cheatsheet | cheatsheet website | Learning library

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kandi X-RAY | cheatsheet Summary

cheatsheet is a HTML library typically used in Tutorial, Learning applications. cheatsheet has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

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Support

cheatsheet has a low active ecosystem.

It has 26 star(s) with 10 fork(s). There are 4 watchers for this library.

It had no major release in the last 6 months.

cheatsheet has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of cheatsheet is current.

Quality

cheatsheet has no bugs reported.

Security

cheatsheet has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

cheatsheet does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

cheatsheet releases are not available. You will need to build from source code and install.

Installation instructions are not available. Examples and code snippets are available.

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cheatsheet Key Features

No Key Features are available at this moment for cheatsheet.

cheatsheet Examples and Code Snippets

No Code Snippets are available at this moment for cheatsheet.

Community Discussions

Trending Discussions on cheatsheet

Dom based XSS discovering tool

How to multiply two 32 bit colours in RGBA format

Are there more complex functions to call from within Solidity (Smart Contracts/Ethereum)?

Invalidating Devise user session identifier after password update

Swift FontAwesome 5 Pro icons don't show programmatically

Issue with FirstPersonController in Ursina

R regex quantifier dash vs. comma with {stringr} vs. {pointblank}

Typescript not parsing JSX inside forwardRef

React testing library: how to explicitly reuse rendered component without removing auto-cleanup

Lookup ERROR while trying to log in instagram using Helium/Selenium

QUESTION

Dom based XSS discovering tool

Asked 2021-Jun-12 at 08:55

For my studys i have to develope a web site that verify from a given url if this is vulnerable to DOM Based XSS and then print a report of what it found, i already read a lot of article and specifically this ones Description of xss Documentation on prevention Doc on prevention of DOM based

but i'm stucked in a point, which is :

How can i inspect/analyze the dom of a page from a given url, from my web site (html/js/jquery)

...

ANSWER

Answered 2021-Jun-12 at 08:55

The Same Origin Policy prevents this.

You'll need to find a different approach.

Source https://stackoverflow.com/questions/67947188

QUESTION

How to multiply two 32 bit colours in RGBA format

Asked 2021-Jun-07 at 16:48

I am using the raylib and it uses the 32 bit RGBA colours. I searched in a cheatsheet, but I could not find any appropriate routine. What I want to do is multiply two colours as if they were vec4s in opengl (each channel ranging from 0 to 1). I actually already successfully performed the multiplication but it is rather slow operation involving lot of floating point arithmetic for something so simple:

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ANSWER

Answered 2021-Jun-07 at 14:43

After some searching I realized, I can upgrade this to:

Source https://stackoverflow.com/questions/67873357

QUESTION

Are there more complex functions to call from within Solidity (Smart Contracts/Ethereum)?

Asked 2021-Jun-03 at 18:25

I am wondering besides these below mathematical expressions are there any other functions available to call inside a smart contract? Like math functions, like pi, sin, cosine, random() etc?

I am wondering if one can write smart contracts that require a little more than just basic arithmetic.

Below Image is taken from this page: https://docs.soliditylang.org/en/develop/cheatsheet.html#function-visibility-specifiers

...

ANSWER

Answered 2021-Jun-03 at 18:25

Solidity doesn't natively support storing floating point numbers both in storage and memory, probably because the EVM (Ethereum Virtual Machine; underlying layer) doesn't support it.

It allows working with them to some extent such as uint two = 3 / 1.5;.

So most floating point operations are usually done by defining a uint256 (256bit unsigned integer) number and another number defining the decimal length.

For example token contracts generally use 18 decimal places:

Source https://stackoverflow.com/questions/67826253

QUESTION

Invalidating Devise user session identifier after password update

Asked 2021-Jun-02 at 10:41

Scenario: As an Administrator I need to invalidate a user's session (log them out) after I update the user's password. This is in accordance with best practices as per https://cheatsheetseries.owasp.org/cheatsheets/Session_Management_Cheat_Sheet.html#Renew_the_Session_ID_After_Any_Privilege_Level_Change

I am using Devise and I saw here https://stackoverflow.com/a/45756884/664675 there is a config to log the user out: config.sign_in_after_reset_password = false

However, I have enabled this config in my devise.rb but the user remains logged in. Not sure why that is?

I am also using Redis as the session_store

...

ANSWER

Answered 2021-Jun-02 at 07:12

the flag sign_in_after_reset_password does not relate to logout user at all, sign_in_after_reset_password = false imply that in case a user update his account password by himself then do not automatically sign-in his account again, and that logic happen only on PasswordsController#update. So you as admin try to change password of another user in a custom controller, of course it's not logout user no matter the value of sign_in_after_reset_password is.

devise use gem warden to logout user (in other word: destroy user session) and warden base on request session not base on database, that mean there's no way an admin can get another user's session to reset, so you can not force logout another user by only devise, you need to handle this feature outside devise (such as add session to user table or a devise hook something like timeoutable)

reference: https://github.com/heartcombo/devise/issues/5262

Source https://stackoverflow.com/questions/67708821

QUESTION

Swift FontAwesome 5 Pro icons don't show programmatically

Asked 2021-May-26 at 22:14

In my swift app, I am using the pro version fontawesome. I got the name

...

