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Circular list iterator in Python
...ich BTW also works just fine on Python 2.x, and therefore is the canonical form that should be used). See Is generator.next() visible in python 3.0? for a more in-depth explanation. Updated my answer accordingly.
– Lukas Graf
Aug 21 '15 at 18:54
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Is there a use-case for singletons with database access in PHP?
...bad and how you can eliminate them from your applications for additional information.
Even Erich Gamma, one of the Singleton pattern's inventors, doubts this pattern nowadays:
"I'm in favor of dropping Singleton. Its use is almost always a design smell"
Further reading
How is testing the re...
symbol(s) not found for architecture i386
...d, when I removed one of them I had this error, because it also removed it form the the "Link Binary With Libraries" list.
I added back and the problem disappeared (and I still have two frameworks listed)
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How to “inverse match” with regex?
...his is called a tempered greedy token. The downside is that it doesn't perform well.
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How can I move a tag on a git branch to a different commit?
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I'll leave here just another form of this command that suited my needs.
There was a tag v0.0.1.2 that I wanted to move.
$ git tag -f v0.0.1.2 63eff6a
Updated tag 'v0.0.1.2' (was 8078562)
And then:
$ git push --tags --force
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LINQ query on a DataTable
I'm trying to perform a LINQ query on a DataTable object and bizarrely I am finding that performing such queries on DataTables is not straightforward. For example:
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How to process each line received as a result of grep command
...n, it is explained in the bash hackers page:
Process substitution is a form of redirection where the input or
output of a process (some sequence of commands) appear as a temporary
file.
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How to run eclipse in clean mode? what happens if we do so?
...options: http://help.eclipse.org/indigo/index.jsp?topic=%2Forg.eclipse.platform.doc.isv%2Freference%2Fmisc%2Fruntime-options.html
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How to send PUT, DELETE HTTP request in HttpURLConnection?
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To perform an HTTP PUT:
URL url = new URL("http://www.example.com/resource");
HttpURLConnection httpCon = (HttpURLConnection) url.openConnection();
httpCon.setDoOutput(true);
httpCon.setRequestMethod("PUT");
OutputStreamWriter out...
How do I read from parameters.yml in a controller in symfony2?
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dir: '%kernel.project_dir%'
It works for me in both controller and form classes. More details can be found in the Symfony blog.
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