Cheatsheets | code snippets , language cheatsheets | Learning library

 by   TomaszFoster HTML Version: Current License: ISC

kandi X-RAY | Cheatsheets Summary

kandi X-RAY | Cheatsheets Summary

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

A collection of code snippets, language cheatsheets, and development course notes updated as often as I can.
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              Cheatsheets has a low active ecosystem.
              It has 8 star(s) with 2 fork(s). There are 3 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              Cheatsheets has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of Cheatsheets is current.

            kandi-Quality Quality

              Cheatsheets has no bugs reported.

            kandi-Security Security

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

            kandi-License License

              Cheatsheets is licensed under the ISC License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

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

            Top functions reviewed by kandi - BETA

            kandi's functional review helps you automatically verify the functionalities of the libraries and avoid rework.
            Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of Cheatsheets
            Get all kandi verified functions for this library.

            Cheatsheets Key Features

            No Key Features are available at this moment for Cheatsheets.

            Cheatsheets Examples and Code Snippets

            No Code Snippets are available at this moment for Cheatsheets.

            Community Discussions

            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

            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

            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

            How to change `ggplot2` output to grey level?
            Asked 2021-Jan-22 at 10:17

            I am looking for a smooth way to change a ggplot2 output to grey level.

            Here an example:

            ...

            ANSWER

            Answered 2021-Jan-22 at 10:17

            I'm not quite sure where the confusion is coming from, as your intuition seems totally correct to me. When I use the scale_colour_grey() is does exactly what you would expect and what you describe should be the outcome.

            Source https://stackoverflow.com/questions/65842602

            QUESTION

            Is there XSS risk when using a template literal with an untrusted string to set an attribute value?
            Asked 2020-Nov-22 at 22:41

            I'm building an iframe, not with innerHTML, but with createElement.. I have two untrusted strings that are used:

            ...

            ANSWER

            Answered 2020-Nov-22 at 21:52

            When working with the DOM, there are no html encoding issues in any element properties. The characters <, >, &, ", and ' do not need escaping.

            However, you still need to deal with the semantics of the respective attribute. While title is just a plain string that's not used for anything but displaying tooltips, others are not safe:

            • on… event handlers contain javascript code. It's a bad practice to assign strings to them anyway, but if you do, interpolating values must follow javascript escaping rules.
              Rule #3
            • style properties contain CSS rules which need their own escaping.
              Rule #4
            • src or href attributes are urls that the browser will load at some point. Those definitely are sensitive, and when interpolating values into urls you need to follow URL encoding rules.
              Rule #5
            • (not meant to be exhaustive)

            In your particular case, if you fail to url-encode the untrustedStr2, the attacker may send arbitrary query parameters or fragments to example.com. This is not a security issue in itself if example.com isn't susceptible to reflected XSS (the attacker may send the same link to the user via other channels), but it is broken functionality (undesired behaviour), but still it's your page endorsing the linked content.

            So if untrustedStr2 is meant as a value of the id URI query parameter, you should definitely use

            Source https://stackoverflow.com/questions/64959723

            QUESTION

            Nuxt Middleware with Firebase and FirebaseUI: Error: Redirected when going from "/anything" to "/login" via a navigation guard
            Asked 2020-Oct-30 at 16:54

            Nuxt SSR app using FirebaseUI to handle auth flows. Logging in and out works perfectly. When I add Middleware to check auth state and redirect if not logged in I get this error:

            Error: Redirected when going from "/list-cheatsheets" to "/login" via a navigation guard.

            middleware/auth.js

            ...

            ANSWER

            Answered 2020-Oct-29 at 23:10

            QUESTION

            How to set absolute session timeout for a Spring Session
            Asked 2020-Sep-08 at 05:18

            As per OWASP sesssion's must have an absolute timeout which defines the maximum amount of time a session can be active. I know how to set the max inactivity timeout for a spring session using server.servlet.session.timeout however I am not sure how to set the absolute timeout for the session. I guess I could set the Max-Age attribute for the Cookie which would potentially serve as an absolute timeout, however I was wondering if the absolute timeout could be somehow set on the server side session?