ANSWER

Answered 2021-May-26 at 17:19

Setting the attributed title cancels the titleLabel?.font. Set the font of the attributed string.

Source https://stackoverflow.com/questions/67709599

QUESTION

Issue with FirstPersonController in Ursina

Asked 2021-May-24 at 07:46

I'm using the Ursina engine to create a 3D game. However, when i try to load the FirstPersonCharacter, all I got is a grey background (normal) and a very small magenta square, in the center, tilted at 45°. What is that ?

I was first trying to make my own mechanics for a first person character, move the camera according to the mouse position (I have this), and I was playing with math and stuff for movements... I was looking at this video (https://www.youtube.com/watch?v=DHSRaVeQxIk) for totally something else, and I found out about the FirstPersonController.

But, with the (almost) same code as him, it doesn't work ! What's that issue, has someone already ran into it ? Is FirstPersonController broken ? Or is my brain broken ?

Edit : found out in the ursina cheatsheet that the small magenta tilted square is the cursor. But I still can't move, can't have gravity or anything ? And I can't see my floor.

Second edit : using some piece of code the ursina cheatsheet provided, arranged, I can now see my floor. But I can only move the camera on 1 axis (up and down), I can't move, no gravity, nothing...

Here is my code :

...

ANSWER

Answered 2021-May-22 at 07:57

There is gravity and it has the effect of letting the player fall into infinity. When you move the mouse around to look up, you will see the cubes disappearing into the distance.

The solution is to add collider='box' to your floor cubes to stop the player from falling through. Note that the starting point seems to be inside one of the cubes so you have to jump out of it (using the space bar) or slightly lower your floor cubes' position.

Source https://stackoverflow.com/questions/67588962

QUESTION

R regex quantifier dash vs. comma with {stringr} vs. {pointblank}

Asked 2021-May-09 at 21:52

I'm noticing some odd behavior with R regex quantifiers written as either {min, max} (as recommend in the stringr cheatsheet) vs. as {min - max}, when using the pointblank package. I expect the regexes to work with {min, max} and fail with {min - max}. However, in the two examples below, one works with {min, max} and one works with {min - max}.

Example 1 works as expected: pattern_comma works and pattern_dash does not. But example 2 works unexpectedly: doi_pattern_comma does not work and doi_pattern_dash does work.

Any suggestions about this regex? Or might this be a bug in pointblank (in which case I can open an issue there)?

Thank you, SO community!

...

ANSWER

Answered 2021-May-09 at 21:52

You must not doubt: {min-max} quantifier does not exist, you need to use {min,max}. \d{4-9} throws an exception (try it with sub and you will get invalid regular expression '\d{4-9}', reason 'Invalid contents of {}' ).

Next, the second issue is that the regex is parsed with the default TRE regex engine, and you can't use shorthand character classes like \w or \W inside bracket expressions there, so you need to use [:alnum:]_ instead of \w inside square brackets.

Now, that you know the right regex:

Source https://stackoverflow.com/questions/67456644

QUESTION

Typescript not parsing JSX inside forwardRef

Asked 2021-Apr-27 at 16:59

I'm working with React and Next.js in Typescript and I'm trying to make this wrapper component that will bundle together a Next.js component and a tag:

...

ANSWER

Answered 2021-Apr-27 at 16:59

I was missing something very obvious :)

The filename just had to be renamed from .ts to .tsx.

Source https://stackoverflow.com/questions/67284916

QUESTION

React testing library: how to explicitly reuse rendered component without removing auto-cleanup

Asked 2021-Mar-22 at 20:21

RTLib has auto-cleanup and I want to keep it.
In some cases though, I want to reuse the render result of my component in that way (tests are simplified):

...

ANSWER

Answered 2021-Mar-22 at 16:06

This question is a bit subjective, but as the creator of the library you're using you may be interested in my opinion (especially since you emailed me a link to this) 😉

The alternative you mention is the recommended approach. Read more in Write fewer, longer tests.

Also, I noticed you're calling the return value of render Wrapper which is old cruft from enzyme and I recommend avoiding that as well. Read more about that in Common mistakes with React Testing Library.

I hope that's helpful.

Source https://stackoverflow.com/questions/66656196

QUESTION

Lookup ERROR while trying to log in instagram using Helium/Selenium

Asked 2021-Mar-05 at 15:29

so i am trying to log in using the Helium package which uses selenium under the hood,

i looked into its documentation, but i get a lookeup Error. can anyone help please :(

Here is the github: Helium Cheatsheet

Here is my code:

...

ANSWER

Answered 2021-Mar-05 at 15:29

from helium import*
import time

start_firefox("https://www.instagram.com/")

time.sleep(5)
if Text('Accept cookies').exists():
    click('Accept')
write('user@gmail.com', into='Phone number, username, or email')
write('awesome', into='Password')

press(ENTER)

kill_browser()

Source https://stackoverflow.com/questions/66493418

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

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Install cheatsheet

You can download it from GitHub.

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