base64 | Fast Base64 stream encoder/decoder in C99 , with SIMD
kandi X-RAY | base64 Summary
kandi X-RAY | base64 Summary
This is an implementation of a base64 stream encoding/decoding library in C99 with SIMD (AVX2, NEON, AArch64/NEON, SSSE3, SSE4.1, SSE4.2, AVX) and OpenMP acceleration. It also contains wrapper functions to encode/decode simple length-delimited strings. This library aims to be:. On x86, the library does runtime feature detection. The first time it's called, the library will determine the appropriate encoding/decoding routines for the machine. It then remembers them for the lifetime of the program. If your processor supports AVX2, SSSE3, SSE4.1, SSE4.2 or AVX instructions, the library will pick an optimized codec that lets it encode/decode 12 or 24 bytes at a time, which gives a speedup of four or more times compared to the "plain" bytewise codec. NEON support is hardcoded to on or off at compile time, because portable runtime feature detection is unavailable on ARM. Even if your processor does not support SIMD instructions, this is a very fast library. The fallback routine can process 32 or 64 bits of input in one round, depending on your processor's word width, which still makes it significantly faster than naive bytewise implementations. On some 64-bit machines, the 64-bit routines even outperform the SSSE3 ones. To the author's knowledge, at the time of original release, this was the only Base64 library to offer SIMD acceleration. The author wrote an article explaining one possible SIMD approach to encoding/decoding Base64. The article can help figure out what the code is doing, and why.
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base64 Key Features
base64 Examples and Code Snippets
Lines of Code : 2
License : No License
Copyconst atob = str => Buffer.from(str, 'base64').toString('binary');
atob('Zm9vYmFy'); // 'foobar'
const btoa = str => Buffer.from(str, 'binary').toString('base64');
btoa('foobar'); // 'Zm9vYmFy'
def base64_decode(encoded_data: str) -> bytes:
"""Decodes data according to RFC4648.
This does the reverse operation of base64_encode.
We first transform the encoded data back to a binary stream, take off the
previously appended b def base16_decode(b16encoded: bytes) -> str:
"""
Decodes from base-16 to a utf-8 string.
>>> base16_decode(b'48656C6C6F20576F726C6421')
'Hello World!'
>>> base16_decode(b'48454C4C4F20574F524C4421')
'HELLO def base85_decode(a85encoded: bytes) -> str:
"""
>>> base85_decode(b"")
''
>>> base85_decode(b"0etOA2#")
'12345'
>>> base85_decode(b"@UX=h+?24")
'base 85'
"""
# a85decode the input int Community Discussions
Trending Discussions on base64
QUESTION
When import 'semantic-ui-css/semantic.min.css' into a brand new Electron-Forge/Webpack5 project, I get the following:
ANSWER
Answered 2021-Jul-26 at 17:05Finally fixed it...
Electron-Forge installs a recent version of CSS-Loader, whereas the website still has quite an old version. Downgrading fixed the issue.
QUESTION
I have been stock on this error on my project when I add "proxy": "http://localhost:6000"
in my package.json.
This is the error response after yarn start.
Invalid options object. Dev Server has been initialized using an options object that does not match the API schema.
- options.allowedHosts[0] should be a non-empty string. error Command failed with exit code 1. info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
But everything is fine when I remove the "proxy": "http://localhost:6000".
This is on my package.json:
...ANSWER
Answered 2021-Dec-19 at 16:06Here is a workaround. Delete "proxy": "http://localhost:6000". Install package http-proxy-middleware with command npm install http-proxy-middleware --save. Create a file setupProxy.js inside your src folder. Add these lines inside:
QUESTION
I am storing a public key in a env variable as a string. This public key is from a .pem file. When I try to use it in my code, I get the following error
...ANSWER
Answered 2022-Mar-28 at 08:47Your key seems to be a PEM encoded public key in X.509/SPKI format. However, the line breaks are missing. These are to be set so that header and footer are each on a single line. In the body there is a line break after every 64 characters.
A correctly formatted PEM key can be processed directly by createPublicKey(). The key will be accepted even if the line breaks in the body are missing, but header and footer must be in different lines, otherwise the posted error message will be displayed: error:0909006C:PEM routines:get_name:no start line.
