recording | 实现html5 录音 | Crawler library
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实现html5 录音
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QUESTION
Although I am very rusty on my VBA, I have saved sheets to new workbooks many times before. This code is failing with the error code "Method 'SaveAs' of object '_Workbook' failed"
...ANSWER
Answered 2021-Jun-15 at 13:29I had the exact same issue this morning in my own code. ActiveWorkbook for some reason did not yield an object and stayed empty. I got arround the problem by specificing the workbook manually.
Try this:
QUESTION
ANSWER
Answered 2021-Jun-14 at 19:20Try with this styling
QUESTION
I'm hoping that I can attach a recording of my simulator to this request. I have a list of items that I create a NavigationLink for that call a child view with different data based on a value passed in. The child view is a large horizontal scroll view with pages that support months of the year. DragGesture controls the positioning of the horizontal scroll.
When I transition from the List to the child view it appears almost like it is swooping in from the right and when it transitions back to the parent list view you can see visual from both views appear briefly during the transition.
I believe it has something to do with the GeometryReader and Horizontal Scroll view, but can't figure out how to stabilize it...
The list view is:
...ANSWER
Answered 2021-Jun-14 at 16:02Currently you are using a custom horizontal carousel view(or custom PageTabView etc.), but using TabView with PageTabViewStyle() is easier, unless you want a special animation.
QUESTION
The client wants all communication with the database to be done through stored procedures. To do this in ASP I am using FromSqlRaw like so:
...ANSWER
Answered 2021-Jun-09 at 15:34You could alternatively use:
QUESTION
Agora is not capturing the video stream in custom layout when uid passed. It skip that stream in which uid is passed.
here is the sample layout for three video stream I am using, it only capture two video stream in which uid is not present.
The uid I am passing is as per documentation in cloud recording which is 32 bit integer. The uid is manually generated not generated by Agora.
laout for first 15 seconds
...ANSWER
Answered 2021-Mar-31 at 10:55Agora cloud recording with custom layout and custom generated uid's are not working. One need to use agora generated uid's to record in custom layout in cloud recording.
QUESTION
I've installed PyAudio and it's working exactly as I want it to, both for playing and recording audio. However, every time I initialise a PyAudio
object, it barfs a whole bunch of warnings and error into STDERR and it's making it difficult to sort through my own application's logs. Here's a sample out of an ipython session:
ANSWER
Answered 2021-Jun-13 at 20:51The problem was that PyAudio loads a bunch of non-Python stuff whenever it's envoked, and it's that's stuff that's printing to STDOUT
so it has to be silenced directly. The cleanest way to do this is to wrap it in a context manager that silences STDOUT
for the shortest amount of time possible:
QUESTION
What stages can be set for srcStageMask/dstStageMask
when submitting a vkCmdPipelineBarrier
out of a renderpass, because in such case there is no subpass bind point to graphics pipeline?
The same question for when submitting vkCmdPipelineBarrier
in subpass that has a bind point to a compute pipeline which I guess doesn't have stages like VK_PIPELINE_STAGE_VERTEX_SHADER_BIT and maybe many more.
Thanks
Edit
First, thanks to @Nicol Bolas comment, a compute shader can not be dispatched in middle of subpass.
And I would like to clarify my question:
Say I have an image that after a renderpass will have the layout of VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL.
After the renderpass, I want to update the image with new data and wish to change its layout to VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL.
Thus, after recording vkCmdEndRenderPass I record a vkCmdPipelineBarrier command as follows:
...ANSWER
Answered 2021-Jun-13 at 11:14Just 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.
QUESTION
I need help.
I created a small mobile application with Kivy.
I have two screens: ScreenList and ScreenDetail.
However the screen(ScreenList) containing GridLayout does not refresh
ScreenList: contains a list of items
ScreenDetail: Contains the details of a single item.
How the app works:
- When I click on the first item on button 1
- I go to the details of the item.
- I modify the second field. I replace the text:
Firt element
forFirst and update data
- After recording, I redirect the application to the screens which contain (ScreenList) the list of elements.
- But the list of elements remains unchanged then the data has been modified in the database. 6.And when I return to the screen (ScreenDetail) which contains the details, there I see that the data is updated.
How can I refresh the item list in ScreenList?
Here are the pictures as an example
List before update
before update
after update
List after update
Here is the python code:
...ANSWER
Answered 2021-Jun-13 at 06:24When you're trying to share data in between screens, it's often useful to use
app
methods instead of specific methods of screens.And when you need to create lots of buttons, maybe inside a loop, and bind methods on its events(
on_press
,on_release
), it's often bad to create button instances on the fly and bind methods on its events because you'll need to do extra work to make sure that those bound methods are called with right parameters when events are fired. Rather create a custom class template and use that instead.
Created custom GridLayout:
QUESTION
I have Zookeeper and Apache Kafka servers running on my Windows computer. The problem is with a Spring Boot application: it reads the same messages from Kafka whenever I start it. It means the offset is not being saved. How do I fix it?
Versions are: kafka_2.12-2.4.0
, Spring Boot 2.5.0
.
In Kafka listener bean, I have
...ANSWER
Answered 2021-Jun-10 at 15:19Your issue is here enable.auto.commit = false
. If you are not manually committing offset after consuming messages, You should configure this to true
If this is set to false, after consuming messages from Kafka, there is no feedback to Kafka whether you read or not. Then after you restart your consumer it will send messages from the start. If you enable this, your consumer make sure it will automatically send your last read offset to Kafka. Then Kafka saved that offset in __consumer_offsets topic with your consumer group_id
, topic
you consumed and partition
.
Then after you restart the consumer, Kafka read your last position from __consumer_offsets
topic and send from there.
QUESTION
I am trying to figure out something. I have a picture in my Excel file. Whenever I click on it I want it to become grayscale so I use the following vba code:
...ANSWER
Answered 2021-Jun-10 at 17:19You don't need to set a different effect, you have to remove it with Delete
from the list of PictureEffects that are assigned to the picture. The following Sub shows how to toggle it (if it is present, it is removed, else applied)
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