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What is Persistence Context?
I am new to the Java world and JPA. I was studying JPA and came across many new terms like Entity, persistence. While reading, I could not understand the exact definition for Persistence Context .
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What are the real-world strengths and weaknesses of the many frameworks based on backbone.js? [close
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@mor the question is What is the benefit of choosing one over the other? - this answer is Marionette [...] has a few very distinct goals and ideals in mind, which does not once compare itself to another framework. If the question was Please expla...
How do you deal with configuration files in source control?
Let's say you have a typical web app and with a file configuration.whatever. Every developer working on the project will have one version for their dev boxes, there will be a dev, prod and stage versions. How do you deal with this in source control? Not check in this file at all, check it with diffe...
How do I fix PyDev “Undefined variable from import” errors?
...an if False so that it doesn't execute (the static code-analysis only sees what you see, not runtime info -- if you opened that module yourself, you'd have no indication that main was expected).
To overcome this there are some choices:
If it is some external module, it's possible to add it to the...
git rebase without changing commit timestamps
...mitter timestamp to be the same as the original author timestamp, which is what the OP Olivier Verdier wanted.
I found the last commit with the correct date and did:
git rebase --committer-date-is-author-date SHA
See git am:
--committer-date-is-author-date
By default the command records the da...
What is the difference between google tag manager and google analytics?
...stics about your website, like how many people saw your website yesterday, what web browser they used, which pages were the most popular, etc. The only way it can know this stuff is if you put a "tag" on all of your pages. The tag is the javascript code on your pages that runs on the visitor's br...
How can I get all the request headers in Django?
I need to get all the Django request headers. From what i've read, Django simply dumps everything into the request.META variable along with a lot aof other data. What would be the best way to get all the headers that the client sent to my Django application?
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What is the best way to prevent session hijacking?
... the user of why they're being challenged
// for login again, etc.
}
What this does is capture 'contextual' information about the user's session, pieces of information which should not change during the life of a single session. A user isn't going to be at a computer in the US and in China at ...
What is the difference between Lisp-1 and Lisp-2?
...sp-1 dialects say tht Lisp-1 is more conductive to functional programming, what they mean is that you don't have to stuff the code full of funcall and function operators. These disappear in a Lisp-1.
– Kaz
Mar 10 '14 at 1:03
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Is it acceptable and safe to run pip install under sudo?
... myenv
.. some output ..
$ source myenv/bin/activate
(myenv) $ pip install what-i-want
You only use sudo or elevated permissions when you want to install stuff for the global, system-wide Python installation.
It is best to use a virtual environment which isolates packages for you. That way you c...