hexed | Windows console-based hex editor | Editor library
kandi X-RAY | hexed Summary
kandi X-RAY | hexed Summary
hexed - a Windows console-based hex editor.
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QUESTION
I have this PHP code:
...ANSWER
Answered 2022-Feb-07 at 04:34The PHP code shown is simply converting the integer 1 into a hex-encoded string containing "01", and is then parsing that hex string into a binary string holding a single byte 0x01.
In C, you can use sscanf() in a loop to parse a hex string.
In standard C++, you can use std::hex and std::setw() to parse a hex string from any std::istream, such as std::istringstream, using operator>> in a loop.
In C++Builder specifically, you can use its RTL's HexToBin() function to parse a hex string into a pre-allocated byte array.
QUESTION
ANSWER
Answered 2022-Jan-31 at 16:50I chose to act on the output string instead of tackling the OCR API.
Fixing the issue within the OCR API would probably be a superior solution if possible, but I could not get your code properly referenced in my system.
So you can add this function to transpose the string
QUESTION
I'm working on an application that has a list view that is used as a Hex Viewer, but there are important performance issues. I'm not a very experienced programmer, so I don't know how to optimize the code.
The idea is to avoid the application freezes when adding the items into the list view. I was thinking adding the items in groups of 100 items more or less, but I don't know how to deal with scroll up and down, and I'm not sure if this would solve these performance issues.
The control will always have the same height, 795px. Here's the code I'm using:
...ANSWER
Answered 2021-Nov-16 at 02:35This is a common problem, where any long-running action on the main UI thread freezes the application. The normal solutions are either to run the operation on a background thread or as an asynchronous method... or more commonly as a hybrid of the two.
The main problem here though is that ListView is quite slow when loading large amounts of data. Even the fastest method - bulk loading the entire collection of ListViewItems - is slow. A quick test with a 340KB file took
~0.18s to load the items, then ~2.3s to add the items to the control. And since the last part has to happen on the UI thread, that's ~2.3s of dead time.
The smoothest solution with ListView working on large lists is to use virtual list mode. In this mode the ListView requests the visible items whenever the list scrolls rather than maintaining its' own list of items.
To implement a virtual ListView you provide a handler for the RetrieveVirtualItem event, set the VirtualListSize property to the length of the list, then set VirtualMode to true. The ListView will call your RetrieveVirtualItem handler whenever it needs an item for display.
Here's my PoC code:
QUESTION
what's up friends, I got the issue of the title, programm working with 3 QLineEdit where 1st it's to introduce a decimal number, 2nd a hex, and the 3rd a binary.
I got signals that works while I introduce a decimal number then it puts the hex value in the 2nd QLineEdit(it's converted by signal) , and to the same way for the binary value.
until here, before was working(but not now), after I put a code to introduce a binary or hex, then it becomes to decimal , and the other val...
I need your help, maybe I'm not seeing something .... it's literally the first time I used QGidLayout, etc etc.
my code is next: code of convertidorNumerico.cpp ...ANSWER
Answered 2021-Nov-05 at 21:48You are setting multiple layouts, change this:
QUESTION
I am trying to write an hex string into a file using python 2.7 so that when opened with HxD I can retrieve the same hex values. The following code works fine on multiple input strings, but when the string contains '0A' the writing is not working correctly.
...ANSWER
Answered 2021-Aug-27 at 13:59You are opening the file for writing in text mode, so newlines are converted to use system convention. In the case of Windows 0A or '\n' gets converted to 0D 0A or '\r\n'.
From the python's documentation for open() (emphasis added):
If mode is omitted, it defaults to 'r'. The default is to use text mode, which may convert
'\n'characters to a platform-specific representation on writing and back on reading. Thus, when opening a binary file, you should append'b'to the mode value to open the file in binary mode, which will improve portability.
Open the file in binary mode.
QUESTION
I had to convert a the 128 bits of a character array which has size 16 (1 byte each character), into a decimal and hexadecimal, without using any other libraries than included. Converting it to hexadecimal was easy as four bits were processed each time an the result was printed for each four bits as soon as it was generated.
