The binary tag has no wiki summary.
-1
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0answers
41 views
How do I have a user cin an integer and convert it to binary so that the appropriate 0's and 1's are stored in a vector? [closed]
I'm trying to create a BinaryInteger class that mimics the way integers are stored in a computer, but which represents negative numbers in the ‘sign and magnitude’ form (i.e., the binary ...
3
votes
2answers
187 views
How should I structure a C# application that reads & writes binary data?
I have to read and write binary "chunks" of approximately 1Mb each. The data can come in the form of a stream or a in-memory byte[].
Normally I would use a Struct with a fixed layout, but there are ...
-1
votes
3answers
155 views
Choosing a suitable language and framework [closed]
I'm writing a small webpage that will allow the user to download small tools to run locally, I'm thinking what might be a suitable choice of language for the small tools.
There will be a rather large ...
3
votes
1answer
156 views
Can we create a GPL application that has a payware advertisement on it?
We've been thinking of using GPL components to make a GPL application, and freely give it away. We then want to use that as a loss-leader. In that free application, where even the source code is ...
0
votes
3answers
968 views
Is there something special about the number 65535?
2¹⁶-1 & 2⁵ = 2⁵ (or? obviously ?)
A developer asked me today what is bitwise 65535 & 32 i.e. 2¹⁶-1 & 2⁵ = ?
I thought at first spontaneously 32 but it seemed to easy whereupon I thought ...
3
votes
1answer
208 views
Extracting color profile information from JPEG files
I'm trying to look up info about reading JPEG's color profile info and to my surprise there's very little open specific how-to information on that regard, but rather lots of general explanation on ...
2
votes
2answers
170 views
Which numeral systems are useful in computer science?
I am wondering which numeral system different programmers are using, or would use if their language has support for them. As an example, in C++ we can use:
Octal by prefixing with 0 (e.g. 0377)
...
4
votes
4answers
436 views
How much is modern programming still tied to underyling digital logic? [closed]
First of all: I've got no academic background. I'm working primarily with Java and Spring and I'm also fond of web programming and relational databases. I hope I'm using the right terms and I hope ...
3
votes
3answers
201 views
Compiling vs using pre-built binaries performance?
Will performance be better (quicker) if I manually compile the source for a software component for the actual machine that it will be used on, compared to if the source was compiled on another ...
4
votes
1answer
108 views
What does “windowed streaming” stand for?
So I was asking around the Mercurial development mailing list about binary diffing and patch handling and I got the following examples:
whole file approaches (classic diff, bsdiff, Mercurial's ...
1
vote
1answer
97 views
What does it mean “you can pick K to be whatever you want” in Excess-N notation?
I prefer providing an example to explain the following paragraph:
However, since excess K representation using N bits has two parameters, K and N, you can pick K to be whatever you want. You can ...
2
votes
3answers
482 views
Understanding binary numbers in terms of real world objects
When I represent a number in the decimal system, I have an intuitive knowledge of what it amounts to. For example take the number '10': I understand that it means 10 apples or 10 people... i.e I can ...
1
vote
1answer
390 views
How is this number calculated?
I have numbers;
A == 0x20000000
B == 18
C == (B/10)
D == 0x20000004 == (A + C)
A and D are in hex, but I'm not sure what the assumed numeric bases of the others are (although I'd assume base 10 ...
2
votes
2answers
810 views
binary representation in Python and keeping leading zeros
I wanted to use the base64 Python library to encode a sequence of binary digits into base 64. Would it be possible to do it without converting to a string? If not, what is the best way to do it, ...
7
votes
9answers
1k views
Is it any good to use binary arithmetic in a C++ code like “C style”?
I like the fact that the C language lets you use binary arithmetic in an explicit way in your code, sometimes the use of the binary arithmetic can also give you a little edge in terms of performance; ...
-2
votes
2answers
663 views
Flipping the desired bit of an integer number
Suppose you were given an integer number in decimal notation. This when represented in binary will be a series of 0's and 1's. This sequence varies in length with the magnitude of the number. Now ...
1
vote
4answers
441 views
What web oriented language would work best with binary data?
I want to create a service where people can upload files. However, since file storage costs money, I want to compress the files so they take less space. I would want to write my own compression ...
6
votes
4answers
998 views
What are binaries?
I see very often people using term binaries in different context. What are binaries? Collection on binary files, installation files, .dll files or what? Or is it just an general term for some ...
8
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4answers
284 views
File naming convention for images stored in version control?
My application has an icon file which is stored in version control. Now tomorrow I might decide to change the icon. I'm debating between two possible naming conventions for the icon file:
Keep ...
3
votes
4answers
159 views
What exactly is “Binary Form”?
I am asking in the context of the licenses on code that one sees all over the place. Typically, they say something along the lines of "if you release a product containing this in binary form, it must ...
24
votes
22answers
4k views
Why learn hexadecimal?
I've taken quite a few intro programming classes in my day, mostly just to get my feet wet in every different kind of programming I find. Not surprisingly, just about every class runs through the ...
3
votes
3answers
420 views
Can you decipher this binary
Thought I post this to the best community of programmers I know.
David Johnston, the new Governor
General, has the digital world
confused.
Just what is the meaning of that 33
...
