2015年6月16日 · The function is called like saveAsFile('out.json', jsonString);.It will create a ByteStream immediately recognized by the browser that will download the generated file directly using the File API URL.createObjectURL.

2018年10月11日 · BLOB (Binary Large Object) is a large object data type in the database system. BLOB could store a large chunk of data, document types and even media files like audio or video files. BLOB fields allocate space only whenever the content in the field is utilized.

2015年3月15日 · I recently ran into the JavaScript Blob object, I used it to initialize a web worker where the code was contained within a script tag in the document. Based on the MDN documentation: A Blob object represents a file-like object of immutable, raw data. Blobs represent data that isn't necessarily in a JavaScript-native format.

I found blob:https://www.facebook.com/c7e5a634-2343-4464-a03e-4a1987301ca1 video source on Facebook's private group and I really can't download the video by entering ...

2018年4月22日 · A BLOB is a Binary Large Object which can hold anything you want including images and media files. Anything stored as a binary file. Anything stored as a binary file. A CLOB is a Charactor Large Object, which will hold charactors (text), Basically this makes it …

2020年6月28日 · A Blob object represents a file-like object of immutable, raw data. Blob represent data that isn't necessarily in a JavaScript-native format. The File interface is based on Blob, inheriting blob functionality and expanding it to support files on the user's system.

2012年8月9日 · This is a XY problem.A script obtains references to one or multiple files as these are dropped onto a page. You only need to create URLs for these in order to create links for these for the user to use (look at what they dragged, f.e.), but for including the file(s) with submission of a form, you need to add them one way or another -- whether gotten back from URLs or the …

2011年10月17日 · A "blob" is a common acronym for "Binary Large Object", which means it's an object holding a large amount of binary data. Some languages has native blob types, but C++ doesn't. Never the less, creating a blob is simple enough - you just create an array of bytes. In your example, this is done by creating an array of chars. This might be ...

2013年2月19日 · If I try to retrieve their src blob URL using an XMLHttpRequest, as described in this post, no content is returned. My guess is that either (a) they generated any empty Blob URL to use as a placeholder while feeding in data from another source or (b) the Blob somehow acts as a proxy for encrypted data (via HTML5 Encrypted Media Extensions).

2009年5月6日 · BLOB_FIELD ----- oracle.sql.BLOB@1c4ada9 So what kind of magic incantations can I do to turn the BLOB into it's textual representation? PS: I am just trying to look at the content of the BLOB from an SQL console (Eclipse Data Tools), not use it in code.