Some methods take a block, and this pattern frequently appears for a block: {|x| x.foo} and people would like to write that in a more concise way. In order to do that they use a combination of: a symbol, the method Symbol#to_proc, implicit class casting, and & operator. If you put & in front of … Read more
No, it is not impossible. Try including {% load staticfiles%} in the same html file, rather than attempting to inherit it from some base.html.
Polling like this is definitely the least preferred solution. I assume that you have another thread that will do something to make the condition true. There are several ways to synchronize threads. The easiest one in your case would be a notification via an Object: Main thread: synchronized(syncObject) { try { // Calling wait() will … Read more
For understanding more about magento block types following are some built-in block types which are widely used in layout. core/template: This block renders a template defined by its template attribute. The majority of blocks defined in the layout are of type or subtype of core/template. page/html: This is a subtype of core/template and defines the root block. All other blocks … Read more
Use display: table in your CSS code.
This seems to be working – (void)methodWithArg:(nonnull NSString *)arg1 andArg:(nullable NSString *)arg2 completionHandler:(nullable void (^) (NSArray * _Nullable results, NSError * _Nonnull error))completionHandler You need to specify nullability both for the block and its parameters… EDIT: For more information, see Swift Blog