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How to read from a file or STDIN in Bash?
...
Here is the simplest way:
#!/bin/sh
cat -
Usage:
$ echo test | sh my_script.sh
test
To assign stdin to the variable, you may use: STDIN=$(cat -) or just simply STDIN=$(cat) as operator is not necessary (as per @mklement0 comment).
To parse each line from the standard input, try the follo...
Access-Control-Allow-Origin Multiple Origin Domains?
...-----
<FilesMatch "\.(ttf|otf|eot|woff|woff2)$">
<IfModule mod_headers.c>
SetEnvIf Origin "http(s)?://(www\.)?(google.com|staging.google.com|development.google.com|otherdomain.example|dev02.otherdomain.example)$" AccessControlAllowOrigin=$0
Header add Access-Control-A...
Find object by id in an array of JavaScript objects
...t:
myArray = [{'id':'73','foo':'bar'},{'id':'45','foo':'bar'},etc.]
obj = _.find(myArray, function(obj) { return obj.id == '45' })
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ImageView - have height match width?
I have an imageview. I want its width to be fill_parent. I want its height to be whatever the width ends up being. For example:
...
Play an audio file using jQuery when a button is clicked
... "ogg": "audio/ogg",
"wav": "audio/wav"
}
function ss_soundbits(sound){
var audio_element = document.createElement('audio')
if (audio_element.canPlayType){
for (var i=0; i<arguments.length; i++){
var source_element = document.creat...
What is the most efficient way to concatenate N arrays?
...n Chrome at least. Test case: [].concat.apply([], Array(300000).fill().map(_=>[1,2,3])). (I've also gotten the same error using the currently accepted answer, so one is anticipating such use cases or building a library for others, special testing may be necessary no matter which solution you choo...
How to present popover properly in iOS 8
...s where you don't need to reassign the value.
– EPage_Ed
Sep 13 '14 at 1:47
3
This is bugged in t...
How can I load storyboard programmatically from class?
...cond = "SecondViewController"
}
extension UIStoryBoard{
class func load(_ storyboard: StoryBoardName) -> UIViewController{
return UIStoryboard(name: storyboard.rawValue, bundle: nil).instantiateViewController(withIdentifier: storyboard.rawValue)
}
}
and then you can load your Storyb...
What is the difference between UTF-8 and ISO-8859-1?
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Unicode is actually 17 planes of 2^16 code points. 0x00_0000 to 0x1F_FFFF. The 17 planes can accommodate 1,114,112 code points. Of these, 2,048 are surrogates, 66 are non-characters, and 137,468 are reserved for private use, leaving 974,530 for public assignment.about 1 million. ...
Display image as grayscale using matplotlib
...If you want to display the inverse grayscale, switch the cmap to cmap='gray_r'.
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