Most voted "blob" questions
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7
votes2
answers1889
viewsMethods of image storage
I am studying what is the best way to store some images of users that are registered in my system. I found 3 ways to solve this problem: Save to local directory, Save as BLOB and Save as Base64. I…
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answers1602
viewsDisplay "longblob" field content containing PDF file
I have a question about the data longblob which are stored in the Database. I currently have so for the other data: echo "<tr><td>Email:</td>"; echo "<td>"; if…
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answer3433
viewsSlideshow with Mysql BLOB Images
I am mounting an image manager and I need to display these images on a TV, through the browser by a slideshow. I can assemble a slide show setting each image address, but I have several images in…
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votes3
answers1657
viewsConvert string to blob and save to bank
I’m developing a mobile application that has a form where the user can attach an image, the image is being sent as string via Rest to the server and will be saved in the blob database, however, I’m…
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3
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answers5427
viewsHow to extract blob files in Firebird?
I have in a table a field of type BLOB(BLOB SUB_TYPE 0 SEGMENT SIZE 80) where I store some binary files. I need to extract all the files stored in that table. Through Ibexpert in the "Data/Form…
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3
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answers379
viewsHow many images can I save to a mysql blob field?
I can record multiple images in one field blob? Or I’ll have to create several fields? Imagem1, Imagem2 etc.... ? I wanted to know if there is any way to do this without having to create several…
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answer2380
viewsExtract data from a BLOB field in Mysql
I have a select where there is a column where this returning me in <BLOB> QUERY SELECT * FROM user WHERE user_id=1 RETURN: id data_cad user_data 12 2017-03-01 21:38:57 <Blob> In the BLOB…
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answers195
viewsPHP with PDO returning BLOB records with foreach
Good afternoon guys, I’m new here (first question), but Stack has already helped me in several situations. That’s the problem: I am developing an application and on a given page there is a user…
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3
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answer82
viewsIs it possible to place an HMTL file within the data set?
It is possible to save an HTML file in a column BLOB inside the database and then display as part of the page in PHP? Why do this: it’s more of a learning experiment to compare whether it looks…
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answer603
viewsHow to upload using PHP image in link BLOB?
I’m using a Github (xkeshi/image-compressor) project that compresses images using Javascript. It generates a download of the compressed file with the following link for example…
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2
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answer119
viewsC# Threads How to optimize a SELECT with BLOB
I have an application in C# (.Net 4.5) that when loading a screen among other operations it looks for a background image and sounds in the database. It happens that for some screens loaded this…
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answer386
viewsI am unable to open a byte array extracted from the database!
Language: C#/ASP.NET Database: Postgreesql Component used for file upload: Fileupload Below is the component: Below is the method to perform the insertion to a table in the database that only has…
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answer2822
viewsHow do I turn a BLOB-type file into an image using PHP?
I need to transform a BLOB file that comes from a MYSQL database to the Image type, to use on my site, I need to do the conversion using PHP, when I use the image in BLOB format, it goes to the…
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answer1079
viewsSave File with Extension
I would like to recover a file of the type blob, and to add the extension, without the user having to type this extension when recovering. The way it is, I’m saving and also recovering, but…
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answer41
viewsWhat is the right way to consume Blobs via JAVASCRIPTS, HTML5, etc?
I am using Google App Engine BLOBSTORE. I already have some images saved on the server now I would like to consume them via browser (HTML5, JAVASCRIPT etc...) It turns out that I have only the link…
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answer2791
viewsCLOB for string and vice versa
I’m developing a web server where I have to store images in String of Base64 exchanged for desktop, mobile and website to the database of the Oracle, but I’ve done a lot of research and seen some…
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2
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answers725
viewsLoad BLOB to Image C# Mysql
I am trying to load an image saved in Mysql, however still unsuccessful. With the code below I can display all other fields. Every time I try to add some method to display the image, some error…
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answer24
viewsAngularjs download file from ASP.MVC5 passing parameters
Situation: I have an ASP MVC5 API that generates an excel.xlsx and returns it in a Filecontentresult. All in memory, because I can’t save the file to the server disk.It works ok if I access the url…
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answers109
viewsHow to convert "arraybuffer" to "string" and vice versa?
I am making a mobile app in HTML5 and need to store data from MP3 files and bitmap images in Torage localStorage. The problem is that only to store String then I need to convert a buffer in String…
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answers2414
viewsHow to byte[] a uploaded file into a C#Uploadfile
In the past I was able to pick up the file path through the component, but now after researching I discovered that it is no longer possible to pick up the file path in the client for security…
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answers333
viewsInsert blob Firebird php
i am having a problem when trying to insert a blob field in Firebird my code is the seguitne $ficheiro = $this->blob_create(file_get_contents($_FILES['ficheiro']['tmp_name'])); $extensao =…
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answer59
viewsAzure Storage Account - SSL Subdomain
I created a storage account on Azure. Azure Storage Accounts allows instead of using their URL NOME_da_CONTA.blob.core.windows.net I use a subdomain SUB.meusite.com. The Urls from Azure itself come…
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answer216
viewsJpa does not create column @lob
I’m mapping a field @lob to save image to a table, but jpa creates the table, but does not create the column. I created the column manually in MYSQL, but then the bytes do not persist either. My…
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answer101
viewsMysql case returning type blob
I created a search query in Mysql and using case within it. The problem is that by returning the value of the column that is of the whole type, the value comes with the answer blob. Follow SELECT…
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answers319
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answer28
viewsSend Blob/Arraybuffer object by Websocket
I am making a Websocket connection and trying to send a Blob/Arraybuffer object resulting from a screen save, but what arrives on the server instead of bytes is [object ArrayBuffer] Example of a…
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1
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answers118
viewsGet BLOB image from the database using Spring MVC + Thymeleaf
I have problems trying to present an image on the frontend using Spring MVC and Hibernate to return the image stored in BLOB in the database. Entity: @Lob @Column(length = 100000) private byte[]…
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answer413
viewsHow to calculate blobs in C?
