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Why are arrays covariant but generics are invariant?
...nimals = dogs; // Awooga awooga
animals.add(new Cat());
Dog dog = dogs.get(0); // This should be safe, right?
Suddenly you have a very confused cat.
The original motivation for making arrays covariant described in the wikipedia article didn't apply to generics because wildcards made the expr...
How to adjust an UIButton's imageSize?
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– Sergey Sahakyan
Sep 22 '16 at 19:40
myButton.backgroundImageView?.contentMode = .scaleAspectFit
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Git push branch from one remote to another?
...org origin/one:refs/heads/one
Counting objects: 5, done.
Writing objects: 100% (3/3), 240 bytes, done.
Total 3 (delta 0), reused 0 (delta 0)
Unpacking objects: 100% (3/3), done.
To /tmp/rorg
* [new branch] origin/one -> one
So origin/BRANCHNAME:refs/heads/BRANCHNAME
Checking in my rorg r...
How do you squash commits into one patch with git format-patch?
...ack to your "master" branch already, this should do the trick:
[adam@mbp2600 example (master)]$ git checkout -b tmpsquash
Switched to a new branch "tmpsquash"
[adam@mbp2600 example (tmpsquash)]$ git merge --squash newlines
Updating 4d2de39..b6768b2
Fast forward
Squash commit -- not updating HEAD
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Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]
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answered Feb 11 '10 at 13:37
Brad Larson♦Brad Larson
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Mongoose — Force collection name
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202
This should do it
var UserInfo = new Schema({
username : String,
password : String
}, { c...
Can I invoke an instance method on a Ruby module without including it?
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10 Answers
10
Active
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MySQL: How to copy rows, but change a few fields?
..."155"
, col2
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FROM Table WHERE Event_ID = "120"
Here, the col2, ... represent the remaining columns (the ones other than Event_ID) in your table.
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“Could not find bundler” error
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ardavisardavis
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