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Extending the User model with custom fields in Django
What's the best way to extend the User model (bundled with Django's authentication app) with custom fields? I would also possibly like to use the email as the username (for authentication purposes).
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How to calculate the CPU usage of a process by PID in Linux from C?
I want to programmatically [in C] calculate CPU usage % for a given process ID in Linux.
12 Answers
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What is the difference between 'typedef' and 'using' in C++11?
I know that in C++11 we can now use using to write type alias, like typedef s:
7 Answers
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Tools to generate database tables diagram with Postgresql? [closed]
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I love schemaspy for schema visualisations. Look at the sample output they provide, and drool. Note the tabs!
You'll need to download the JDBC driver here, then your command should look something like:
java -jar schemaspy-6.0.0-rc2.jar -t pgsql -db datab...
Delete files older than 10 days using shell script in Unix [duplicate]
...l scripts, can anyone help? I want to delete scripts in a folder from the current date back to 10 days.
The scripts looks like:
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Python “SyntaxError: Non-ASCII character '\xe2' in file”
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You've got a stray byte floating around. You can find it by running
with open("x.py") as fp:
for i, line in enumerate(fp):
if "\xe2" in line:
print i, repr(line)
where you should replace "x.py" by th...
Permission denied on accessing host directory in Docker
In short: I am trying to mount a host directory in Docker, but then I can not access it from within the container, even if the access permissions look good.
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MPICH vs OpenMPI
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Purpose
First, it is important to recognize how MPICH and Open-MPI are different, i.e. that they are designed to meet different needs. MPICH is supposed to be high-quality reference implementation of the latest MPI standard ...
How to use php serialize() and unserialize()
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A PHP array or object or other complex data structure cannot be transported or stored or otherwise used outside of a running PHP script. If you want to persist such a complex data structure beyond a single run of a script, you need to serialize it. That just means to put ...
PostgreSQL: Drop PostgreSQL database through command line [closed]
I'm trying to drop my database and create a new one through the command line.
4 Answers
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