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Proper way to declare custom exceptions in modern Python?
...e.args[0]
print(details["animal"])
It is still possible to pass in multiple items to the exception and access them via tuple indexes, but this is highly discouraged (and was even intended for deprecation a while back). If you do need more than a single piece of information and the above method...
Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything
...
Uncommenting DOCKER_OPTS="--dns 8.8.8.8 --dns 8.8.4.4" in /etc/default/docker as Matt Carrier suggested did NOT work for me. Nor did putting my corporation's DNS servers in that file. But, there's another way (read on).
First, let's verify the problem:
$ docker run --rm busybox nslookup goo...
How to write an XPath query to match two attributes?
...
Sample XML:
<X>
<Y ATTRIB1=attrib1_value ATTRIB2=attrib2_value/>
</X>
string xPath="/" + X + "/" + Y +
"[@" + ATTRIB1 + "='" + attrib1_value + "']" +
"[@" + ATTRIB2 + "='" + attrib2_value + "']"
XPath Testbed:
http://...
serve current directory from command line
...possible (thanks Aaron Patterson/n0kada):
ruby -run -e httpd . -p 9090
Alternate, more complex way:
ruby -r webrick -e "s = WEBrick::HTTPServer.new(:Port => 9090, :DocumentRoot => Dir.pwd); trap('INT') { s.shutdown }; s.start"
Even the first command is hard to remember, so I just have ...
How to emulate GPS location in the Android Emulator?
...u then can use the geo command to set a latitude, longitude and if needed altitude on the device that is passed to all programs using the gps location provider. See the link above for further instructions.
The specific command to run in the console is
geo fix <longitude value> <latitude ...
I ran into a merge conflict. How can I abort the merge?
...ranch as theirs looks like an option of recursive
– mlt
Jul 2 '12 at 15:28
22
git merge --abort i...
How do I convert an HttpRequestBase into an HttpRequest object?
...ubBroker.BrokerAsync(this.Request, redirectTo);
}
public ActionResult RedirectCompleted(HttpWebResponse brokered)
{
RequestBroker.BuildControllerResponse(this.Response, brokered);
return new HttpStatusCodeResult(Response.StatusCode);
}
}
This is the proxy class whic...
Is there more to an interface than having the correct methods
...e ones. I would expect a good answer to mention the ability to implement multiple interfaces, and when/why that would be useful.
– Rogério
Oct 13 '10 at 20:04
16
...
How do I 'overwrite', rather than 'merge', a branch on another branch in Git?
...cts like the (non-existent) merge -s theirs strategy.
You can find the resulting history in the plumbing branch of the demo repository
Not very readable and not as easy to remember compared to the -s ours switch, but it does the job. The resulting tree is again the same as branch B:
$ git rev-parse ...
Detect if a page has a vertical scrollbar?
....width() > $(window).width()) {
alert("Horizontal Scrollbar! D:<");
}
});
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