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SSH to Elastic Beanstalk instance
... For the ssh command you'll have to specify the private key (.pem) file and user_name@public_dns_name (not the public key, as the answer implies by the .pub extension). For Amazon Linux, the default user name is ec2-user. For RHEL5, the user name is often root but might be ec2-user. For Ubun...
Bogus foreign key constraint fail
...ars that a new connection is opened for each query (bugs.mysql.com/bug.php?id=8280), making it neccessary to write all the drop statements in one query, eg.
SET FOREIGN_KEY_CHECKS=0;
DROP TABLE my_first_table_to_drop;
DROP TABLE my_second_table_to_drop;
SET FOREIGN_KEY_CHECKS=1;
Where the SE...
How to implement Rate It feature in Android App
I am developing an Android App. In which everything is working right. My app is ready to launch. But there I need to implement one more feature. I need to display a popup which contains
...
SQL Server - Create a copy of a database table and place it in the same database?
... offers creates a new table with the same column structure (just like he said) and inserts all data into the new table for you.
– user5855178
Apr 5 '17 at 14:14
1
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How do I update devDependencies in NPM?
...:
npm-check-updates
And to update and save changes to your package.json file:
npm-check-updates -u
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Align contents inside a div
I use css style text-align to align contents inside a container in HTML. This works fine while the content is text or the browser is IE. But otherwise it does not work.
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Find where java class is loaded from
...rintln(loader.getResource("foo/Test.class"));
}
}
This printed out:
file:/C:/Users/Jon/Test/foo/Test.class
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How to detect escape key press with pure JS or jQuery?
...your logic here.
}
}
Code Snippet:
var msg = document.getElementById('state-msg');
document.body.addEventListener('keypress', function(e) {
if (e.key == "Escape") {
msg.textContent += 'Escape pressed:'
}
});
Press ESC key <span id="state-msg"></span>
keyCode is ...
Remove all classes that begin with a certain string
I have a div with id="a" that may have any number of classes attached to it, from several groups. Each group has a specific prefix. In the javascript, I don't know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want...
In Android, how do I set margins in dp programmatically?
... is your parent layout ex. <linearlayout><relativelayout><gridlayout> and you are working with grid layout. then, you need to use relativelayout.layoutparams
– Sruit A.Suk
Jun 15 '15 at 22:52
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