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Test if remote TCP port is open from a shell script
...nnection successful:
$ timeout 1 bash -c 'cat < /dev/null > /dev/tcp/google.com/80'
$ echo $?
0
# Connection failure prior to the timeout
$ timeout 1 bash -c 'cat < /dev/null > /dev/tcp/sfsfdfdff.com/80'
bash: sfsfdfdff.com: Name or service not known
bash: /dev/tcp/sfsfdfdff.com/80: Inv...
How to apply a style to an embedded SVG?
... manage to get this trick to work in Chrome without including svgweb: code.google.com/p/svgweb ...Any idea's what I'm doing wrong?
– Matt W-D
Jul 14 '12 at 23:48
1
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What's a redirect URI? how does it apply to iOS app for OAuth2.0?
...pp) that shows you the steps involved in the protocol.
https://developers.google.com/oauthplayground/
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Search code inside a Github project
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@user456584 that's news to me. You might want to let Google and Mozilla know too.
– fny
Nov 23 '12 at 7:15
2
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Go build: “Cannot find package” (even though GOPATH is set)
...ith its subdirectory within the
module. For example, the module github.com/google/go-cmp contains a
package in the directory cmp/. That package's import path is
github.com/google/go-cmp/cmp. Packages in the standard library do not
have a module path prefix.
You can initialize your module like this:...
What is PostgreSQL explain telling me exactly?
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The part I always found confusing is the startup cost vs total cost. I Google this every time I forget about it, which brings me back to here, which doesn't explain the difference, which is why I'm writing this answer. This is what I have gleaned from the Postgres EXPLAIN documentation, explain...
Do browsers parse javascript on every page load?
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It's worth nothing that Google Dart explicitly tackles this problem via "Snapshots" - the goal is to speed up the initialization and loading time by loading the preparsed version of the code.
InfoQ has a good writeup @ http://www.infoq.com/article...
How to import existing *.sql files in PostgreSQL 8.4?
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Always preferred using a connection service file (lookup/google 'psql connection service file')
Then simply:
psql service={yourservicename} < {myfile.sql}
Where yourservicename is a section name from the service file.
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How to set the maximum memory usage for JVM?
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Is ulimit a Linux command? I did a quick Google search and didn't see any relationship between ulimit and the JVM. Y
– Sam
May 26 '15 at 4:09
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Hide all warnings in ipython
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Yes, I do (Google Chrome)
– Ben
Feb 25 at 10:52
Works ...