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How to enable cross-origin resource sharing (CORS) in the express.js framework on node.js
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This works for me (I'm fetching objects using Backbone). I'm trying to figure out if it will work in IE 8... seems like it should, but I don't know if anything special is required for this "XDomainRequest" thing ... developer.mozilla.org/en-US/docs/...
Make var_dump look pretty
...her solutions. It is extremely simple and requires no extensions, includes etc and is what I prefer. It's very easy and very fast.
First just json_encode the variable in question:
echo json_encode($theResult);
Copy the result you get into the JSON Editor at http://jsoneditoronline.org/ just copy...
Database sharding vs partitioning
... use the alphabet to divide the data. A-D is instance 1, E-G is instance 2 etc. Customer data is well suited for this, but will be somewhat misrepresented in size across instances if the partitioning does not take in to account that some letters are more common than others.
Another common technique...
Format date and time in a Windows batch script
...t I need to format the current date and time for later use in files names, etc.
33 Answers
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How do I clear only a few specific objects from the workspace?
...rrent set of user-defined variables AND to clear loaded packages, devices, etc. The reproducibility of your work will increase markedly by adopting this habit.
See this excellent thread on Rstudio community for (h/t @kierisi) for a more thorough discussion (the main gist is captured by what I've st...
How to match “any character” in regular expression?
...rite that as [\s\S] (whitespace or non-whitespace), though [\w\W], [\d\D], etc. would all work.
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How does “cat
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The following does not work for that case:
$ sudo cat <<EOF >/etc/somedir/foo.conf
# my config file
foo=bar
EOF
because the redirection is handled outside of the sudo context.
I ended up using this instead:
$ sudo tee <<EOF /etc/somedir/foo.conf >/dev/null
# my config file
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ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
...c to your Raspberry inside your local network, do this: On your Mac, edit /etc/hosts. Assuming the Raspberry has hostname "berry" and ip "172.16.0.100", add one line:
# ip hostname
172.16.0.100 berry
Now: ssh user@berry should work.
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Why does sys.exit() not exit when called inside a thread in Python?
...s with status n, without calling cleanup handlers, flushing stdio buffers, etc."
– Tim Richardson
Jan 19 '19 at 5:50
N...
How do I get the directory that a program is running from?
...uld be considered subject to change from version to version, arch to arch, etc.
– asveikau
Jan 28 '10 at 0:29
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