blob

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How can i generate a file and offer it for download in plain javascript?

I would like to generate a text file in the javascript dynamicly, then offer this for download. Currently I can get this working to a degree with either of the following solutions:[详细]

2023-03-09 10:06 分类：问答
Conversion of Blob to UIImage from a Sqlite Database

I saved an image using Coredata in my application. Then i imported the Sqlite file in another projec开发者_StackOverflowt and retrieved that Blob field and converted to NSData. Then i got a NULL value[详细]

2023-03-09 07:32 分类：问答
Model Object in GWT with Blob as an Attribute

I have a GWT application based on the MVP+App Controller Design. I also have a MySQL database as the back-end persistence storage.[详细]

2023-03-09 01:22 分类：问答
Emgu CV Blob Detection

I\'m using Emgu CV 2.1 and want to have a simple blob detection. I search for white blobs in a black image. Unfortunalty I can not fin开发者_运维问答d out how to do this! Do I need an additional libra[详细]

2023-03-09 00:22 分类：问答
collective.xsendfile, ZODB blobs and UNIX file permissions

I am currently trying to configure collective.xsendfile, Apache mod_xsendfile and Plone 4. Apparently the Apache process does not see blobstrage files on the file system because they contain permissi[详细]

2023-03-08 21:48 分类：问答
How do I use data stored in a Blob as a view?

We\'re currently doing a project that accepts user-provided html and has our own injected into it.This perfectly matches Play\'s abilities.However, I am at a loss as to how to use dynamic content as a[详细]

2023-03-08 19:44 分类：问答
304: The condition specified using HTTP conditional header(s) is not met

I\'m currently storing files within Azure Blob Storage and when I request the files I get an message in firebug of304 “The condition specified using HTTP conditional header(s) is not met” 开发者_如何[详细]

2023-03-08 13:01 分类：问答
What is the difference between the sql blob and image types

This question was actually posed to me this morning by one of my compadres, and it completely threw me, in so far as I didn\'t even realise SQL had an \'image\' datatype so I\'ve always simply gone do[详细]

2023-03-08 01:38 分类：问答
Detecting mime-type of a MySQL BLOB in Java

Yes I know that we shouldn\'t store images on a database, thanks. That开发者_开发问答 said, is there a way to detect in java the mime type of a BLOB stored in mysql?[详细]

2023-03-04 04:05 分类：问答
Error Uploading JPEG to MySQL

I am getting the error below when trying to upload an JPEG image to my MySQL database (Image is a BLOB):[详细]

2023-03-03 20:08 分类：问答