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Show an image preview before upload
... }
} else {
alert("Pls select only images");
}
});
Detailed Article: How to Preview Image before upload it, jQuery, HTML5 FileReader() with Live Demo
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All falsey values in JavaScript
...detect IE, before conditional comments. See Why is document.all falsy? for details
"Falsey" simply means that JavaScript's internal ToBoolean function returns false. ToBoolean underlies !value, value ? ... : ...; and if (value). Here's its official specification (2020 working draft) (the only cha...
AWS: How to disable all services?
...https://console.aws.amazon.com/billing/home?region=us-west-2#/
Click "Bill Details"
Inspect it
You'll find NAME OF SERVICE + ITS LOCATION. This is the information you need.
https://console.aws.amazon.com/rds/home?region=us-east-1
Go to topright of page. Select the correct server location
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Can I have multiple :before pseudo-elements for the same element?
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@matt.kauffman23 To recollect a detail like this after more than 6 years, you have a great memory!
– ChrisOdney
Nov 24 '19 at 12:38
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Why doesn't C# support the return of references?
...dering this for C# 7. See https://github.com/dotnet/roslyn/issues/5233 for details.
UPDATE: The feature made it in to C# 7!
You are correct; .NET does support methods that return managed references to variables. .NET also supports local variables that contain managed references to other variable...
How can I convert this foreach code to Parallel.ForEach?
...e the lines to be parsed in parallel, within the loop. If you want a more detailed, less "reference oriented" introduction to the Parallel class, I wrote a series on the TPL which includes a section on Parallel.ForEach.
sha...
How to test android referral tracking?
...iver
then broadcast to com.my.app.debug/com.package.app.path.to.MyReceiver Details here: https://groups.google.com/forum/#!topic/adt-dev/PjTHX79Iomw
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How to attach file to a github issue?
...file chooser. See https://github.com/blog/1347-issue-attachments for more details.
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Does JavaScript have “Short-circuit” evaluation?
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This answer goes into great detail on how short-circuiting works in JavaScript, with all the gotcha's and also relevant themes such as operator precedence, if you're looking for a quick definition and already understand how short-circuiting works, I'd r...
How to change the default charset of a MySQL table?
... you try to write them into the DB. See eg. medium.com/@adamhooper/… for details.
– dwt
Feb 19 '18 at 13:58
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