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AWS ssh access 'Permission denied (publickey)' issue [closed]
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For Ubuntu instances:
chmod 600 ec2-keypair.pem
ssh -v -i ec2-keypair.pem ubuntu@ec2-174-129-185-190.compute-1.amazonaws.com
For other instances, you might have to use ec2-user instead of ubuntu.
Most EC2 Linux images I've used only have the root user create...
Python list sort in descending order
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In one line, using a lambda:
timestamp.sort(key=lambda x: time.strptime(x, '%Y-%m-%d %H:%M:%S')[0:6], reverse=True)
Passing a function to list.sort:
def foo(x):
return time.strptime(x, '%Y-%m-%d %H:%M:%S')[0:6]
timestamp.sort(key=foo, reverse=True)
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Close Bootstrap Modal
...rap modal dialog box that I want to show initially, then when the user clicks on the page, it disappears. I have the following:
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Opening the Settings app from another app
Okay, I know that there are many question about it, but they are all from many time ago.
17 Answers
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Specifying an Index (Non-Unique Key) Using JPA
... eg email as having an index using JPA annotations. We need a non-unique key on email because there are literally millions of queries on this field per day, and its a bit slow without the key.
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How to do something before on submit? [closed]
...e form. I need to do something before submits happen. I tried doing onClick on that button but it happens after the submit.
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ASP.NET MVC Performance
I found some wild remarks that ASP.NET MVC is 30x faster than ASP.NET WebForms. What real performance difference is there, has this been measured and what are the performance benefits.
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AngularJS HTTP post to PHP and undefined
...nput in PHP, and then deserialize the JSON.
That can be achieved in PHP like this:
$postdata = file_get_contents("php://input");
$request = json_decode($postdata);
$email = $request->email;
$pass = $request->password;
Alternately, if you are heavily relying on $_POST functionality, you can...
How do I change screen orientation in the Android emulator?
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Ctrl+F12 is the keyboard shortcut.
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How to support UTF-8 encoding in Eclipse
...ing for all content types.
2) Window > Preferences > General > Workspace, set Text file encoding to Other : UTF-8
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