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How do I hide a menu item in the actionbar?
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Get a MenuItem pointing to such item, call setVisible on it to adjust its visibility and then call invalidateOptionsMenu() on your activity so the ActionBar menu is adjusted accordingly.
Update: A MenuItem is not a regular view that's part of your ...
How do you use https / SSL on localhost?
I would like to know how to setup SSL on my web application on the localhost.
3 Answers
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How to insert text into the textarea at the current cursor position?
I would like to create a simple function that adds text into a text area at the user's cursor position. It needs to be a clean function. Just the basics. I can figure out the rest.
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What exactly do the Vagrant commands do?
...rant commands do, other than references throughout the "getting started" tutorial.
3 Answers
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Having both a Created and Last Updated timestamp columns in MySQL 4.0
...rrent timestamp as the default value for initializing the column, as the auto-update value, or both. It is not possible to have the current timestamp be the default value for one column and the auto-update value for another column.
Changes in MySQL 5.6.5:
Previously, at most one TIMESTAMP colu...
How to remove non-alphanumeric characters?
I need to remove all characters from a string which aren't in a-z A-Z 0-9 set or are not spaces.
9 Answers
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Cannot delete or update a parent row: a foreign key constraint fails
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REFERENCES `jobs` (`advertiser_id`);
...is actually the opposite to what it should be. As it is, it means that you'd have to have a record in the jobs table before the advertisers. So you need to use:
ALTER TABLE `jobs`
ADD CONSTRAINT `advertisers_ibfk_1` FOREIGN KEY (`advertiser_id`)...
Purpose of returning by const value? [duplicate]
...a + b).expensive();
In the age of C++11, however, it is strongly advised to return values as non-const so that you can take full advantage of rvalue references, which only make sense on non-constant rvalues.
In summary, there is a rationale for this practice, but it is essentially obsolete.
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Django admin: How to display a field that is marked as editable=False' in the model?
... is marked as 'editable=False' in the model, I would like the admin page to display it. Currently it hides the field altogether.. How can this be achieved ?
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Git merge two local branches
...ter , branchA and branchB .
Now I'm working in the branchA and I need to merge branchA with branchB and proceed my work in the branchA . All files are comitted in the branchA and branchB .
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