Step by step integration solution that shows where substitutions occur without using Wolfram Alpha

I know there is heaps of people’s code around the forum with code that shows step by step solutions for integration. But they don’t specify where certain things happen like substitution (u sub) or recognition by integration and stuff like that. Is there a code (has to work offline) that can show you what is being made (like u sub, simplify, expand, double angle…) for each step?

Breaking Wifi password knowing its length of 8 [A-Z] alpha (upper-case) characters using Hashcat

I got the WPA handshake, now it’s turn to crack the password using Hashcat. First, I wanted to make a wordlist of passwords [A-Z] the length of 8, but Crunch (the tool in Kali Linux) said it will take 1TB of storage that I don’t have available, so I gave up that way. Is there any way to generate passwords (example: ABCDEFGH) and delete them after its use one by one, during the cracking process?

How long does it take to crack the password with i5-3320M CPU using Hashcat? Is there any other way you recommend?

Given a CFG $G=(V_N, V_T, R, S)$ and one of its nonterminals $v$ determine if there exists a production chain $S \Rightarrow^* v \alpha$?

I am supposed to find an algorithm solving the following problem:

Given a CFG $ \;G=(V_N, V_T, R, S)$ and a nonterminal $ v \in V_N$ determine if there exists a production chain $ S \Rightarrow^* v \alpha$ , where $ \alpha = (V_N + V_T)^*$ .

Not sure if that’s the right term, but in other words we are trying to check if you can yield $ v$ from $ S$ – the starting symbol.

I don’t know anything about the form of the grammar and I can’t convert it into Chomsky’s form as it would introduce new nonterminals and possibly remove $ v$ . Where do I start with this? Any suggestions?

Thanks

23 GB of domain.com.static[4 alpha numeric characters] files and project stats look weird

Looks like after all these years SER has gone mental on my VPS and made it run out of space (I dont really tweak anything for months / years now just leave it running on a healthy VPS)

c:\users\[user]\appdata\roaming\gsa search engine ranker\projects….

Usually 3 or so GB, today 23.6… whats the cause?

What’s a minimum-window alpha beta search algorithm?

I was skimming the Deep Blue overview paper and on page 242 it says: “The search control does not really implement the regular αβ search algorithm. Rather it implements a minimum-window αβ search algorithm. This eliminates the need for value stack.” I know the basics of alpha beta pruning/search, but couldn’t find any reference to minimum-window αβ search algorithm online. Does the algorithm go by a different name nowadays that I might be able to look up somewhere ?

Unity Game too dark on Samsung Galaxy Alpha (LWRP)

I just noticed that my game is way too dark on my old Samsung Galaxy Alpha. The game looks fine in the editor, PC version and on my Samsung Galaxy S7.

I’ve been developing with Unity 2019.2.2f1 so far and read that some versions had this problem I have in older versions, but that it should have been patched already. I upgraded to 2019.2.15f1 just out of desperation, but the problem remains the same.

It’s a LWRP project and I have no clue about lighting yet. There’s no lights added to the project so far and I’m mainly using GUI elements in the game instead of sprites.

View post on imgur.com

View post on imgur.com

I don’t have much experience with quality settings and such stuff, so I’m not sure which settings to post. Please, let me know what sections are important and I’ll edit the post accordingly.

Image quantization for grayscale images with alpha channel

I am looking for algorithm that quantize grayscale image that contains alpha to 4-bits (16 colors). I quite like the effect that is used in IrfanView to decrease color depth, however, I dont know the exact algorithm plus the alpha channel is lost.

Currently I am using Wu's Color Quantizer that works with RGB images. I map my grayscale as R = grey, G = grey, B = alpha. However, this approach is not always correct.

I would also like to be able to keep certain grayscale value, that I specify. Currently, I do that manually by increasing number of pixels of this value.

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