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Rails - Nested includes on Active Records?
...ts that I fetch.
I'm trying to include every user associated to this event and every profile associated to each user. The Users get included but not their profiles.
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Format string, integer with leading zeros
... the format string "img_%03d.jpg" to get decimal numbers with three digits and leading zeros.
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Programmatically fire button click event?
...ally fire a button click event? I have a button placed there in an UIView, and in a particular scenario i want to click the button via code, not manually as a user. Is it possible in iOS development? Please provide your suggestions and guide me how to do that.
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How to pipe stdout while keeping it on screen ? (and not to a output file)
I would like to pipe standard output of a program while keeping it on screen.
5 Answers
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How to do a newline in output
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It seems that both Ruby and PHP do not expand escape sequences in single quoted strings.
– kjagiello
Dec 31 '13 at 15:02
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Saving vim macros
...copy/paste registers so you can paste it as normal with the "xp or "xP commands in normal mode.
To save it you open up .vimrc and paste the contents, then the register will be around the next time you start vim.
The format is something like:
let @q = 'macro contents'
Be careful of quotes, though...
setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
...ates one of your constraints, you should remove the constraint immediately and call setNeedsUpdateConstraints. In fact, that’s the only case where you should have to trigger a constraint update pass.
In addition, in my experience, I have never had to invalidate constraints, and not set the setNe...
Using Vim's persistent undo?
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Put this in your .vimrc to create an undodir if it doesn't exist and enable persistent undo. Tested on both Windows and Linux.
" Put plugins and dictionaries in this dir (also on Windows)
let vimDir = '$HOME/.vim'
let &runtimepath.=','.vimDir
" Keep undo history across sessions by st...
How do I make class methods / properties in Swift?
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They are called type properties and type methods and you use the class or static keywords.
class Foo {
var name: String? // instance property
static var all = [Foo]() // static type property
class var comp: Int { // computed ...
Referencing another schema in Mongoose
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what would be the difference between populate and addToSet?
– Winnemucca
Apr 23 '17 at 6:50
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