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Using scp to copy a file to Amazon EC2 instance?
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Try specifying the user to be ec2-user, e.g.
scp -i myAmazonKey.pem phpMyAdmin-3.4.5-all-languages.tar.gz ec2-user@mec2-50-17-16-67.compute-1.amazonaws.com:~/.
See Connecting to Linux/UNIX Instances Using SSH.
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What does Connect.js methodOverride do?
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If you want to simulate DELETE and PUT, methodOverride is for that.
If you pass in the _method post parameter set to 'delete' or 'put', then you can use app.delete and app.put in Express instead of using app.post all the time...
Difference between filter and filter_by in SQLAlchemy
Could anyone explain the difference between filter and filter_by functions in SQLAlchemy?
Which one should I be using?
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Find the IP address of the client in an SSH session
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Check if there is an environment variable called:
$SSH_CLIENT
OR
$SSH_CONNECTION
(or any other environment variables) which gets set when the user logs in. Then process it using the user login script.
Extract the IP:
$ ech...
Replace whitespaces with tabs in linux
... cool that these are standard. I love the UNIX philosophy. Would be nice if it could do in place though.
– Matthew Flaschen
Nov 14 '13 at 3:26
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Parcelable where/when is describeContents() used?
...h bit represents a kind of object considered to have potential special significance when marshalled.
Which really means: If you need to put FileDescriptor object into Parcelable you should/must specify CONTENTS_FILE_DESCRIPTOR as return value of describeContents(), i.e. by "special object" (in des...
How do I convert a Vector of bytes (u8) to a string
...s not require an allocation. You can create a String from the string slice if necessary by calling .to_owned() on the string slice (other options are available).
The library reference for the conversion function:
std::str::from_utf8
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Force overwrite of local file with what's in origin repo?
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If you want to overwrite only one file:
git fetch
git checkout origin/master <filepath>
If you want to overwrite all changed files:
git fetch
git reset --hard origin/master
(This assumes that you're working on mas...
Stop execution of Ruby script
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Like @webwurst says in the other answer, use abort to specify a failed end to the script, and exit for a successful end.
– Jrgns
Jul 1 '14 at 6:04
add a comme...
Why can I pass 1 as a short, but not the int variable i?
...work but not the last? Is there a way I can allow all 3 of them and detect if it was 1, (int)1 or i passed in? And really why is one allowed but the last? The second being allowed but not the last really blows my mind.
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