blob

问题 I am a newbie in video streaming and I just build a sample website which plays videos. Here i just give the video file location to the video tag in html5. I just noticed that in youtube the video tag contains the blob url and had a look into this. I found that the video data comes in segments and came across a term called pseudo streaming. Whereas it seems likes the website that i build downloads the whole file and plays the video. I am not trying to do any live streaming, just trying to

问题 I have a vue file like this, export default { data(){ return{ info: { name: '', image: '', }, errors: [] } }, created: function(){ this.getInfo(); }, methods: { getInfo: function(){ this.info.name = response.data.results[0].name; this.info.image = response.data.results[0].image; } } } I am passing data from this file into a child Vue component. The child component is as follows, <template> <div class="ui items"> <div class="item"> <div class="ui small image"> {{info.image}} </div> </div> <

问题 i have following problem: I have a web-application for signing pdf-files in the browser. A user can upload a pdf file which will be saved as blob-file in a sql-database. An other user can now digital sign the file. This works fine but I'm in trouble to send the signing data back to PHP to upgrade the blob file in the database with the siging data. So that the next user can sign the file another time. This is my way to store the file into the database (upload_system_va.php): $filedata = base64

问题 this.state.videoBlob is a blob object. I used URL.createObjectURL to generate a blob URL, and passed it to fs.createReadStream, like below: fs.createReadStream(URL.createObjectURL(this.state.videoBlob)) This blob url looks like: blobURL: blob:http://localhost:3000/dabe5cdd-00cc-408a-9f3d-b0ba5f2b10b3 But I got an error saying: TypeError: fs.createReadStream is not a function The problem won't exist if I passed some online video URL. So how can I read blob from fs.createReadStream ? Thanks!

问题 I have written below code to iterate through the Gen2 storage blob CloudStorageAccount sourceAccount = CloudStorageAccount.Parse(sourceConnection); CloudStorageAccount destAccount = CloudStorageAccount.Parse(destConnection); CloudBlobClient sourceClient = sourceAccount.CreateCloudBlobClient(); CloudBlobClient destClient = destAccount.CreateCloudBlobClient(); CloudBlobContainer sourceBlobContainer = sourceClient.GetContainerReference(sourceContainer); // Find all blobs that haven't changed

问题 I have written below code to iterate through the Gen2 storage blob CloudStorageAccount sourceAccount = CloudStorageAccount.Parse(sourceConnection); CloudStorageAccount destAccount = CloudStorageAccount.Parse(destConnection); CloudBlobClient sourceClient = sourceAccount.CreateCloudBlobClient(); CloudBlobClient destClient = destAccount.CreateCloudBlobClient(); CloudBlobContainer sourceBlobContainer = sourceClient.GetContainerReference(sourceContainer); // Find all blobs that haven't changed

问题 I want to write dataframe from pyspark to azure blob? Any suggestions or code how to do it? I have location and key of blob enter image description here 回答1: You could follow this tutorial to connector your spark dataframe with Azure Blob Storage. Set connection info: session.conf.set( "fs.azure.account.key.<storage-account-name>.blob.core.windows.net", "<your-storage-account-access-key>" ) Then write data into blob storage: sdf = session.write.parquet( "wasbs://<container-name>@<storage

问题 I want to write dataframe from pyspark to azure blob? Any suggestions or code how to do it? I have location and key of blob enter image description here 回答1: You could follow this tutorial to connector your spark dataframe with Azure Blob Storage. Set connection info: session.conf.set( "fs.azure.account.key.<storage-account-name>.blob.core.windows.net", "<your-storage-account-access-key>" ) Then write data into blob storage: sdf = session.write.parquet( "wasbs://<container-name>@<storage

问题 I have a React Native (0.59) app which consumes an (Swagger-generated) SDK that accepts Blob objects for file uploads. While there are sources on creating blobs from remote resources (e.g. using fetch), I couldn't find any resource on creating a blob on the fly. For example I have a string (regular JS string), and I need to upload that string as a text file to the server. I'll also have other file references from the file system where I'll also need to upload too. How do I create Blob from

问题 I have a React Native (0.59) app which consumes an (Swagger-generated) SDK that accepts Blob objects for file uploads. While there are sources on creating blobs from remote resources (e.g. using fetch), I couldn't find any resource on creating a blob on the fly. For example I have a string (regular JS string), and I need to upload that string as a text file to the server. I'll also have other file references from the file system where I'll also need to upload too. How do I create Blob from