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Django: Get model from string?
...or a different purpose, and require you to create an AppConfig instance in order to call get_model().
– zlovelady
Nov 24 '17 at 4:51
...
Databinding an enum property to a ComboBox in WPF
...r model - the enumeration type - in the view, in the ItemsSource param. In order to keep the view and the model decoupled I would need to create a copy of the enumeration in the ViewModel and code ViewModel to translate between the two... Which would make the solution not that simple any more. Or is...
What are the primary differences between Haskell and F#? [closed]
...apply code transformations more freely when it isn't bound to preserve the order of (unknown) side effects. In "encouraged purity" languages you write mostly similar code so the same optimizations would be applicable, only they might invalidate side effects (which aren't there, but the compiler can'...
How do you add CSS with Javascript?
...nce solution your newly added CSS might be overwritten by the second/third/etc. stylesheet on the page. Using document.body.appendChild(css); you make sure the new CSS always is the last rule.
– AvL
Aug 2 '16 at 14:33
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Private vs Protected - Visibility Good-Practice Concern [closed]
...d VCS/dependency mgmt. became hyper collaborative thanks to Github, Maven, etc. Back then there was also money to be made by constraining the way(s) in which a library could be utilized. I spent probably the first 8 or 9 years of my career strictly adhering to this "best practice".
Today, I believ...
解决:error while loading shared libraries: libpcre.so.1: cannot open ...
...件的位置(可以使用命令 whereis xxx ),并把目录添加到/etc/ld.so.conf.d/libc.conf中,没有则新建这个文件。然后再运行ldconfig才可以生效。
解决:用以下shell命令解决:(用root用户)
echo "/usr/local/lib" >> /etc/ld.so.conf.d/libc.conf
sudo...
What is the default value for enum variable?
...
I think it's quite dangerous to rely on the order of the values in a enum and to assume that the first is always the default. This would be good practice if you are concerned about protecting the default value.
enum E
{
Foo = 0, Bar, Baz, Quux
}
Otherwise, all i...
Should I pass a shared_ptr by reference? [duplicate]
...t. Let us define a shared pointer type SF = std::shared_ptr<Foo>. In order to consider references, rather than passing function arguments let us look at the type RSF = std::reference_wrapper<T>. That is, if we have a shared pointer SF p(std::make_shared<Foo>());, then we can make a...
Best way to convert an ArrayList to a string
... want to output completely as a String. Essentially I want to output it in order using the toString of each element separated by tabs. Is there any fast way to do this? You could loop through it (or remove each element) and concatenate it to a String but I think this will be very slow.
...
How do I set the proxy to be used by the JVM
...erty!
-Dhttp.nonProxyHosts="localhost|127.0.0.1|10.*.*.*|*.foo.com|etc"
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