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On GNU/Linux terminal, when I add --help to commands from GNU packages, I get a help text that is formatted in a very consistent way. These help texts list the options accepted by that command with this format:

option characters, long options ............ [aligned] explanation of the option

For example, this is a part of the help text of the man command:

I have a big problem with my code. I am a beginner and trying to program a vocabulary trainer with a gui but im already failing. I know my code is probably very bad but I am trying to understand the problem. Here is my code:

I am trying to create a menu-driven application that uses If-Else statement. Unfortunately, it always results in the Else or Exit message. What's wrong with my code? Thank you!

Flutter is good for the future or react native is the best and what the best for mobile and whatis good for mobile development to future and what is good career crossplat form or android developer

I ran over the following code

I just cannot grasp how the computer would possibly evaluate such code such that cte_count will ever terminate.

In my mind it works like this:

1. cte_count is a table which contains a column called n containing 1 and the result of (Recursive Member)

First of all: Whatis n + 1 supposed to mean? n is the name of a column, as far as I am concerned.

Assuming that n + 1 just increases somehow a counter: Secondly, how will the termination condition ever be checked, when cte_count will be evaluated before.

I hope someone can make clearer how such Queries work.

for a project of mine i wanted to know exactly how hyperledger fabric works exactly.

There is no shortage of documentation on how you can use this technology, I am really glad for developpers around there but i'm not a developper, I have to understand exactly what kind of algorithm are used in order to justify if we consider this technology safe or not. I obviously already know that it's probably safe, but it's not really enough for me to know that.

And while doc regarding usages and all are easy to find, finding doc on how it works in the background, and what kind of algorithm are used, is harder.

Nothing is stated regarding cryptographic algorithm in the official github documentation, as far as i know, and the only tiny bit of crypto that i found was on actual code from github, the internal part. I can more or less search what I want there, but I'm really in need of a technical documentation that i can quote and I just don't find it.

If you have some links to a technical doc, please let me know, in short what i search :

• Details on blockchain storage

• Cryptography behind hyperledger fabric, what kind of hash fonction it use ?

• Exactly what forms have data in the blockchain, what format ?

I'm here if I weren't clear about what i need. Not a native english speaker so if I wrote some mistake I hope it was bearable

Edit : now that i have more or less my solution, i'll share one more helpful link related to the documentation that i found, who talk about how tls is used with fabric.

After concluding the first lecture of Harvard's AI course on edX, I have decided to implement the concepts taught, first being the depth-first search algorithm.

The objective of this program is to input a maze in text file mazefile and find a path from S to G using the depth-first search algorithm.

The project currently consists of 4 files, (1) the code with the class methods to operate or use the (2) text file which contains the maze, another text file (3) that contains the result file (where the AI has explored) and the main python script (4). Here they are, feel free to copy and paste these into a folder and to see how they run.

processText.py (file 1)

I have this following query that returns two columns table names and field names: sample s sample record: table ='TABLOCTYP' field name='TYPDES', The query returns records 206 rows. We are using SQL Server 2012.

I'm trying to use Cursors on Objectify v5 but when following the example I get an exception thrown.

My code: