kandi X-RAY | mana Summary
kandi X-RAY | mana Summary
SDL, SDL_gfx, SDL_image, SDL_mixer, SDL_ttf, SDL_net (Media framework). libxml2 (XML parsing and writing). ENet (UDP networking library).
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Top functions reviewed by kandi - BETA
Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of mana
mana Key Features
mana Examples and Code Snippets
function affineCipher(method, string) {
let a = 5;
let b = 7;
let n = 26;
function encrypt(char, isUpperCase) {
const p = char.charCodeAt() - 97;
const c = ((a * p + b) % n) + 97;
return isUpperCase
? String.fromCharCode(c)
Community Discussions
Trending Discussions on mana
QUESTION
So over the past few weeks I have been testing out FirebaseAuth both for the web and Android and the experience has been mostly bad. I have tried to add as much information as I can to give you enough context.
My Goal
My EndGoal is to make a package to simplify FirebaseAuth in Flutter Basically, the StreamBuilder runs on the authStateChanges stream from FirebaseAuth, It gives a user immediately after signIn or when I reload the whole page (Flutter Web) but doesnt return a user during hot reload eventhough I know the user has been authenticated. It works again when i reload the webpage. This does not exist in Android and it works as expected. Its very frustrating, and i could use some help from anyone!
Flutter Doctor
...ANSWER
Answered 2021-Jun-03 at 12:01I just Found a Solution to this problem! Basically the FireFlutter Team had fixed a production level bug and inturn that exposed a flaw of the Dart SDK. As this was only a Development only bug (bug only during Hot Restart), it was not given importance.
In my Research I have found that the last version combination that supports StreamBuilder and Hot Restart is
firebase_auth: 0.20.1; firebase_core 0.7.0
firebase_auth: 1.1.0; firebase_core: 1.0.3
These are the only versions that It works properly on. Every subsequent version has the new upgrade that has exposed the bug.
The Solution is very Simple! Works for the latest version (1.2.0) of the firebase_auth and firebase_core plugins too!
Firstly Import Sharedpreferences
QUESTION
I want to call if the member is a function. How to do that in typesript.
Does typescript discourage dynamic typing ?
...ANSWER
Answered 2021-Jun-02 at 04:01Mostly what's happening here is that TypeScript does not use control flow analysis to narrow the type of a property if the index is performed using bracket notation (like obj[propName]
) instead of using dot notation (like obj.xyz
). This is considered a bug in TypeScript; see microsoft/TypeScript#10530, and it hasn't been fixed because the fix slowed down the compiler too much, and because it's not clear how to do this safely in all situations (See this comment on a related issue for more information).
The workaround that one generally uses here is to save the property into its own variable, and then use control flow analysis to narrow that variable:
QUESTION
Let's say I want to have a schema for characters from a superhero comics. I want the schema to validate json objects like this one:
...ANSWER
Answered 2021-Jun-01 at 10:03You need to use the additionalProperties
keyword.
The behavior of this keyword depends on the presence and annotation results of "properties" and "patternProperties" within the same schema object. Validation with "additionalProperties" applies only to the child values of instance names that do not appear in the annotation results of either "properties" or "patternProperties".
https://json-schema.org/draft/2020-12/json-schema-core.html#rfc.section.10.3.2.3
In laymans terms, if you don't define properties
or patternProperties
the schema value of additionalProperties
is applied to all values in the object at that instance location.
Often additionalProperties
is only given a true
or false
value, but rememeber, booleans are valid schema values.
If you have constraints on the keys for the object, you may wish to use patternPoperties
followed by additionalProperties: false
.
QUESTION
i am dealing with a school project and when i run the program,it needs to give a organized output .i tried to align it to the right side but it clearly didn't work as it can be seen. how can i reach the expected output?
code:
...ANSWER
Answered 2021-May-27 at 20:43Check this out and compare it with your code. I've just added and removed few endl
, added one setw(36)
in else
block and re-modified some space sequence
QUESTION
I have this JSON in my js script that goes on for another 150 elements :
...ANSWER
Answered 2021-May-25 at 18:11const champs = champList.map(obj => {
const champ = obj.data
return Object.values(champ)
})
QUESTION
ANSWER
Answered 2021-May-09 at 14:19hi you have several mistake. you dont defined damageh and numberofattacksh in constructor. then your class cant find them and give you an error. I defined that and i gave them 0 as default. of course you can change thahs.
this is your Code:
QUESTION
When clicking on the Test button below, 2 copies of the object are pushed into the array.
Can anyone explain why this happens? I only expected 1 object.
...ANSWER
Answered 2021-Apr-17 at 00:51I am assuming you are using strict mode. React in many cases has state callbacks fire twice in order to catch state management mistakes that can occur in production.
It's specifically the callback argument to this.setState that is run twice - the first result is thrown away, and the second one used. This should make no difference, but does here because the underlying state is being mutated: things is only a shallow copy of prevState.things, so using .find and then mutating the found object causes the apparent double-update. - Robin Zigmond
See:
You can deep copy the array easily (not necessarily performant) by using JSON.parse(JSON.stringify(thingy)) as seen below.
[also added error handling if the id doesn't exist.]
QUESTION
When I call db.index.fulltext.queryNodes() on an index, can I run another full-text query on the result? I need to search my database on 7-8 different properties across different Labels with different search parameters for each property. How do I go about it? If I use the reduce() function or apoc.coll.intersection and try to get an intersection, like...
...ANSWER
Answered 2021-Apr-14 at 05:55You best use subqueries if using Neo4j 4.1+ :
QUESTION
I am trying to use NGINX on AWS for a reverse proxy to run a Node server. If I go to https://example.com/ , my connection is secure and everything is fine. But, when I go to http://example.com/ , no reroute occurs, and my connection is not secure. I am also using pm2 to run the Node server in the background.
I have tried the default server block reroutes that come up when I google the issue, but nothing has worked so far. My guess is that Node is handling requests on port 80, since my website comes up the way it did before I had my site fully set up. But I have no clue how to fix that.
Here are my server blocks in /etc/nginx/nginx.conf:
...ANSWER
Answered 2021-Apr-11 at 08:25If anyone else has had this issue, I managed to fix the problem. After trying everything under the sun, I remembered that I messed with my iptables when following an online guide to remove the port number from the address. I fixed my issue by wiping my iptables config, and since I was using a proxy I didn't need to reroute the port.
QUESTION
In the example below I make two objects from a class, then write the details passed in to the CSV file. The objects and CSV file are created just fine, but depending on when I do the write - it will or will not work.
The issue is in the block:
...ANSWER
Answered 2021-Mar-29 at 12:43Each time you call the constructor of Character
, the header is written to the csv file and all contents of the file are discarded. Try to write header only once. In another answer of mine there is a write function, which writes the header only if not already written.
Try it like this:
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