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Android: How can I validate EditText input?
I need to do form input validation on a series of EditTexts. I'm using OnFocusChangeListeners to trigger the validation after the user types into each one, but this doesn't behave as desired for the last EditText.
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How to read if a checkbox is checked in PHP?
...nput type="checkbox" name="test" value="value1">
After submitting the form you can check it with:
isset($_POST['test'])
or
if ($_POST['test'] == 'value1') ...
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WARNING: Can't verify CSRF token authenticity rails
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The best way to do this is actually just use <%= form_authenticity_token.to_s %> to print out the token directly in your rails code. You dont need to use javascript to search the dom for the csrf token as other posts mention. just add the headers option as below;
$.ajax...
Finding all cycles in a directed graph
...actical algorithms which apply various enhancements in order to improve performance and avoid cycle duplication. I was surprised to find out some time ago that these algorithms are not readily available in textbooks and on the web. So I did some research and implemented 4 such algorithms and 1 algor...
How to create a directory and give permission in single command
...as the Mode parameter for the chmod command, either in symbolic or numeric form.
– TMKasun
Jun 9 '14 at 11:14
15
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Read file data without saving it in Flask
...as actually). Don't want to make a copy of it, just want to open it. The form-WTF has a nice file browser, but then it opens the file and makes a temporary file, which it presents as a memory stream. With a little work under the hood,
form = UploadForm()
if form.validate_on_submit():
f...
List files recursively in Linux CLI with path relative to the current directory
... that by "sinning" with the parsing of ls, though, which is considered bad form by the GNU and Ghostscript communities.
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Performing user authentication in Java EE / JSF using j_security_check
...nd Java EE 6 core mechanisms (login/check permissions/logouts) with user information hold in a JPA entity. The Oracle Java EE tutorial is a bit sparse on this (only handles servlets).
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Is there a builtin confirmation dialog in Windows Forms?
I'd like to create a simple confirm dialog saying "Please check the information and if you're sure it's correct, click OK."
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Why are dashes preferred for CSS selectors / HTML attributes?
...irstName = document.querySelector('#first-name');
var firstName = document.forms[0].first_name;
I find the two first options much more preferable, especially since '#first-name' can be replaced with a JavaScript variable and built dynamically. I also find them more pleasant on the eyes.
The fact ...