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Get all related Django model objects
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objects = getattr(a, link).all()
for object in objects:
# do something with related object instance
I spent a while trying to figure this out so I could implement a kind of "Observer Pattern" on
one of my models. Hope it's helpful.
Django 1.8+
Use _meta.get_fields(): https://doc...
iPhone app signing: A valid signing identity matching this profile could not be found in your keycha
I'm pulling my hair out over this. I just downloaded the iPhone 3.0 SDK , but now I can't get my provisioning profiles to work. Here is what I have tried:
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Get the value of an instance variable given its name
...capsulation.
If you explicitly want to access an ivar, the right thing to do is to make it an accessor. Consider the following:
class Computer
def new(cpus)
@cpus = cpus
end
end
In this case, if you did Computer.new, you would be forced to use instance_variable_get to get at @cpus. But i...
What is the best (idiomatic) way to check the type of a Python variable? [duplicate]
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Direct link to help page: docs.python.org/2.7/library/…
– Suraj
Jun 16 '15 at 8:03
5
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How to create a CPU spike with a bash command
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You can also do
dd if=/dev/zero of=/dev/null
To run more of those to put load on more cores, try to fork it:
fulload() { dd if=/dev/zero of=/dev/null | dd if=/dev/zero of=/dev/null | dd if=/dev/zero of=/dev/null | dd if=/dev/zero of=...
How to set Oracle's Java as the default Java in Ubuntu?
How do I change the value of JAVA_HOME in Ubuntu to point to Oracle's Java?
8 Answers
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Why is Git better than Subversion?
... Repository may be in a location you can't reach (in your company, and you don't have internet at the moment), you cannot commit. If you want to make a copy of your code, you have to literally copy/paste it.
With Git, you do not have this problem. Your local copy is a repository, and you can commit...
How do I remove a single file from the staging area (undo git add)?
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If I understand the question correctly, you simply want to "undo" the git add that was done for that file.
If you need to remove a single file from the staging area, use
git reset HEAD -- <file>
If you need to remove a whole directory (folder) from the staging area, use
git re...
'git add --patch' to include new files?
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To do this with every new files, you can run:
git add -N .
git add -p
If you want to use it frequently, you can create an alias in your ~/.bashrc:
alias gapan='git add --intent-to-add . && git add --patch'
N.B: I...
How I can I lazily read multiple JSON values from a file/stream in Python?
...time. Unfortunately json.load() just .read() s until end-of-file; there doesn't seem to be any way to use it to read a single object or to lazily iterate over the objects.
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