I got this error when trying to install npm-check-updates with npm 5.6.0 on node 8.1.1
The solution is simple, just invoke
npm cache clean --force
try install npm-check-updates again, voila! it works
source:
https://github.com/npm/npm/issues/19072
recently, I want to pass this variable to the view
passedVars.metaOgUrl = '<meta property="og:url" content="' + originalUrl + '">';
and use the usual way of rendering variable in pug
#{metaOgUrl}
but it render the tag twice, a simple googling then found the answer, use != character as prefix
!=metaOgUrl
it’s rendered normal now
source:
https://stackoverflow.com/questions/23076881/jade-renders-my-html-twice
Yahoo! Mail and GMail both has a checkbox on top of their email list which will “checked” all chekboxes when clicked. Previously I use plain old javascript like those in this link, I just try to use jQuery to do this, its only 5 lines
$('#selectAll').click(function(event){
$('input[type="checkbox"]').each(function(){
this.checked = event.target.checked;
});
});
I was about to create a file upload form and want to check whether user has choose a file or not. I have tried using
if (typeof(variable) == 'undefined' || variable == null)
then
if (variable == null)
and many other way, just got luck when using
var filenames = $('#userfile')[0].files;
if (filenames.length > 0)
Here are 70 Javascript Libraries I’ve found from some articles and a bit googling
document.getElementById(FrameID).contentDocument.location.reload(true);$('#currentElement').attr("src", $('#currentElement').attr("src"));3 ways:
