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How to do something before on submit? [closed]
i have a form which has a button that submits the form. I need to do something before submits happen. I tried doing onClick on that button but it happens after the submit.
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Delete directory with files in it?
I wonder, what's the easiest way to delete a directory with all its files in it?
33 Answers
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How can I make git show a list of the files that are being tracked?
Using command line git, how can I make git show a list of the files that are being tracked in the repository?
4 Answers
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What characters are allowed in an email address?
I'm not asking about full email validation.
17 Answers
17
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Is it possible to make relative link to image in a markdown file in a gist?
I've got a gist which contains a markdown file and an image.
5 Answers
5
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How do I find a specific table in my EDMX model quickly?
I was wondering if anyone knows a quicker way to find a table in the EDMX model than just scrolling through the diagram and looking for the thing. Our database has around 50 tables in it and when I'm looking for a specific one it's just a chore to see where VS put the thing.
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Can I click a button programmatically for a predefined intent?
I need the button click of the intent ACTION_SEND.
Here there is no need of displaying UI.
Can I get the "Send" button click from the MMS-SMSProvider in Android?
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How to name variables on the fly?
Is it possible to create new variable names on the fly?
6 Answers
6
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Why does MYSQL higher LIMIT offset slow the query down?
Scenario in short: A table with more than 16 million records [2GB in size]. The higher LIMIT offset with SELECT, the slower the query becomes, when using ORDER BY *primary_key*
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Is there a Mutex in Java?
Is there a Mutex object in java or a way to create one?
I am asking because a Semaphore object initialized with 1 permit does not help me.
Think of this case:
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