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How to use subprocess popen Python
...p/filename.swf', '-d'], stdout=PIPE, stderr=PIPE)
stdout, stderr = process.communicate()
There's even a section of the documentation devoted to helping users migrate from os.popen to subprocess.
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sqlalchemy IS NOT NULL select
...the IS NOT operator.
Normally, IS NOT is generated automatically when comparing to a value of None, which resolves to NULL. However, explicit usage of IS NOT may be desirable if comparing to boolean values on certain platforms.
Demo:
>>> from sqlalchemy.sql import column
>>>...
What is the difference between javac and the Eclipse compiler?
Is Eclipse's Java compiler just a wrapper around the same core that the javac program is wrapped around, or is it a separate compiler altogether? If the latter, why would they reinvent the wheel?
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MySQL 'create schema' and 'create database' - Is there any difference
...erstanding what (if any) differences there are between the create schema command and the create database command for MySQL.
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Suppress echo of command invocation in makefile?
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Add @ to the beginning of command to tell gmake not to print the command being executed. Like this:
run:
@java myprogram
As Oli suggested, this is a feature of Make and not of Bash.
On the other hand, Bash will never echo commands being execu...
How do I use Nant/Ant naming patterns?
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How do I find a specific table in my EDMX model quickly?
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Really time saving for complex entity model
– Ravinder Singh Bhanwar
Feb 7 '17 at 11:15
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Django connection to PostgreSQL: “Peer authentication failed”
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Documentation ( docs.djangoproject.com/en/1.6/ref/settings/#host ) lies: "HOST [...] An empty string means localhost". This is not true, I had the same problem and I fixed it writing 'localhost'. Thank you for the tip.
– Marco Sulla
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What is “function*” in JavaScript?
...is experimentally implementing proposed language changes to help steer the committee. Dave works closely with Brendan Eich, Mozilla's CTO (I think), and the original JavaScript designer.
You can find more detail on the EcmaScript working group wiki: http://wiki.ecmascript.org/doku.php?id=harmony:gen...
What is the difference between Class and Klass in ruby?
..."chop!"...
You could use any (non-reserved) variable name there, but the community has taken to using klass. It doesn't have any special magic - it just means "I wanted to use the name 'class' here, but I can't, since it's a reserved keyword".
On a side note, since you've typed it out wrong a few...