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What's the difference between django OneToOneField and ForeignKey?
...the name of the reporter.
In [8]: A1.reporter.first_name
Out[8]: 'Rick'
Now create the Reporter object R2 by running the following python code.
In [9]: R2 = Reporter.objects.create(first_name='Harry')
In [10]: R2.save()
Now try to add R2 to the Article object A1.
In [13]: A1.reporter.add(R2)...
When to use LinkedList over ArrayList in Java?
...if you add a lot of elements. To avoid the high cost of resizing when you know you're going to add a lot of elements, construct the ArrayList with a higher initial capacity.
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Unix - copy contents of one directory to another [closed]
And now Folder2/ looks like:
3 Answers
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Convert string to number and add one
...menter on a second line to be more compact.
– Chris Snowden
Oct 6 '11 at 13:04
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Bootstrap 3 Navbar with Logo
... Thanks Jose. It doesn't work in IE which I never knew until now. I edited the answer from your comment. Also, I'm not really sure if height and max-height are both necessary.
– Bryan Willis
Oct 2 '15 at 18:58
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Volatile vs. Interlocked vs. lock
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+1 for ensuring me to forget about lock-free coding from now.
– Xaqron
Jan 3 '11 at 1:51
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How to count the number of set bits in a 32-bit integer?
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This is known as the 'Hamming Weight', 'popcount' or 'sideways addition'.
The 'best' algorithm really depends on which CPU you are on and what your usage pattern is.
Some CPUs have a single built-in instruction to do it and others hav...
Architecture for merging multiple user accounts together
...I don't care about the user's email, name, or birth date - I just want to know they're the person who has been logging into this account all along.)
The third-party identities contain information relevant only to authenticating with a third-party. For OAuth, this typically means a user identifier ...
How to import multiple .csv files at once?
...mp<-list.files(pattern="*.csv") ddives <- lapply(temp, read.csv) So now each file is called ddives[n] but how would I go about writing a loop to make them all data frames rather than single objects? I can achieve this individually using the data.frame operator but am unsure as to how to loop ...
Why doesn't C++ have a garbage collector?
...age collection first of all. My main reason for asking this is that I do know that Bjarne Stroustrup has said that C++ will have a garbage collector at some point in time.
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