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How do you find out the type of an object (in Swift)?
...es, it's useful to be able to actually find out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still, I'd really like to have something like Python's type()
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Saving enum from select in Rails 4.1
...arkling</option>
</select>
Values went from "0" to "red" and now we're all set.
If you're using a regular ol' rails text_field it's:
f.select :color, Wine.colors.keys.to_a
If you want to have clean human-readable attributes you can also do:
f.select :color, Wine.colors.keys.ma...
How to set a JavaScript breakpoint from code in Chrome?
...rs to be Chrome only at this time, but that's my primary platform anyways. Now I just need to remember to stop calling my global debugging flag "debug"...
– brichins
Sep 23 '16 at 21:48
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Replace one substring for another string in shell script
...ntext would represent itself, not a newline. I don't have Bash handy right now to test, but you should be able to write something like, $STRING="${STRING/$'\n'/<br />}". (Though you probably want STRING// -- replace-all -- instead of just STRING/.)
– ruakh
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Merging between forks in GitHub
...o my fork. Then the original repository merged my changes and some others. Now, I want to merge those changes I'm missing. I tried a simple pull followed by push, but this yield my commits in duplicate. What's the best way to do it?
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What exactly are DLL files, and how do they work?
...ly do DLL files work? There seems to be an awful lot of them, but I don't know what they are or how they work.
9 Answers
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string.charAt(x) or string[x]?
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Bracket notation now works on all major browsers, except for IE7 and below.
// Bracket Notation
"Test String1"[6]
// charAt Implementation
"Test String1".charAt(6)
It used to be a bad idea to use brackets, for these reasons (Source):
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How to convert a string with comma-delimited items to a list in Python?
...', 'c']
>>> ''.join(L)
'abc'
But what you're dealing with right now, go with @Cameron's answer.
>>> word = 'a,b,c'
>>> L = word.split(',')
>>> L
['a', 'b', 'c']
>>> ','.join(L)
'a,b,c'
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Tools for making latex tables in R [closed]
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res <- x
res[oldx] <- NA
return(res)}
Now generate some fake data
data<-data.frame(animal=sample(c("elephant", "dog", "cat", "fish", "snake"), 100,replace=TRUE),
colour=sample(c("red", "blue", "green", "yellow"), 100,replace=TRUE),
siz...
Overcoming “Display forbidden by X-Frame-Options”
...ks well in FF/Chrome/Opera but doesn't work in IE/Edge though. Anyone who knows something which will?
– Collector
Aug 18 '15 at 4:49
7
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