binary-data

Tool to retrieve binary jpg data from SQL Server

(Asking on behalf of a friend employed in a local bank) Since he's no programming experience (neither do I with SQL Server), he's looking for a tool which can show all the jpg images stored in a windows SQL Server database. Google didn't give any satisfactory result. ...

Parse binary data for c# bootp server?

I need one of my C# .NET applications to act as a bootp server. The protocol is pretty simple but I dont know an easy way to build/parse the binary data. Any ideas: ...

Storing PDF files as binary objects in SQL Server, yes or no?

I have to find a design decision for the following task: I have a SQL Server database and it contains a table of orders. PDF documents will be uploaded by users through a simple file upload from a web page and assigned to an order. There is not more than one document per order (perhaps no document, never more than one). For this purpose...

Reading binary image data from a web service into UIImage

I'm consuming a web service in my iPhone app. The web service method returns a response which has several fields (eg. ID, Description, etc..). One of these fields contains binary image data which I need to convert to UIImage in my iPhone application. I'm using a NSXMLParser successfully to extract data from the XML response. In the pars...

How to display binary data in asp.net mvc

Hi, Been searching for days now, but I can't seem to get what I need. Here's the problem, I have a page where users can upload a file (.doc, .xls, .pdf, etc) and save it to db in binary format (still ok here), however, I need to be able to display the file (with the proper format) in a div tag which I can't figure out how to do. Not s...

Using Python, how do I read and extract data from a binary data file with multiple variable-length records?

Using Python (3.1 or 2.6), I'm trying to read data from binary data files produced by a GPS receiver. Data for each hour is stored in a separate file, each of which is about 18 MiB. The data files have multiple variable-length records, but for now I need to extract data from just one of the records. I've got as far as being able to deco...

Passing Binary Data to a Stored Procedure in SQL Server 2008

I'm trying to figure out a way to store files in a database. I know it's recommended to store files on the file system rather than the database, but the job I'm working on would highly prefer using the database to store these images (files). There are also some constraints. I'm not an admin user, and I have to make stored procedures to ...

Faster float to int conversion in Python

Here's a piece of code that takes most time in my program, according to timeit statistics. It's a dirty function to convert floats in [-1.0, 1.0] interval into unsigned integer [0, 2**32]. How can I accelerate floatToInt? piece = [] rng = range(32) for i in rng: piece.append(1.0/2**i) def floatToInt(x): n = x + 1.0 res = 0 ...

Python: fetching SVG file using urllib is returning binary when I need ASCII

I'm using urllib (in Python) to fetch an SVG file: import urllib urllib.urlopen('http://alpha.vectors.cloudmade.com/BC9A493B41014CAABB98F0471D759707/-122.2487,37.87588,-122.265823,37.868054?styleid=1&viewport=400x231').read() which produces output of the sort: xb6\xf6\x00\xb3\xfb2\xff\xda\xc5\xf2\xc2\x14\xef\xcd\x82\x0b\xdbU\xb0...

Excel 2007 file writer in C# results in a corrupt file

Hi, I am using a BinaryReader to read an Excel 2007 file from an Exchange mailbox using a OWA, the file is then written to disk using a BinaryWriter. My problem is that the two files don't match when the writer finishes. Worse still Excel 2007 won't open the writen file. Previously Excel 2003 has had no problem with the solution belo...

How do I get the C# Winforms Webbrowser control to show PDF content embedded in the html file as binary content?

I am using a Winforms webbrowser control to display HTML content stored in my SQL DB table. However, some of my contents are PDFs which I intend to store as binary data in the SQL DB and feed to the Webbrowser control. I wish to avoid the hassle of storing the binary content in a temporary file on the client machine and then create html ...

Help Reading Binary Image Data from SQL Server into PHP

I cannot seem to figure out a way to read binary data from SQL server into PHP. I am working on a project where I need to be able to store the image directly in the SQL table, not on the file system. Currently, I have been using a query like this one: INSERT INTO myTable(Document) SELECT * FROM OPENROWSET(BULK N'C:\image.jpg',...

IndexOutOfRangeException when a stream is a multiple of the buffer size

I don't have a lot of experience with streams and buffers, but I'm having to do it for a project, and I'm stuck on an exception being thrown when the stream I'm reading is a multiple of the buffer size I've chosen. Let me show you: My code starts by reading bufferSize (100, let's say) bytes from the stream: numberOfBytesRead = DataRea...

Object to Network serialization - with an existing protocol

I'm writing a client for a server program written in C++. As is not unusual, all the networking protocol is in a format where packets can be easily memcopied into/out of a C++ structure (1 byte packet code, then different arrangements per packet type). I could do the same thing in C#, but is there an easier way, especially considering l...

REST service with binary data

Hi I want to create Restful service which can accept binary data. I've implemented javax.xml.ws.Provider interface, but i can't get content of request. If I use javax.xml.ws.Dispatch then its send only XML data, but I need transfer binary data. Please give some solution, but I don't prefer to use JAX-RS or Restlets. Thanks. ...

How to Embed/Link binary data into a C++ DLL

So I have a Visual Studio 2008 project which has a large amount of binary data that it is currently referencing. I would like to package the binary data much like you can do with C# by adding it as a "resource" and compiling it as a DLL. Lets say all my data has an extension of ".data" and is currently being read from the visual studio...

Breaking the SQL Compact 8K Limit?

I am creating a desktop application that stores rich text documents to a SQL Compact database. Documents are converted to a byte array and stored as a Binary column, and I am running into SQL Compact's 8K limit for Binary field length. Is there a simple way to get around the 8K limit? I can come up with lots of complicated ways to do it...

Creating a binary file from an IntelHex in C#

I'm trying to create a binary file from a intelHex file. Iside the intelHex file I have data and address to which I should write the data inside the binary file. IntelHex file looks like that :10010000214601360121470136007EFE09D2190140 :100110002146017EB7C20001FF5F16002148011988 :10012000194E79234623965778239EDA3F01B2CAA7 :100130003F015...

Best way to bundles photos with app: files or in sqlite database?

Lets say that I have an app that lets you browse through a listing of cars found in a Sqlite database. When you click on a car in the listing, it'll open up a view with the description of the car and a photo of the car. My question is: should I keep the photo in the database as a binary data column in the row for this specific car, or ...

use vbscript to get 32 bit floating point into binary byte or word representation

Hello, I don't know how to do two somewhat related task within vbscript (not vb) -I need to break a 32 bit floating point into it's 4 byte binary representation. -I need to break a 32 bit floating point into it's 2 word(aka16bit) binary representation. For example, 65535.0 in format binary is 1000111011111111111111100000000 65535.0 in ...