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Circular (or cyclic) imports in Python
...t line.
If a module is not in sys.modules, then an import creates the new module
entry in sys.modules and then executes the code in the module. It does not
return control to the calling module until the execution has completed.
If a module does exist in sys.modules then an import simpl...
React.js: Identifying different inputs with one onChange handler
... Just a quick reminder that this.handleChange.bind(...) creates a new function. In case you're using shouldComponentUpdate with PureRenderMixin or something similar it will break. All of your input components will be rerendered when a single value changes.
– zemirco
...
How do I enable EF migrations for multiple contexts to separate databases?
...at work well for me.
If Migrations are messed up and you want to create a new "baseline":
Delete any existing .cs files in the Migrations folder
In SSMS, delete the __MigrationHistory system table.
Creating the initial migration:
In Package Manager Console:
Enable-Migrations -EnableAutomatic...
What is Clojure useful for? [closed]
...
@dnolen Thanks for taking the time to reply. I am a new clojure enthusiast and it takes like 20 secs when I try to run the jar file I create with lein uberjar. I am on OS X, Macbook with core i5 and 16GB RAM. Do you use any special optimizations?
– masnu...
How to echo or print an array in PHP?
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@Robin <pre> tag displays new lines and tabulation as it's outputed by print_r(); without <pre> you would see a messy unformatted bounds of data. To see it formatted you should then view the html page source.
– j.c
...
Multiple models in a view
...ing:
public PartialViewResult Login( )
{
return PartialView( "Login", new LoginViewModel() );
}
public PartialViewResult Register( )
{
return PartialView( "Register", new RegisterViewModel() );
}
The Login & Register would then be user controls residing in either the current View fol...
How to watch for array changes?
...wn observable array. This particular implementation copies an array into a new array-like object and provides custom push(), pop(), shift(), unshift(), slice(), and splice() methods as well as custom index accessors (provided that the array size is only modified via one of the aforementioned methods...
How to implement one-to-one, one-to-many and many-to-many relationships while designing tables?
... both foreign keys StudentID and ClassID are unique, what stops creating a new row with the same StudentID and ClassID ? as they are not unique in the code above. So you either implement it like the code above, or add a primary key that includes both StudentID and ClassID to avoid repetition of crea...
How to convert all text to lowercase in Vim
...
answered Jul 9 '09 at 9:51
zoulzoul
93.8k4141 gold badges236236 silver badges338338 bronze badges
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Comparing mongoose _id and strings
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@Zlatko i'm not a big fan of the new syntax but to each his own.
– r3wt
Jun 10 '16 at 4:09
2
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