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How to express a One-To-Many relationship in Django
... for you :-). We only need to define foreignKey in related table. In other words, we only need to define ManyToOne relation by using foreignKey.
class Car(models.Model):
// wheels = models.oneToMany() to get wheels of this car [**it is not required to define**].
class Wheel(models.Model):
...
How to print a int64_t type in C
... @KeithThompson Well I'm thankful you at least put a stress on the word 'quite'. Well actually it doesn't matter. I don't see why the macros have to be there though. As you say you can portably ... Etc. But then I also find that the increase in the number of keywords has got out of hand too....
Standardize data columns in R
...ng f(g(x)) it would look nicer if one writes x %>% g %>% f. In other words, dat %>% mutate_each_(funs(scale),vars=c("y","z")) is just mutate_each_(dat,funs(scale),vars=c("y","z")). The operator helps a lot when a chain is very long since f(g(h(i(j(x))))) can be very hard to read.
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How to clone git repository with specific revision/changeset?
...lone only one revision. I just want to specify the limit of cloning. Other words, I want to clone everything up to the specified revision.
– John
Aug 15 '10 at 20:53
6
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Is the C# static constructor thread safe?
In other words, is this Singleton implementation thread safe:
10 Answers
10
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ListView item background via custom selector
...his was intended to be meant by "background color". completely accept your words.
– cV2
Jul 11 '14 at 11:10
I got here...
Is it possible dynamically to add String to String.xml in Android?
...s useful when internationalizing an app for languages that use a different word order.
You can use a format specifier like %1$s multiple times in the xml if you want to repeat it.
Use %% to get the actual % character.
For more details read the following helpful tutorial: Android SDK Quick Tip: Forma...
Abstract Class vs Interface in C++ [duplicate]
...t with Visual C++ version X and use it with Visual C++ version Y.
In other words, with interfaces you have high decoupling between client code and server code.
Moreover, when you want to build DLL's with a C++ object-oriented interface (instead of pure C DLL's), as described in this article, it's b...
Reset CSS display property to default value
...operty to its browser default. However there are plans to reintroduce a keyword for this in Cascading and Inheritance level 4 — the working group simply hasn't settled on a name for this keyword yet (the link currently says revert, but it is not final). Information about browser support for revert...
What is the difference between libsqlite3.dylib and libsqlite3.0.dylib?
... libsqlite3.dylib itself is a link it points libsqlite3.0.dylib.
In other words, in the project if you add libsqlite3.dylib and add libsqlite3.0.dylib to actually add the same file, there is no difference, then why you want to add libsqlite3.dylib?
The because libsqlite3.dylib always points to the...