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How to do something before on submit? [closed]

... Assuming you have a form like this: <form id="myForm" action="foo.php" method="post"> <input type="text" value="" /> <input type="submit" value="submit form" /> </form> You can attach a onsubmit-event with jQuery like this: $('#myForm').submit(function() { a...
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Bootstrap Carousel image doesn't align properly

...sive center-block" src="img/....jpg" alt="First slide"> This automatically does image resizing, and centers the picture. Edit: With bootstrap 4, just add the img-fluid class <img class="img-fluid" src="img/....jpg"> ...
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How to post JSON to a server using C#?

... Don't build JSON manually. It is easy to make mistakes that allow for JSON injection. – Florian Winter Feb 27 '17 at 14:08 5 ...
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How to test an SQL Update statement before running it?

...verflow.com/a/18499823/1416909 ): # do some stuff that should be conditionally rollbacked later on SET @v1 := UPDATE MyGuests SET lastname='Doe' WHERE id=2; IF(v1 < 1) THEN ROLLBACK; ELSE COMMIT; END IF; But I would suggest to use the language wrappers available in your favorite progr...
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How to impose maxlength on textArea in HTML using JavaScript

... @JoshStodola - Indeed you cannot. It would really annoy me as a user if I had pasted a whole piece of something in a textarea, clicked submit, and only saw a small portion of it go through without any response. – Travis J Apr 30 '1...
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Best way to extract a subvector from a vector?

Suppose I have a std::vector (let's call it myVec ) of size N . What's the simplest way to construct a new vector consisting of a copy of elements X through Y, where 0 ...
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Font from origin has been blocked from loading by Cross-Origin Resource Sharing policy

I'm receiving the following error on a couple of Chrome browsers but not all. Not sure entirely what the issue is at this point. ...
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CodeIgniter activerecord, retrieve last insert id?

...t can be return insert id it is // similar to the mysql_insert_id in core PHP You can refer this link you can find some more stuff. Information from executing a query share | improve this answer...
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For a boolean field, what is the naming convention for its getter/setter?

...e section of Sun's code conventions where boolean getter names are specifically covered? I could not find it. – Konstantin Pelepelin Mar 29 '17 at 17:36 4 ...
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Make an HTTP request with android

...e. Instead use either: OkHttp HttpUrlConnection Original Answer First of all, request a permission to access network, add following to your manifest: <uses-permission android:name="android.permission.INTERNET" /> Then the easiest way is to use Apache http client bundled with Android: Ht...