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How do I cancel form submission in submit button onclick event?

... then your form doesn't submit. You should also probably move your event handler from inline. document.getElementById('my-form').onsubmit = function() { return isValidForm(); }; share | impro...
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How to list imported modules?

... Or you could find the intersection of sys.modules with globals, and do no type testing at all. – Marcin Oct 15 '13 at 15:15 ...
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How to prevent scrollbar from repositioning web page?

... I get a double scrollbar in both Chromium and Firefox. I'm using flex-box; maybe that is causing this... – Garrett Apr 9 '16 at 6:19 ...
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C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]

If DateTime is an object and default C# parameters can only be assigned compile-time constants, how do you provide default values for objects like DateTime? ...
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Serializing a list to JSON

...atively, other, less mainstream options are available like Utf8Json parser and Jil: These may offer superior performance, if you really need it but, you will need to install their respective packages. If stuck using .Net Core 2.2 or earlier; Default to using Newtonsoft JSON.Net as your first choic...
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How to add a Timeout to Console.ReadLine()?

...f you want to have a normal (non-timed) ReadLine call, just use the Reader and omit the timeout, so that it defaults to an infinite timeout. So how about those problems of the other solutions I mentioned? As you can see, ReadLine is used, avoiding the first problem. The function behaves properly ...
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Downloading jQuery UI CSS from Google's CDN

I am planning on using Google to download the jQuery lib for both UI and Core. My question is, do they allow me to download the CSS for it or should I have to host it myself? ...
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Keep overflow div scrolled to bottom unless user scrolls up

I have a div that is only 300 pixels big and I want it to when the page loads scroll to the bottom of the content. This div has content dynamically added to it and needs to stay scrolled all the way down. Now if the user decides to scroll up I don't want it to jump back to the bottom until the user ...
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How to format a string as a telephone number in C#

... format as 111-222-4444 before I store it in a file. It is on a datarecord and I would prefer to be able to do this without assigning a new variable. ...
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how to generate migration to make references polymorphic

I have a Products table and want to add a column: 4 Answers 4 ...