But when it comes to decimal. Converting it in the normal mathematical way was not possible, in which each bit is multiplied by 2 to the power the index of the bit from left.
So I thought to convert it like I did with hexadecimal by printing digit by digit. But the problem is that in decimal it is not possible as the maximum digit is 9 and it needs 4 bits to represented while 4 bits can represent decimal numbers up to 15. I tried making some mechanism to carry the additional part, but couldn't find a way to do so. And I think, that was not going to work either. I have been trying aimlessly for three days as I have no idea what to do. And couldn't even find any helpful solution on the internet.
So, I want some way to get this done.
Here is My Complete Code:
...ANSWER
Answered 2021-Apr-05 at 00:30To convert a 128-bit number into a "decimal" string, I'm going to make the assumption that the large decimal value just needs to be contained in a string and that we're only in the "positive" space. Without using a proper big number library, I'll demonstrate a way to convert any array of bytes into a decimal string. It's not the most efficient way because it continually parses, copies, and scans strings of digit characters.
We'll take advantage of the fact that any large number such as the following:
QUESTION
Intro:
Hello Community. I have been trying to encrypt a message with the https://www.npmjs.com/package/eccrypto ~ eccrypto.encrypt() function then .toString('hex') the value after encrypting but when I return the hexed value, it gives me [object object]. Why does this happen? I am new to javascript and eccrypto and any insight will be appreciated.
Relevant Code:
...ANSWER
Answered 2021-Jan-24 at 20:50The returned value from an encryption is an object, if you would like to get the specific properties. You could access them with for example: .mac or .iv, if you call JSON.stringify() on the response, you can see what is inside the objects.
QUESTION
I am still new to python (PYTHON 3.9.1), and I am trying to make a programm that will get an ip address and then hash it. I defined a function that gets ip address, then removes dots and converts it to hexidecimal (I just want it to hash the hex of ip address). Then I defined a function that hashes using SHA256. But now when I want to use the locally defined variable that defines the Hexed IP address in the first function, in the second function to hash it, I just dont know how to do it. As the Hexed IP address is not globally defined I can't use it in another function. I could just put the code of the hashing function into the first function, and I did it and it works, but I don't like it and it makes my code messy, and I think there has got to be another way to do it.
MAIN QUESTION IS: How do I use a locally defined variable from one function in another function ?
Here is my code:
...ANSWER
Answered 2021-Jan-23 at 17:56There are many ways to do this:-
You can pass the hexidecimal_ip as a parameter to sha256 function after returning it, for example:-
QUESTION
I am currently coding a simple c socket HTTP server that support gzip and chunked transfer.
The snippet for gzip and chunked write to socket is as follows:
...ANSWER
Answered 2020-Sep-17 at 16:24deflate reads some uncompressed bytes from the in buffer and writes some compressed bytes to the out buffer. Your code is careful to send all the compressed bytes down the socket, even if the socket doesn't send them all at once. But your code is not careful with the uncompressed bytes!
If deflate fills up the output buffer first, then there are still input bytes left over when it returns. Your code ignores those leftover input bytes and instead of trying to compress them again, it overwrites them with the next bytes from the file.
The reason you see this with JPEG files but not with text files is that JPEG files are already compressed, so they can't be compressed any more. That means the gzipped JPEG output is bigger than the original JPEG, so the output buffer fills up before the input buffer is empty. With the text file, it compresses well and there is plenty of room in the output buffer.
QUESTION
I am creating an eclipse plugin with a view, called DataView. I want the Java Hex Editor to open in my DataView that I created. I followed this vogella post, which stated that getViewSite().getPage(), would force the editor to open in the DataView. However, when I test the code, the DataView opens separately from the editor. Note: I am using Java 8 by company requirements.
Is there anyway to fix this? I have attached my code and my current output below:
...ANSWER
Answered 2020-Aug-07 at 07:22The link does not say that the editor will open in the view, it is just telling you how to open an editor from a view. Editors always open separately in the editor area.
You can't have an editor in a view. You can use the core editor classes such as TextViewer and SourceViewer in a view but that means you can't reuse code from an existing editor unless it is designed to allow this.
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