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Change key pair for ec2 instance
...i.e. you lost your private key).
If you still have SSH access, please use one of the answers below.
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-key-pairs.html#replacing-lost-key-pair
Here is what I did, thanks to Eric Hammond's blog post:
Stop the running EC2 instance
Detach its /de...
Python, compute list difference
...chuk may have a better approach. For speed and pure set-like behavior this one seems better.
– Bryan P
Feb 13 '15 at 23:01
8
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“Add unimplemented methods” feature in the Android Studio
... IDE, but without success so far. Is there something similar? For me it is one of the key-features and can't live without.
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How to disable mouse scroll wheel scaling with Google Maps API
I am using Google Maps API (v3) to draw a few maps on a page. One thing I'd like to do is disable zooming when you scroll the mouse wheel over the map, but I'm unsure how.
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When do Java generics require
...jects, which doesn't match Map of String to anything that's Serializable.
One thing to check -- are you sure you want Class<Date> and not Date? A map of String to Class<Date> doesn't sound terribly useful in general (all it can hold is Date.class as values rather than instances of Date)...
What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
I want to reverse the changes from one of my checkins. In the right-click context menu of the particular changelist, there are these two options:
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Are (non-void) self-closing tags valid in HTML5?
... production of void elements or self-closing elements: you can't even have one rule to say write all empty elements as <tag></tag>.
– Bruno
Oct 23 '14 at 16:06
3
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What is the point of a “Build Server”? [closed]
...etting "NoClassDefFound" errors all over the place during testing and everyone else wondering what the hell went wrong. (This was problematic in my Java-based job until I set up Hudson and we moved QA builds to that)
– MattC
Aug 24 '09 at 0:50
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How can I limit possible inputs in a HTML5 “number” element?
...answered Dec 2 '11 at 10:38
CyclonecodeCyclonecode
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HTTP Error 503. The service is unavailable. App pool stops on accessing website
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One possible reason this might happen is that the Application Pool in IIS is configured to run under some custom account and this account either doesn't exist or a wrong password has been provided, or the password has been ch...