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Continuously read from STDOUT of external process in Ruby
...hether at the time ehsanul answered the question, there was Open3::pipeline_rw() available yet, but it really makes things simpler.
I don't understand ehsanul's job with Blender, so I made another example with tar and xz. tar will add input file(s) to stdout stream, then xz take that stdout and co...
Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
...aceAll("^ +| +$|( )+", "$1")
);
}
There are 3 alternates:
^_+ : any sequence of spaces at the beginning of the string
Match and replace with $1, which captures the empty string
_+$ : any sequence of spaces at the end of the string
Match and replace with $1, which captures the em...
How often does python flush to a file?
...larger (I wanted open('file.txt', 'w', 512)) it buffers the full io.DEFAULT_BUFFER_SIZE of 8192. Is that a Python bug, a Linux bug, or an ID10t bug?
– Bruno Bronosky
Dec 1 '17 at 17:00
...
Ruby: Easiest Way to Filter Hash Keys?
...with just the choices in it.
choices = params.select { |key, value| key.to_s.match(/^choice\d+/) }
or you can use delete_if and modify the existing Hash e.g.
params.delete_if { |key, value| !key.to_s.match(/choice\d+/) }
or if it is just the keys and not the values you want then you can do:
p...
Setting default value for TypeScript object passed as argument
...myParamsObject;
//Compiles to:
var firstName = myParamsObject.firstName,
_a = myParamsObject.lastName,
lastName = _a === void 0 ? 'Smith' : _a;
Writing an interface, type or class for the parameter object improves legibility.
type FullName = {
firstName: string;
/** @default 'S...
C++: what regex library should I use? [closed]
... curious to know more on TR1 and C++0x, see en.wikipedia.org/wiki/Technical_Report_1
– Stéphane
Oct 8 '08 at 7:36
As ...
How to load a xib file in a UIView
...eView: UITableView) -> Int {
return 1
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return 5
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let restaurantTa...
UITableView - change section header color
...lor:[UIColor clearColor]];
return headerView;
}
Swift:
func tableView(_ tableView: UITableView!, viewForHeaderInSection section: Int) -> UIView!
{
let headerView = UIView(frame: CGRect(x: 0, y: 0, width: tableView.bounds.size.width, height: 30))
if (section == integerRepresentingYourSect...
What is the difference between the kernel space and the user space?
...ered Mar 26 '12 at 7:06
Aquarius_GirlAquarius_Girl
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in_array() and multidimensional array
I use in_array() to check whether a value exists in an array like below,
22 Answers
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