            ...

            ANSWER

            Answered 2020-Sep-08 at 05:18

            This feature is not implemented in Spring sessions. See https://github.com/spring-projects/spring-session/issues/922 for workaround.

            Source https://stackoverflow.com/questions/62964012

            QUESTION

            Prevent XSS in NodeJS API output
            Asked 2020-Sep-05 at 19:43

            I'm familiar with using templates in NodeJS like EJS to escape data for an HTML context.

            However what would be the recommended way to safely output from an API? Given the intended usage is not known, it couldn't be escaped using HTML encoding.

            Since I'm currently basically just doing res.json({}) for the output.

            I'm thinking while some fields of incoming data can be validated (like 'email'), other fields that are more vague (like 'description') could contain any of the characters someone might use for XSS. Like < and ;. The options on OWASP seem limited https://cheatsheetseries.owasp.org/cheatsheets/Nodejs_Security_Cheat_Sheet.html Like this, but it was last updated 7 years ago https://github.com/ESAPI/node-esapi

            Is it up to the recipient to handle? So if someone sends "alert(0);" as their description, I allow it through, as that is a valid JSON {"description":"alert(0);"}

            ...

            ANSWER

            Answered 2020-Sep-05 at 19:43

            If someone wants to send in a description let them do so. They may have perfectly valid and legitimate reasons to do that. Perhaps they're writing an article about security and this is just an example of an XSS attack.

            This isn't a threat to your database but to your web pages.

            Security is neither a server-only nor a client-only job. It's a bit of both and the way you mitigate threats depends on the context.

            When writing to a database, it's not XSS you have to worry about but things like SQL injection for example.

            XSS is a threat for web applications and the way to mitigate that threat is to properly encode and/or escape any user-controlled input before it gets into the DOM.

            Source https://stackoverflow.com/questions/63746843

            QUESTION

            How do you use xpath to find an element with two specific descendants?
            Asked 2020-Sep-02 at 19:59

            I have an unordered list of list items containing elements for labels and values that are dynamically generated. I am trying to validate that the list contains a specific label with a specific value.

            I am attempting to write an xpath that will allow me to find the parent element that contains the defined label and value with protractor's element(by.xpath). Given a list, I need to be able to find any single li by the combination of two descendants of specific attributes. For example, a li element that contains any descendent with class=label and text=Color AND any descendent with text=Blue.

            ...

            ANSWER

            Answered 2020-Sep-02 at 13:02

            The reason you are getting invalid xPath is because:

            The |, or union, operator returns the union of its two operands, which must be node-sets..

            However since you have used inside one node you are getting issue. To meet your requirement below xpath will work just fine:

            Source https://stackoverflow.com/questions/63703407

            QUESTION

            How to read a table into R from a PHP website
            Asked 2020-Sep-01 at 21:46

            I'm looking at an R script that I found online related to fantasy football predictions, and the code is a little outdated so I'm trying to make it work for this season of the NFL. I am somewhat familiar with R but I don't know anything about HTML or PHP, and in order to gather the player's data I need the table from this URL: http://www.fantasypros.com/nfl/rankings/consensus-cheatsheets.php

            This is the line of code that they used to extract the table, but it doesn't seem to work anymore.

            experts <- data.table(readHTMLTable("http://www.fantasypros.com/nfl/rankings/consensus-cheatsheets.php", stringsAsFactors = FALSE)$data)

            It simple says Error: failed to load external entity "http://www.fantasypros.com/nfl/rankings/consensus-cheatsheets.php"

            I've looked up different ways to pull tables out of a website, but they are all unique to that particular table. Any way I could get all of this data into a data frame in R?

            ...

            ANSWER

            Answered 2020-Sep-01 at 21:46

            I've had the same problem and the easiest workaround I found for this issue is downloading the file before loading it into R. Since you want to turn the HTML file into a table, the best solution is using readHTMLTable(), then you'll load a list of data frames. Here follows the code to solve it:

            Source https://stackoverflow.com/questions/63695285

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            You can download it from GitHub.

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