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Redirect stdout to a file in Python?
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It doesn't work with from sys import stdout, maybe because it creates a local copy. Also you can use it with with, e.g. with open('file', 'w') as sys.stdout: functionThatPrints(). You can now implement functionThatPrints() using normal print stat...
How can you hide database output in Rails console?
In newer version of Rails, I'm guessing from 3 up, database queries are output to the console. This is useful most of the time, but how can you hide it when you do not want to see it?
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How to remove leading zeros from alphanumeric text?
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You can use the StringUtils class from Apache Commons Lang like this:
StringUtils.stripStart(yourString,"0");
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Can't install Ruby under Lion with RVM – GCC issues
...nt versions of XCode you need to install the command-line tools separately from the XCode menu -> Preferences -> Downloads -> Components. This is a pre-requisite for doing any compiling with XCode on the command-line, not just Ruby.
Note 2: If something doesn't work after following the ste...
How to pull request a wiki page on GitHub?
...lude a link to your repo and describe what you've changed.
Goto #2
(From How you can contribute to Taffy documentation.)
If it were me, I'd create an issue in the main repository (that is, the one you forked) suggesting an update to the wiki. If issues aren't enabled, then email's about the...
What is the difference between Normalize.css and Reset CSS?
...are actually made more robust) whereas they are visually indistinguishable from normal text after including reset.css. So, normalize.css does not impose a visual starting point (homogeny) upon you. This may not be to everyone's taste. The best thing to do is experiment with both and see which gels w...
Difference between Pig and Hive? Why have both? [closed]
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Check out this post from Alan Gates, Pig architect at Yahoo!, that compares when would use a SQL like Hive rather than Pig. He makes a very convincing case as to the usefulness of a procedural language like Pig (vs. declarative SQL) and its uti...
Maximum and Minimum values for ints
...mum value with -sys.maxint - 1 as shown here.
Python seamlessly switches from plain to long integers once you exceed this value. So most of the time, you won't need to know it.
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What is the difference between 'protected' and 'protected internal'?
...ess modifier is a union of both the "protected" and "internal" modifiers.
From MSDN, Access Modifiers (C# Programming Guide):
protected:
The type or member can be accessed only by code in the same class or
struct, or in a class that is derived from that class.
internal:
The type or mem...
Running Bash commands in Python
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Don't use os.system. It has been deprecated in favor of subprocess. From the docs: "This module intends to replace several older modules and functions: os.system, os.spawn".
Like in your case:
bashCommand = "cwm --rdf test.rdf --ntriples > test.nt"
import subprocess
process = subprocess....