blob

OpenCV + Unity3D integration

由 ≡放荡痞女 提交于 2019-12-17 21:58:16
问题 I am a unity developer trying my hands on opencv for the first time. My initial goal is to run the camera and detect blobs via opencv in unity3d. I am new to OpenCV and am trying to integrate it in Unity3D (on Windows 8 with Unity 4.3.2 and on a mac with Unity 4.2.1f). I followed this thread. But I am getting the following error as soon as I add a new C# script. And the moment I delete this script, the error goes (this script is Unity generated C# script). Internal compiler error. See the

How to insert image in mysql database(table)?

由 ◇◆丶佛笑我妖孽 提交于 2019-12-17 21:57:06
问题 I want to insert image into a table like CREATE TABLE XX_SAMPLE(ID INT ,IMAGE BLOB); So can you help out form how to insert image into the above table. 回答1: Please try below code INSERT INTO xx_BLOB(ID,IMAGE) VALUES(1,LOAD_FILE('E:/Images/jack.jpg')); 回答2: You should use LOAD_FILE like so: LOAD_FILE('/some/path/image.png') 回答3: You can try something like this.. CREATE TABLE 'sample'.'picture' ( 'idpicture' INTEGER UNSIGNED NOT NULL AUTO_INCREMENT, 'caption' VARCHAR(45) NOT NULL, 'img'

trying to retrieve both text and blob from mysql to jtable

由 怎甘沉沦 提交于 2019-12-17 21:23:05
问题 So I'm trying to retrieve text and a blob(image) from a database inside a jtable in a nice way. For some reason, whenever I try to retrieve the blob I get this: java.io.ByteArrayInputStream@1cb63183 in every other column, although I've specified that the blob is on the 8th ! here is a screenshot: http://s24.postimg.org/t71o3izlh/Screen_Shot_2016_01_28_at_1_26_55_PM.png Here is my code sql = "SELECT * FROM Products"; ResultSet rs = stmt.executeQuery(sql); ResultSetMetaData rsmd = rs

mysqli image blob insert not working

由 和自甴很熟 提交于 2019-12-17 20:27:33
问题 I'm trying to upload an image file to my MySql Database. I've already seacrh on the web and I finally start using the following script: if(is_uploaded_file($_FILES['filename']['tmp_name'])){ $maxsize=$_POST['MAX_FILE_SIZE']; $size=$_FILES['filename']['size']; // getting the image info.. $imgdetails = getimagesize($_FILES['filename']['tmp_name']); $mime_type = $imgdetails['mime']; // checking for valid image type if(($mime_type=='image/jpeg')||($mime_type=='image/gif')||($mime_type=='image/png

Converting blob back to original file type and making it available for download

由 久未见 提交于 2019-12-17 19:37:17
问题 So I have a client application built using HTML5 and JavaScript. My application invokes a web service (built using c#), which extracts a blob data from a MySql database and passes it on to the client application. This blob data is actually a small file (less than 100kb) which was stored in the MySQL Database. I want my client application to be able to convert this blob back to its original file type and then ask the user for download permissions. Now I was wondering if this is a good idea or

Delphi load image save as blob in a sql database

由 烈酒焚心 提交于 2019-12-17 19:31:15
问题 I'm trying to load a Image control from a image blob saved previously in a sql database.I have testd so many ways and i can't make it work. The image blob is saved as: qry.SQL.Text := 'update tbl set pic = :blobVal where id = :idVal'; qry.Parameters.ParamByName('blobVal').LoadFromFile('c:\sample.jpg', ftBlob); qry.Parameters.ParamByName('idVal').Value := 1; any suggestion? 回答1: There a a lot of treads here about loading images to as database, but I did not find one with update or insert

How to save Chart JS charts as image without black background using blobs and filesaver?

由 霸气de小男生 提交于 2019-12-17 18:34:10
问题 $("#NoBidsChart").get(0).toBlob(function(value) { saveAs(value, "Summary.jpg"); }); Here i am using Chart JS(v2.5.0) for rendering charts. When i try to export the charts using Canvas to Blob converter and filesaver.js, i get the black background. So how do i get the image with customized background color(preferably white)? 回答1: If you want a customized background color then, you'd have to draw a background with your preferred color, and you can do so, like this ... var backgroundColor =

blob文件下载说明

由 和自甴很熟 提交于 2019-12-17 17:20:44
blob文件下载代码 // responseType: "blob" // .then(res => { // console.log(res); // let temp = res.headers["content-disposition"] // .split(";")[1] // .split("filename=")[1]; // console.log(temp); // let arr = temp.split("."); // console.log(arr); // let blob = new Blob([res]); // var downloadElement = document.createElement("a"); // var href = window.URL.createObjectURL(blob); // 创建下载的链接 // downloadElement.href = href; // downloadElement.download = arr[0] + "." + arr[1]; // 下载后文件名 // document.body.appendChild(downloadElement); // downloadElement.click(); // 点击下载 // document.body.removeChild

Viewing Content Of Blob In phpMyAdmin

由 …衆ロ難τιáo~ 提交于 2019-12-17 16:42:02
问题 Sorry for the Noob Question, but what does the circled button mean, and how can I view the content of a blob? (source: rigel222.com) 回答1: earlier versions of phpmyadmin had a setting called $cfg['ShowBlob'] = TRUE; That would allow you to view the contents of blobs in the browser. You should note that this would cause chaos if you were storing binary files in blobs, since you would see endless gobblygok in the browser window. There are some people (like me) who decided that their application

Oracle: export a table with blobs to an .sql file that can be imported again

由 醉酒当歌 提交于 2019-12-17 16:33:14
问题 I have a table "Images" with two fields: Name VARCHAR2 Data BLOB I would like to export that table to a .sql file which I could import on another system. I tried to do so using the "Database unload" assistant of Oracle SQL Developer. However the generated file does just have the content for the names in it but not the data. Thus after importing I would end up with all the names but the data field would be null everywhere. I'd really prefer it just to be one file (I saw some examples that
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