[byte] Forum Topics

Im trying to find for bytes(unknown) that appear before another set of bytes that have already been found. i have a binary file that for example looks like this: 82 00 10 00 00 00 00 00 00 00 00 00 00 01 00 00 60 F8 6C 10 BF …

Dear all, I have a small script wich is supposed to process two images passed as arguments in commandline, but I don't know how to handle these arguments when they are with non latin characters. Here is an example of command python.exe myscrit.py --first=xvalue "image1.png" "οισξφσιο.png" If I isolate the …

Hi DW. How can one read a file or change a file bits without reading the entire file. But first of all how can I read a file in such a way that I get it's bits. I want to read MP3 file and change it bits but I don't …

**Read title.** username = base64.b64encode(username)+'\n' This is what I thought would have worked, but it comes up with an error, "TypeError: can't concat bytes to str", meaning that I cannot add +'\n' to the end of the code. If there is anyway anyone knows how to write the byte of …

Alright, so I have seen `<<` and `>>` in a few different Java Programs and I have an idea of what they do, but I have no idea what you would use them for. I haven't ran into a problem where I need to use them, so if someone could …

I'm creating multiple custom info windows using only one xml layout, all of the info inside the window will be put In programmatically. I am now trying to give the ImageView an image but when I do that for one marker all of the other markers ImageView images become the …

If I have two bytes representing 117, 117 or 1110101 , 1110101 and I want to concatenate them (technically I know how) then which end attaches to which? I understand they will be arranged in memory depending on endianess but overall, is there a standard way of concatenating bytes. Lets …

Hi, I'm going to send a byte to the .dll to retrieve machine information. Right now I'm using the string to pass the value to CBMReader and I able to retrieve the value. Dim Devc as String Dim CBMReader as String For i = 0 To 50 If tempDev = …

Hi All, My problem is: i'm trying to convert byte[] into image. The byte[] comes from JSON and it's in this format: `"4oCwUE5HDQoaCgAAAA1JSERSAAAAfwAAAFAIBgAAADBHwqrDsAAAAAlwSFlzAAAAJwAAACcBKgnigJhPAAAgAElEQVR4xZPCrMK9ecWSZcOZfcOfw7c5w5vCvW/CqXp..."` it goes for another 100 lines. The code where the problem occurs: DefaultHttpClient httpClient = new DefaultHttpClient(); HttpPost httpPost = new HttpPost(PlayersListActivity.URL); httpPost.setEntity(new UrlEncodedFormEntity(parameters, "UTF-8")); HttpResponse httpResponse …

So what would be the size of this array in bytes if on a 32 bit machine: double *arr[4] ;

Hi Im using windows form applicaton and try using a method that returns a value and have a parmeterlist input. I try to creat a program that converts a number of kilobytes (KB) to byte. The program's user to specify the number of KiB and the program will print the …

Hello good day. I have a quick question is anyone able to assist me in saving a password file. I encrypted my password and so I want to save the salt and the encrypted password(which are byte arrays). I tried using a properties file, but I soon found out that …

Hi there, I have an array of unsigned chars that hold hex values, I’m interested in values [5] and [6] of the array. Say [5] = 0x5b = 0101 1011 and [6] = 0x7b = 0111 1011 I'm trying to get all of [5] and the first half of [6], …

Hi, I've been trying to send a long integer from an Arduino to my C++ program via the serial port. There seems to be many examples of this when i search, but I've not had much luck except for one example. This example seems to work, but not when I …

Hey, Iv been looking around for a simple way (meaning less than 10 lines) to reverse the order of my bytes in a byte array. At the moment my code is: public byte[] outputarray() { byte b[] = new byte[10]; ByteBuffer buf = ByteBuffer.wrap(b); buf.putLong(output); } The problem is that …

Hey, I was hoping someone can help me convert a piece of php code, im not really sure where to start pack( 'v', $test ); The pack php function above takes in an integer and converts it to an unsigned long. V - unsigned long (always 32 bit, little endian …

So i have a working network file transfer program now (if you want to see some of the code look at my other '[article](http://www.daniweb.com/software-development/java/threads/426357/networking-in-java-not-doing-it-right)'). But now that im trying larger files, im running into a problem where i run out of memory (which is understandable when the array is 1 …

Hey, Im stuck trying to figure out how to insert one byte between two other bytes that have already been created in an output stream: OutputStream out = new FileOutputStream("MyFile"); try { out.write((byte) 70); /*Byte should be inserted between these elements*/ out.write((byte) 40); /* but must be performed at end …

Hi all, I'm sure this is a n00b question, but I can't seem to get my head around it! I have a 4 BYTE array which I want to display as a decimal value. For example, in the array it contains the hex values: 00 05 7d a4, and I …

Hi All, I am working on a program where I want to keep the length of message in bytes to further working on it. the message got this string in it. [CODE] message^ m = gcnew message("usa.weather");[/CODE] I have to keep the length of this argument that is routing key …

i have an ASP web services to change byte array that given from the client and change it to a file and save it in the web server the code is like this : [CODE] [WebMethod] public string UploadFile(byte[] f, string fileName) { try { MemoryStream ms = new MemoryStream(f); …

[CODE]sizeA = 2**28 M = [0]*sizeA[/CODE] The above code creates an array but, each element is 4 bytes each. How do create a large byte array with type 'B' (eight bits unsigned)? I would like it to be as large as possible. I need it for a sieve prime number …

I try to converting bytes with 8 digits into ASCII code for example if user enter "0000111" the program convert it to it's ASCII code and shows 'p'(the value of character c in the code below became 'p') [CODE]public static void main(String[] args) { Byte bytes; char c; Scanner input=new …

[b]C# text encoder / decoder[/b] [i][u]Please note that I'm not a professional developer and I might make simple mistakes because of that, I'm also dutch, and 14 years old, so please keep that in mind before you reply. thank you C:[/i][/u] My brother came up with an idea to encode …

Hi there, My question is how could I output byte value (meaning zeros and ones) to screen. I just want to try some shifts and see how it works.

i am receiving a struct from the switch: [CODE]/* Packet received on port (datapath -> controller). */ struct ofp_packet_in { struct ofp_header header; uint32_t buffer_id; /* ID assigned by datapath. */ uint16_t total_len; /* Full length of frame. */ uint16_t in_port; /* Port on which frame was received. */ uint8_t …

how to free memory of byte array... code[CODE]for(int j=0;j<count;j++){ buffer=null; //[COLOR="Red"]free the memory by set as a null but not working????? shows array index out of bound exception for the second time[/COLOR] buffer= new byte[size]; //byte mem alloc temp2=di.read(buffer,total,size);// read buffer total=total+temp2; fo=null; ds=null; fo= new FileOutputStream(flist[j]); ds= new DataOutputStream(fo); …

I am trying to find out how to replicate the output of fwrite("andbe", 4, 1, output); an encryption algorithm I am using writes its output as this, but I am sending data across a network, and need to be able to write this to a string to send. The algorithm …

Hey, I'm working on a project where we have to stream files from a server app to clients. I have it all working nicely, but we have a special client type that cannot save files to HDD, not even temporarily. I can get the byte stream from server to this …

I'm using sockets in C to write 10 bytes to a socket and then read 10 bytes from that socket. I create a parent process that forks, creating a child that acts as the socket server that writes the 10 bytes. After the 10 bytes are wrote, back in the …