endless | Stack overflow freedom | Theme library

I made a quick code example that looks like your screenshot:

In the following example code, which you can also run in DartPad, a new item is added to the list every two seconds. The ScrollController is then used to scroll to the end of the list within one second.

The timer is only used to continuously add random items to the list, you could, of course, listen to a stream (or similar) instead.

You can use the concept of Common class. Just make a Class named common:

You try to assign the repeating image pattern to the whole page body - which is why it continues forever. What you should do instead, is to create two DIVs (optionally wrapped inside a third, outer DIV), one for your text, one for the image, and make the CSS applicable only to the one with image. See this CodePen for an example code:

Just inspect the Valid Usage.

All of them are permitted, except those that have its feature disabled on whole device (e.g. geometry shader), or those the queue family does not support.

For subpass dependencies, only those supported by pipelineBindPoint pipeline (i.e. currently just graphics) are allowed.

I think the main problem that makes you deeply confused is that you think pipeline is a finite state machine. But pipeline is not a FSM, it is a pipeline (as the name suggests). It always exists (as do all its stages), even if nothing currently flows through the pipeline.

Specifically, in english your barrier simply says: "Before any commands recorded after me start copying into this image, make sure all commands recorded before me finished reading this image as texture."

When stages "exist" is not a valid question (as explained above); existence and non-existence is not really a property they have. And as you see in the semantics of the barrier, it would not even matter to change its meaning.

Some stages are forbidden by the valid usage, but that is more to reduce confusion than anything. Even if they weren't forbidden, it would change nothing. The barriers with such stages would simply be no-op, or would translate to logically-earlier or later stage.

This is called cyclic require in Node.js. When there are circular require() calls, a module might not have finished executing when it is returned.

Consider this situation:

a.js:

Use can use .once() to listen for only the next occurrence of an event, so

The 50+ objects you see in the drop down are just all the TokenData objects in the DB listed by the name.

From what i can understand what you want is all the TokenData associated with a particular WalletData address, if so then for a WalletData object w you can do

TokenData.objects.filter(contact_address = w.contact_address).values_list('name',flat=True)

This gives you all the TokenData name associated to a WalletData address.

As the comments suggest, you need to stop thinking that C++ is similar to Java, it really isn't.

Objects in C++ have explicit lifetimes, and the language doesn't stop you from holding onto a reference or pointer to an object after it has ceased to exist.

If you want something to outlive the call it was created in, it needs to be dynamically allocated, and something should track it's lifetime. The default is std::unique_ptr, which deletes what it points to when the pointer is destroyed. You can transfer ownership by moving the unique_ptr.

Unfortunately, you can't usefully have a std::priority_queue of std::unique_ptr as you can't move the top, and pop doesn't return the value. Otherwise I would suggest using that rather than re-implementing it.

I don't think you have to sort your nodes each loop, as the merged node will always have the greatest frequency, so they go at the back.