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Why and How to avoid Event Handler memory leaks?
...andler and the possible leak. However, in my experience this is rarely actually a problem - because typically I find that the publisher and subscriber have roughly equal lifetimes anyway.
It is a possible cause... but in my experience it's rather over-hyped. Your mileage may vary, of course... you ...
Why did Rails4 drop support for “assets” group in the Gemfile
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Wasn't it also saving memory? Now all gems, even those not needed in "production" (only in precompile), are loaded and thus rails consumes more memory?
– gucki
Sep 12 '13 at 9:35
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Attempt to set a non-property-list object as an NSUserDefaults
...ray to any method that expects an NSArray. Keep in mind that the array actually stored in NSUserDefaults will be immutable when you read it back.
– rmaddy
Nov 1 '13 at 4:42
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setState vs replaceState in React.js
...ows out the current state, and replaces it with only what you provide. Usually setState is used unless you really need to remove keys for some reason; but setting them to false/null is usually a more explicit tactic.
While it's possible it could change; replaceState currently uses the object passe...
Allow CORS REST request to a Express/Node.js application on Heroku
...de on a clean ExpressJS app and it works just fine.
Try move your app.use(allowCrossDomain) to the top of configure function.
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How to delete multiple values from a vector?
...ude it for the sake of readability.
This is, btw., what setdiff does internally (but without the unique to throw away duplicates in a which are not in remove).
If remove contains incomparables, you'll have to check for them individually, e.g.
if (any (is.na (remove)))
a <- a [! is.na (a)]
(...
Django using get_user_model vs settings.AUTH_USER_MODEL
...s.AUTH_USER_MODEL will delay the retrieval of the actual model class until all apps are loaded. get_user_model will attempt to retrieve the model class at the moment your app is imported the first time.
get_user_model cannot guarantee that the User model is already loaded into the app cache. It mi...
Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?
...cross-use" %lf with float or %f with double.
But there's no reason to actually do it in practice. Don't use %f to printf arguments of type double. It is a widespread habit born back in C89/90 times, but it is a bad habit. Use %lf in printf for double and keep %f reserved for float arguments.
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Is there a way to quickly capitalize the variable name in Eclipse
...haracters, and that is hard to get right.
If you look at these, they are all either unlikely to be needed much, or too hard to do properly. Hence, it doesn't surprise me that they are not supported by the standard Eclipse codebase.
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AngularJS ng-if with multiple conditions
... If I have 20 input fields and I have to enable submit button only if all fields are filled. In this case, I have to include so many conditions. This is little bit confusing. Is there any other feasible solution?
– Mr_Perfect
Dec 2 '16 at 5:14
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