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Using JQuery to check if no radio button in a group has been checked
I'm sitting with a problem, I need to check with JQuery if no radio button within a radio button group has been checked, so that I can give the users an javascript error if they forgot to check a option.
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How does database indexing work? [closed]
Given that indexing is so important as your data set increases in size, can someone explain how indexing works at a database-agnostic level?
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Use jQuery to get the file input's selected filename without the path
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var filename = $('input[type=file]').val().split('\\').pop();
or you could just do (because it's always C:\fakepath that is added for security reasons):
var filename = $('input[type=file]').val().replace(/C:\\fakepath\\/i, '')
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How can I prevent the textarea from stretching beyond his parent DIV element? (google-chrome issue o
How can I prevent the textarea from stretching beyond its parent DIV element?
4 Answers
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Proper way to handle multiple forms on one page in Django
I have a template page expecting two forms. If I just use one form, things are fine as in this typical example:
10 Answers...
How to save MySQL query output to excel or .txt file? [duplicate]
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From Save MySQL query results into a text or CSV file:
MySQL provides an easy mechanism for writing the results of a select
statement into a text file on the server. Using extended options of
the INTO OUTFILE nomenclature, it is possible to create...
Deleting a Google App Engine application
...le Cloud console, you can still disable GAE applications as before (App Engine --> Settings --> Disable). They cannot currently be deleted. However you can delete the entire project by going to IAM --> Settings --> Shut Down. This button is in the header and a bit tricky to spot. It lo...
JavaScript displaying a float to 2 decimal places
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But it returns string, not float!
– Anwar
Jun 7 '16 at 9:58
40
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create multiple tag docker image
... be attached to one Docker image? Is it possible to create multiple tags using one Dockerfile ?
3 Answers
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How to solve PHP error 'Notice: Array to string conversion in…'
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When you have many HTML inputs named C[] what you get in the POST array on the other end is an array of these values in $_POST['C']. So when you echo that, you are trying to print an array, so all it does is print Array and a notice.
To print prope...