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Detect when an image fails to load in Javascript
...) {
var tester=new Image();
tester.onload=imageFound;
tester.onerror=imageNotFound;
tester.src=URL;
}
function imageFound() {
alert('That image is found and loaded');
}
function imageNotFound() {
alert('That image was not found.');
}
testImage("http://foo.com/bar.jpg");
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file_put_contents(meta/services.json): failed to open stream: Permission denied
... This should be sudo chmod -R 777 app/storage. to avoid permission error.
– Olaitan Mayowa
Oct 8 '14 at 10:10
5
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How to save the output of a console.log(object) to a file?
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console.save = function(data, filename){
if(!data) {
console.error('Console.save: No data')
return;
}
if(!filename) filename = 'console.json'
if(typeof data === "object"){
data = JSON.stringify(data, undefined, 4)
}
var blob = new Blob([data], {ty...
How to call a shell script from python code?
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This gives: OSError: [Errno 13] Permission denied. my script does not required to run with sudo. @Manoj Govindan
– alper
Apr 19 '17 at 12:04
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Show Youtube video source into HTML5 video tag?
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Great stuff, however I ran into the error "TypeError: YT.Player is not a constructor", as described here: stackoverflow.com/questions/52062169/…. As the (only) answer points out, this results of the asynchronous script load and the API not yet being ready whe...
How to check if a string starts with one of several prefixes?
I have the following if statement:
7 Answers
7
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Can I grep only the first n lines of a file?
...s. :)
– jaypal singh
Jan 7 '12 at 1:05
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
...again.
– Mark Knol
Feb 24 '15 at 22:05
49
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Is there a way to use SVG as content in a pseudo element :before or :after
I want to place some SVG images before some selected elements. I am using jQuery but that is irrelevant.
8 Answers
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Is a GUID unique 100% of the time?
...iclippert.com/2012/04/30/guid-guide-part-two/
https://ericlippert.com/2012/05/07/guid-guide-part-three/
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