computations in Haskell are modelled as monads?
8 Answers
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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
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UITableViewCell with UITextView height in iOS 7?
...ote, that there is a big difference between UITextView and UILabel when it comes to how text is rendered. Not only does UITextView have insets on all borders, but also the text layout inside it is slightly different.
Therefore, sizeWithFont: is a bad way to go for UITextViews.
Instead UITextView its...
How do I replace NA values with zeros in an R dataframe?
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See my comment in @gsk3 answer. A simple example:
> m <- matrix(sample(c(NA, 1:10), 100, replace = TRUE), 10)
> d <- as.data.frame(m)
V1 V2 V3 V4 V5 V6 V7 V8 V9 V10
1 4 3 NA 3 7 6 6 10 6 5
2 9 8 9 5 10...
Install dependencies globally and locally using package.json
... need to do this. What you probably want to do is just put those types of command dependencies for build/test etc. in the devDependencies section of your package.json. Anytime you use something from scripts in package.json your devDependencies commands (in node_modules/.bin) act as if they are in ...
Why is lock(this) {…} bad?
...t without the object designer/creator knowing about it. This increases the complexity of multi-threaded solutions and might affect their correctness.
A private field is usually a better option as the compiler will enforce access restrictions to it, and it will encapsulate the locking mechanism. Usi...
Java HashMap performance optimization / alternative
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