Example:
QUESTION
I've created a new React app by running npx create-react-app@latest --typescript . and I've run the project using npm start and it all works as expected. I ran npm install semantic-ui-react semantic-ui-css and that installs correctly.
But when I add import 'semantic-ui-css/semantic.min.css'; to index.tsx as instructed, I get a failed to compile error.
Here's my index.tsx file:
ANSWER
Answered 2021-Dec-15 at 21:37Judging from this issue:
CSS import breaks webpack 5 compilation
I believe this is an issue with Semantic-UI-React and Webpack 5 (which is used by Create-React-App).
The final answer in that issue is a suggestion to switch to Fomantic-UI 😅
This should be reported into the upstream repo: https://github.com/Semantic-Org/Semantic-UI. The problem is that it's dead 🙄 Reasonable solution is to switch to https://github.com/fomantic/Fomantic-UI.
https://github.com/Semantic-Org/Semantic-UI-React/issues/4287#issuecomment-935897619
QUESTION
It was working fine before I have done nothing, no packages update, no gradle update no nothing just created new build and this error occurs. but for some team members the error occur after gradle sync.
The issue is that build is generating successfully without any error but when opens the app it suddenly gets crash (in both debug and release mode)
Error
...ANSWER
Answered 2022-Feb-25 at 23:22We have fixed the issue by replacing
QUESTION
With the eminent demise of the u2f api, I'm trying to move to WebAuthn APIs using the AppId extension to support security keys previously registered with U2F. As best I can tell from reading the docs I think I am doing it correctly, however, when attempting to authenticate I am prompted by my browser to tap my key, and my key is blinking, but upon tapping it I get the error "You're using a security key that's not registered with this website". In comparing the existing u2f authentication request I'm using the same appid and key handle.
Example U2F sign request:
...ANSWER
Answered 2021-Nov-16 at 17:53Everything about the options you pass to navigator.credentials.get() looks correct, including how you're specifying the "appid" extension. I believe the issue is that you're double-encoding your U2F credential's credential ID. Try passing the original "keyHandle" in the options instead (you can use it as-is because it's already compatible with base64url encoding):
QUESTION
This is sort of strange behavior in our K8 cluster.
When we try to deploy a new version of our applications we get:
...ANSWER
Answered 2021-Nov-15 at 17:56Posting comment as the community wiki answer for better visibility
This issue was due to kubelet certificate expired and fixed following these steps. If someone faces this issue, make sure /var/lib/kubelet/pki/kubelet-client-current.pem certificate and key values are base64 encoded when placing on /etc/kubernetes/kubelet.conf
QUESTION
I'm hoping to try out the Cro library in Raku: https://cro.services/docs
However, when I try to install it using zef, I get this output:
ANSWER
Answered 2021-Nov-04 at 19:02I asked around on GitHub and IRC. The solution was to download and use rakudo-pkg to get a newer version of zef. The one that can be installed via apt is too old.
QUESTION
I recently learned there seem to be multiple ways to display an image on a web page.
The first way is to directly assign the URL to an image element's URL
...ANSWER
Answered 2021-Oct-12 at 23:04- The second way is called Data URL, which allow embed small files inline in HTML/CSS, for example:
QUESTION
I'm trying to stop my elements from overlapping using interact.js, but I don't have any idea how to get the n elements to be able to do it. Does anyone have an idea? Or some other way I can validate it. Try the solution to this question, but I don't understand how to get the list of elements to go through it. enter link description here
...ANSWER
Answered 2021-Oct-03 at 18:14What you are looking for is collision detection. When you move or resize your box you can check if the new dimensions/position does collide with other boxes. If that is the case then you can ignore the movement/resize.
Because your code snippet contained a lot of invalid HTML I had to strip most of it to make it work. Please do spend some time making valid HTML when/if you ask your next question. Some errors that were present in your HTML code:
- All content was made in the
element - Usage of HTML tags. Only certain tags can exist out of one tag like
is not and the proper way of writing some HTML tags like input is(without closing tag) - Closing tags
without any starting tags - Closing parent tags before closing all the child tags
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