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ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
...rry Pi, and the first step is gaining the ability to ssh into the device from outside my local network. For whatever reason, this is proving to be impossible and I haven't the slightest clue why. When I try to ssh into my server with user@hostname , I get the error:
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What's the best practice using a settings file in Python? [closed]
...while trying to load the configuration through import. That's unacceptable from a security standpoint.
– Apalala
Feb 9 '16 at 23:18
5
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UICollectionView's cellForItemAtIndexPath is not being called
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In my case, it was because my layout class incorrectly subclassed from UICollectionViewLayout instead of UICollectionViewFlowLayout
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fol...
Open a file from Cygwin
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You can use the start command from the CMD like this:
cmd /c start <your file>
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follow
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Cannot read configuration file due to insufficient permissions
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While trying to setup a new ASP.Net web site from scratch in IIS 7 onward once you have fixed the error being discussed in this thread you might face an authorization error "HTTP Error 401.3 - Unauthorized" as your next hurdle. To fix that if you have enabled anonymous ...
How to output loop.counter in python jinja template?
...ter variable inside the loop is called loop.index in jinja2.
>>> from jinja2 import Template
>>> s = "{% for element in elements %}{{loop.index}} {% endfor %}"
>>> Template(s).render(elements=["a", "b", "c", "d"])
1 2 3 4
See http://jinja.pocoo.org/docs/templates/ for ...
Real world example about how to use property feature in python?
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possibly, from pro standpoint, these are very good examples. But, as a noobie, i find this examples quite ineffective. my bad ... :(
– kmonsoor
Mar 11 '14 at 8:30
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Git repository broken after computer died
...p the files you modified in the repo
remove your existing repo
re-clone it from server
paste the files from step 1 to the repo, and git commit -a
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When should one use final for method parameters and local variables?
...on is the case where you have to mark something final so you can access it from within an anonymous inner class.
Edit: note that one use case where final local variables are actually very useful as mentioned by @adam-gent is when value gets assigned to the var in the if/else branches.
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Send string to stdin
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You can use one-line heredoc
cat <<< "This is coming from the stdin"
the above is the same as
cat <<EOF
This is coming from the stdin
EOF
or you can redirect output from a command, like
diff <(ls /bin) <(ls /usr/bin)
or you can read as
while read line
do
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