Questions tagged as 'blob'

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How to get an image from an api rest using HttpClient in angular 4

I have the following service in my angular application: getProviderPhoto(id:string){ return this.http.get(this.apiUrl+"/"+id+"/images", {responseType: "blob"}); } And I need to convert the response of this service, which in this case...
asked by 15.05.2018 / 23:33
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Where are the phpmyadmin BLOB files stored?

I'm doing a program where I send images from any device to my computer's database on phpmyadmin, and it shows me the images in the browser. I am using the type longblob for the images and the images are saved in .bin format....
asked by 22.05.2017 / 03:04
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How can I download all the files in the array?

I have the following arrangement: foreach (string Id in Arguments.SelectedValues) { string temp = @"http://localhost:17277/blob.ashx?Pdf=o|" + Id; Result.NavigateUrl = @"http://localhost:17277/blob.ashx?Pdf=o|" + Id; } in which I...
asked by 12.08.2016 / 18:56
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Read MySQL blob field and convert to JSON for android webservice

I am creating a webservice for Android, in which I have to read a blob field from a MySQL database. The problem is that I can not encode that field to JSON, which is the format I will need later to read the Android webservice. Let's see if an...
asked by 10.12.2018 / 16:42
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Error executing script using BLOB SQL

I have the following script that does what it does: it takes out the contents of a word, and puts it in a blob. But when I run it, I get these errors.    -ORA22275 - > LOB locator not valid -ORA06512 - > Line 29   (DBMS_LOB.fileopen (l...
asked by 08.09.2017 / 10:47
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Show image BLOB type of MySQL in a JSP?

I have this code but it does not show me anything, as I can do to show the images I have in my database on a jsp page. mostrar.jsp: <%@ page import="java.sql.*" %> <%@ page import='java.io.InputStream' %> <%@ page im...
asked by 08.12.2016 / 03:47
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Insert image in Field blob mysql python 2.7

I want to insert an image in a blob field of a mysql database with python 2.7 (MySQLdb) but it does not work, it does not show any specific error, it just does not insert the value, the table and the product exist, my code is as follows : #!/u...
asked by 15.08.2018 / 22:29
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Pass type BLOB in trigger

I have a trigger where based on the current status of a column, I make an insert in another table. Everything seems to work correctly, except the passage of the data of an attribute that is BLOB. This attribute is passed NULL. I have this pro...
asked by 16.07.2018 / 18:22
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Table with BLOB value to json

I'm working with Flask, SQLALchemy and sqlite ... I have several tables which I can return completely in JSON format using: enemies = enemyService.getAll() return jsonify(json_list=[i.serialize for i in enemies]) Now, in this case the table...
asked by 22.05.2018 / 00:28
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How to use a blob file for a procedure?

I am working in Genexus 15, with the generator in .net. I have a transaction that contains a structure like this: ID NOMBRE CAMPO1 CAMPO2 BLOB (tipo pdf) I want to use the blob field, as input to a transaction, which takes a pdf adds a wate...
asked by 14.05.2018 / 13:13