How can I calculate a pixel zone in C? The pixels, R G B are given from a file. The user has to insert an R, G and B and a deviation as it is in the function to calculate zones. From that, you’re…
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answer657
viewsSave image in blob
How to write this image code to the blob? data:image/jpeg;base64,/9j/4AAQSkZJRgABAgAAAQABAAD/2wBDAAgGBgcGBQgHBwcKCggLDSkODQwMDRsUFR... I just took a piece of it 'cause it all wouldn’t fit in here.…
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answers40
viewsIs it feasible to use BLOB for BD images?
I’m designing a database and I’m wondering if I should store profile images in a field blob in the table or store the image physically in a Storage and create a field text that contains the image…
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answer365
viewsGenerating PDF with MPDF from BLOB
Well I need to generate a PDF from a BLOB field saved in the database, my idea is to upload PDF transforming it into BLOB so as not to occupy disk space and facilitate the transport of the same. I’m…
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answer465
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answer890
viewsImage blob and cache problems
I’m having trouble with images BLOB, programming is being done with the framework Laravel in versão 5.2. The mini world is next: I upload the file and save only one BLOB, I don’t do any size…
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answers291
viewsDoubt How to Recover Data in blob format and display in jsp
Good Staff I am with a very critical doubt I am not managing to recover the data from a field of my database that has the format blob I read some documentations but I could not understand very much…
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answers3036
viewsDisplay saved image in BLOB
I would like to know how to display an image saved in the BLOB database: code: $nome = $_POST["nome"]; $preco = $_POST["preco"]; $cor = $_POST["cor"]; $descricao = $_POST["descricao"];…
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answers1756
viewsReceive txt and generate image from text
Hello guys! I have a problem that I cannot solve in any way. I have tried a lot and I have not gotten anywhere. In the company where I work we use proprietary language, which I hate. When I request…
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answers273
viewsAdd content to a window.URL.createObjectURL?
I need to add content to a "window.URL.createObjectURL" (blob), but after a lot of research I found nothing related. It’s really impossible? I ended up using "webkitRequestFileSystem" as an…
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answer283
viewsWork with BLOB field on ORACLE using Codeigniter
I have a system where will store certain files in a BLOB type column in my ORACLE database, but I did not find anything about it in the documentation of Codeigniter itself of how to do this, how can…
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answers350
viewsI cannot display an image that is saved in the BLOB database
I saved an image in the BD in a field type BLOB but when displaying it does not display the image, instead it leaves the screen black with a white square in the middle follows the code: <?php…
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answers662
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answer134
viewsHow to save an image in the BLOB field of the SQL bd using jsf + primefaces?
I have a table in the database where the BLOB type field already exists to store an image. I wanted to know how to capture an image through JSF/Primefaces and store in this BLOB field of the…
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answer30
viewsBufferedimage for Bufferedimage or save Bufferedimage as a blob in the database
hello, today I am working with facebook messenger and they send me the uploads images via url, this way -> Bufferedimage image = Imageio.read(url); and I need to save this in a column of my bank…
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answers16
viewsConvert Long Raw Data to BLOB ORACLE DB
My situation is as follows, I have 2 tables with different Owners, a stores the photos of the company’s employees in formed LONG RAW and on the other site I need to fetch these photos and present…
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answers301
viewsGet image path and not blob://
So, we developed an app with Cordova, and now I need to upload an image to a third party webservice. I installed the Cordova-plugin-camera and can get an image from the Gallery or Camera, and insert…
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answer1361
viewsHow to view image stored in blob type
I have a database that has a blob field. This field is to have a photo. I need to call this photo and display it. I do not have the photos that originated the contents of the database, so it is…
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answers51
viewsConvert Bufferedimage to BLOB - DERBY - NETBEANS JAVA
I created an object with several parameters and all data is entered inside the database except the last of type BufferedImage. I have already converted it to bytes (or at least think). It is a jpg.…
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answers438
viewsTo display a mysql BLOB type field on the html page
I have searched several times but could not find a solution, I need to display an image that was saved as BLOB in the database. Part of the code that saves to the database and displays the data…
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answers223
viewsView images from a BLOB field of a Firebird database in PHP
I think someone will feel entitled to say that this question is a duplicate, but I disagree, there is a question that answers in a simple and objective way a method of displaying an image of a field…
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answer169
viewsConvert Blob to String in Anglican
Hello, I have a code in Angularjs but it only works when I am in the browser debug. $scope.upload=function(){ var newFiles = []; $scope.carregando = true; angular.forEach($scope.files, function…
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answer53
viewsAzure - Hot layer BLOB recording source
Gentlemen all right? In my Azure account is displaying a high consumption of: "Hot LRS Recording Operations - Layered Block Blob - 192% 1.92 / 1 10K" image below: In the last 3 days this number that…