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What is the effect of encoding an image in base64?
If I convert an image (jpg or png) to base64, then will it be bigger, or will it have the same size? How much greater will it be?
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Node.js throws “btoa is not defined” error
...e, it only provides command line utilities.
If you need to convert to Base64 you could do so using Buffer:
console.log(Buffer.from('Hello World!').toString('base64'));
Reverse (assuming the content you're decoding is a utf8 string):
console.log(Buffer.from(b64Encoded, 'base64').toString());
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Strange \n in base64 encoded string in Ruby
The inbuilt Base64 library in Ruby is adding some '\n's. I'm unable to find out the reason. For this special example:
6 Ans...
How to compile for Windows on Linux with gcc/g++?
...orial here at the Code::Blocks forum. Mind that the command changes to x86_64-w64-mingw32-gcc-win32, for example.
Ubuntu, for example, has MinGW in its repositories:
$ apt-cache search mingw
[...]
g++-mingw-w64 - GNU C++ compiler for MinGW-w64
gcc-mingw-w64 - GNU C compiler for MinGW-w64
mingw-w64...
Code for decoding/encoding a modified base64 URL
I want to base64 encode data to put it in a URL and then decode it within my HttpHandler.
5 Answers
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Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
...eg locations may be OS-dependent. I collected this info from a Windows 10 x64 box. I'm just going to go ahead and dump all of these redist versions and the reg keys I search for to detect installation.:
Visual C++ 2005
Microsoft Visual C++ 2005 Redistributable (x64)
Registry Key: HKLM\SOFTWARE\C...
What is the difference between NULL, '\0' and 0?
...means the value of the pointer is 0, independent of whether it is 32bit or 64bit (one case 4 bytes the other 8 bytes of zeroes).
string context - the character representing the digit zero has a hex value of 0x30, whereas the NUL character has hex value of 0x00 (used for terminating strings).
These...
RegEx to parse or validate Base64 data
Is it possible to use a RegEx to validate, or sanitize Base64 data? That's the simple question, but the factors that drive this question are what make it difficult.
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Why does Windows64 use a different calling convention from all other OSes on x86-64?
...s an ABI specification that describes the calling convention to use on x86-64. All OSes follow it, except for Windows which has it's own x86-64 calling convention. Why?
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Base64 Decoding in iOS 7+
...= "foo"
Encoding
let plainData = plainString.data(using: .utf8)
let base64String = plainData?.base64EncodedString()
print(base64String!) // Zm9v
Decoding
if let decodedData = Data(base64Encoded: base64String!),
let decodedString = String(data: decodedData, encoding: .utf8) {
print(decoded...