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Extract a substring according to a pattern
... sub to replace it with a colon first. For example, if the separator were _ then string <- sub("_", ":", string)
c(read.dcf(textConnection(string)))
## [1] "E001" "E002" "E003"
7) separate
7a) Using tidyr::separate we create a data frame with two columns, one for the part before the colon and o...
How to change the font size on a matplotlib plot
How does one change the font size for all elements (ticks, labels, title) on a matplotlib plot?
12 Answers
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How to parse float with two decimal places in javascript?
I have the following code. I would like to have it such that if price_result equals an integer, let's say 10, then I would like to add two decimal places. So 10 would be 10.00.
Or if it equals 10.6 would be 10.60. Not sure how to do this.
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CSS Font Border?
With all the new CSS3 border stuff going on ( -webkit , ...) is it now possible to add a border to your font? (Like the solid white border around the blue Twitter logo). If not, are there any not-too-ugly hacks that will accomplish this in CSS/XHTML or do I still need to fire up Photoshop?
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Rails Object to hash
...ly attributes, then you can get them by:
@post.attributes
Note that this calls ActiveModel::AttributeSet.to_hash every time you invoke it, so if you need to access the hash multiple times you should cache it in a local variable:
attribs = @post.attributes
...
Why is there extra padding at the top of my UITableView with style UITableViewStyleGrouped in iOS7
...he tableView's tableHeaderView = nil.
Because my tableView has a dynamically appearing tableHeaderView, when I need to hide the tableHeaderView, instead of doing self.tableView.tableHeaderView = nil;, I do:
self.tableView.tableHeaderView = [[UIView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, sel...
How do I change the color of the text in a UIPickerView under iOS 7?
...spaced 35 pts apart for a picker height of 180.
Swift 3:
func pickerView(_ pickerView: UIPickerView, attributedTitleForRow row: Int, forComponent component: Int) -> NSAttributedString? {
let string = "myString"
return NSAttributedString(string: string, attributes: [NSForegroundColorAtt...
How do I declare a global variable in VBA?
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I tried all the other suggestions about "scope" and none worked. The only thing that worked was a new Module specifically for global vars and it works!
– Fandango68
Sep 27 '19 at 4:23
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How do I change bash history completion to complete what's already on the line?
...y-search-forward'
fi
(the if statement checks for interactive mode)
Normally, Up and Down are bound to the Readline functions previous-history and next-history respectively. I prefer to bind PgUp/PgDn to these functions, instead of displacing the normal operation of Up/Down.
# ~/.inputrc
"\e[5...
Force R not to use exponential notation (e.g. e+10)?
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This is a bit of a grey area. You need to recall that R will always invoke a print method, and these print methods listen to some options. Including 'scipen' -- a penalty for scientific display. From help(options):
‘scipen’: integer. A penalty to be applied wh...