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How to get ID of the last updated row in MySQL?
...value', id = (SELECT @update_id := id)
WHERE some_other_column = 'blah' LIMIT 1;
SELECT @update_id;
EDIT by aefxx
This technique can be further expanded to retrieve the ID of every row affected by an update statement:
SET @uids := null;
UPDATE footable
SET foo = 'bar'
WHERE fooid > 5
...
How should I validate an e-mail address?
...e an e-mail to just send a confirmation e-mail to the address provided and it it bounces then it's not valid.
If you want to perform some basic checks you could just check that it's in the form *@*
If you have some business logic specific validation then you could perform that using a regex, e.g. ...
What events does an fire when it's value is changed?
...ws what events an HTML5 <input type="number" /> element fires when its up / down arrows are clicked:
5 Answers
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applicationWillEnterForeground vs. applicationDidBecomeActive, applicationWillResignActive vs. appli
...when an application is waking up from being in the background and you want it to prep it to be active?
7 Answers
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How do I reload .bashrc without logging out and back in?
If I make changes to .bashrc , how do I reload it without logging out and back in?
17 Answers
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Setting DIV width and height in JavaScript
I have a div with id="div_register" . I want to set its width dynamically in JavaScript.
6 Answers
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How do I open the SearchView programmatically?
There is this widget for the ActionBar which called 'SearchView'.
When it's not in use, it looks like this:
7 Answers
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Trying to git pull with error: cannot open .git/FETCH_HEAD: Permission denied
...
It seems like the first one isn't working because your user doesn't have the permissions for changing that directory, and the second because your root user doesn't have the right SSH keys for accessing that git repository.
D...
What is “thread local storage” in Python, and why do I need it?
...ared, except for function-local variables (because each function call gets its own set of locals, and threads are always separate function calls.) And even then, only the variables themselves (the names that refer to objects) are local to the function; objects themselves are always global, and anyth...
AngularJS: How to clear query parameters in the URL?
...ct the user back to my webapp and include a "code" query param in the URL. It's a traditional Oauth 2.0 flow.
16 Answers
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