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Allow user to set up an SSH tunnel, but nothing else
...-send-commands" echoes back "do-not-send-commands" if someone or something does manage to send commands to the host via ssh -T or otherwise.
From a recent Ubuntu man sshd, authorized_keys / command is described as follows:
command="command"
Specifies that the command is execute...
Difference between TCP and UDP?
...o and audio transmission where losing a few packets here and there usually does not matter so much (the color of a frame might be off, or a tiny nano-second of audio might be cut out or altered -- not really noticeable to humans). Of course, if your connection is really bad, you might lose so many p...
Create a string with n characters
...onds faster, which could be pretty significant (0.1 milliseconds) the loop does get faster as the number of iterations increases although the total time is still high. This holds true for when creating different sizes of space strings.
– kmecpp
Jul 8 '15 at 12:...
Close and Dispose - which to call?
...lConnection or one of the several classes inheriting from the Stream class does it matter if I close Dispose rather than Close?
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Invoking JavaScript code in an iframe from the parent page
...me using window.frames instead of document.getElementById.
// this option does not work in most of latest versions of chrome and Firefox
window.frames[0].frameElement.contentWindow.targetFunction();
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Can vim monitor realtime changes to a file
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Thanks for the hint! This looks pretty promising, but it doesn't work on my system :( I'm using Mac10.6.2 iTerm with vim version 7.2.303 compiled with MacVim. Any additional comment I can try?
– Patrick
Jan 29 '10 at 4:05
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How to get the last character of a string in a shell?
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echo "${str:$i:1}"
Otherwise, bash expands the variable and in this case does globbing before printing out. It is also better to quote the parameter to the script (in case you have a matching filename):
sh lash_ch.sh 'abcde*'
Also see the order of expansions in the bash reference manual. Variable...
What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
...type is not changed, but the compile-time type is.
When the source object does not implement the target interface, the source object is converted into an object that implements the target interface. So both the type and the compile-time type are changed.
Let me show this with some examples. I've ...
How to truncate a foreign key constrained table?
Why doesn't a TRUNCATE on mygroup work?
Even though I have ON DELETE CASCADE SET I get:
12 Answers
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How do I perform the SQL Join equivalent in MongoDB?
... specify that you want only certain documents in the "from" collection, or does it automatically join all in the db at once?
– user3413723
Jun 21 '16 at 4:07
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