bitcoind – was libbitcoin part of the bitcoin kernel in the past?

I'm trying to use c++ Antonopoulos's book code for quite some time and it seems to me lacking a include appointed bitcoin/bitcoin.hpp.

To compile the code g++ compiler gets a pkg-config entrance with libbitcoin. So I guess I should install this library.

Since the book does not mention installing anything else then bitcoin core I really wonder if parts of libbitcoin have been part of bitcoin core and were excluded at some point.

The other explanation would be that the author forgot to mention it. But it seems a little overloaded that I need to install another complete system for a complete node (libbitcoin) to be able to execute the code since the book explicitly states that the execution of a complete node with bitcoin core should be enough.

It's a minor and probably laughable thing for a domain expert, but I'm also learning to use pkg-config and the compiler by doing that.

There have been suggestions for just installing parts of libbitcoin but the developers have said that it is advisable to install the complete thing with the automatic installation script.

There is also libbitcoin-devwhich is a package in debian (I run Raspbian Buster), but I could not compile the code with it.

share – Do I need the "e" part of a URL when sharing a SharePoint resource?

What it's like to share a file / folder from OneDrive or from a SharePoint site, I've noticed that, sharing the same file twice, without changing the path, the file name or the scope of the share, two different URLs are generated. Preferably, I want a "permanent link" for the same file, assuming that its path or extent of sharing is not changed, so that it can easily be shared now and forever with anyone.

For example, I have a SharePoint file that I want to share externally, read-only. However, I noticed that link creation a second time via Share, most of the URLs are the same as the first time but the end differs …

https://virgilholdings.sharepoint.com/:w:/s/IT/ZJincz11Hr0f-wGwzA7cBH9G4MVwPdtYwQHpfbtNQPw? e = vfRdjQ

https://virgilholdings.sharepoint.com/:w:/s/IT/ZJincz11Hr0f-wGwzA7cBH9G4MVwPdtYwQHpfbtNQPw? e = NkxNPy

Note: I changed the URLs to invalidate them. These are only examples.

I tried to delete the single portion (e = xxx) and the link was still working, apparently. It would be convenient to use the file Share feature every time I want to get the share link (for the same scope of sharing, for example externally, read-only), but that I have to consider the part that changes each time, it's -to say e = xxx? What is its purpose? I can not find a reference online.

c ++ – Replaces part of the string by the size n by the size string m

I wanted to better understand memory and indicators before I tried to manipulate the file path for larger projects. It's simple replace part of the chain test function that I have to rewrite in struct to appeal to. I've used oscilloscopes to test memory leaks and modifications. I work under Windows 7, CygWin and Notepad ++.

size_t get_str_size(const char* temp){
            size_t s=0;
            while( temp(s) != '' )s++;
            return s;
        }

int main(int argc, char **argv){ 

    const char * temp = "sublime/subliminal/sfit.exe"; // example string
    std::cout << &temp << "t" << temp << std::endl; // prints out address and value
    { // wild scope to help me navigate and debug
        const char* shitcake = "sfitcake"; // string to be put in place of sfit
        size_t ldelim = 0;  // / last delimiter 
        size_t edelim = 0;  // . end delimiter
        size_t original_size = get_str_size(temp);

        // finding the necessary indexes of charachters  
        for( int i =0 ; i <= original_size; i++ ){
                if( temp(i)=='/' ){ldelim=i;}
                if( temp(i)=='.' ){edelim=i;}
            }

        // calculating size that influences the char array
        size_t old_size = edelim - ldelim -1;  // current char array size(-1 to remove last delimiter)
        size_t new_size = get_str_size(shitcake); // new char array size

        // char array duplication , since original string is const
        char* tempcopy = new char(original_size); // holds the copy of the temp
        for( int i =0 ; i < original_size; i++ ){ tempcopy(i) = temp(i); }

        // value to be constructed
        char *new_version = new char( original_size + (new_size-old_size) );

        // filling the part before replacement happen       
        for( int i =0 ; i <=ldelim; i++ )               { new_version(i) = tempcopy(i); }
        // filling replaced char array
        for( int i =0 ; i <= new_size;i++ )             { new_version(i+1+ldelim) = shitcake(i); }
        // the rest of original string
        for( int i =edelim ; i < original_size;i++ )    { new_version(i+old_size) = tempcopy(i);}

        //conversion back to const char* with expanded size and new value
        temp = (const char*)new_version;

        //deleting pointers
        delete tempcopy;
        delete new_version;
    }
    std::cout << &temp << "t" << temp << std::endl;

    return 0;
}

The result I receive is:

0xffffcbb8  sublime/subliminal/sfit.exe
0xffffcbb8  sublime/subliminal/sfitcake.exe

This means that it works, but I'm afraid that the pointer does not change the memory address even though the size and value have changed.

Main concerns and desires for the code:
- Elimination of chances of pointer hanging and memory problem
- Quick and readable code

2013 – Custom Image Header for the Ad Web Part

In SharePoint 2013, I want to use an image as a header for the top of an Ad Web Part, but I do not see how to attach it directly to the Web Part. I've considered placing a web content publisher portion above, but there is too much white space between the two web parts. Ideas?

nt.number theory – The asymptotic of $ sum_ {1 leq n leq x} G_n { frac {x} {n} } $, which implies the fractional part function and the reciprocal logarithmic numbers

While I was interested in (1), I was wondering what about the asymptotic behavior of $$ sum_ {1 leq n leq} G_n bigg { frac {x} {n} bigg }, $$ or $ G_n $ denotes the Gregory coefficients or the reciprocal logarithmic numbers, see if you need the Wikipedia of the title Coefficients of Gregory, and with $ {z } $ we designate the function of fractional part.

Then I think that it's possible to prove $$ sum_ {1 leq n leq} G_n bigg { frac {x} {n} bigg } = o (x) $$
as $ x to infty $ invoking Axer's lemma, and now I was wondering if it was possible to deduce a more precise statement.

Question. Is it possible to obtain a more quantitative / precise statement on the asymptotic behavior of $$ sum_ {1 leq n leq} G_n bigg { frac {x} {n} bigg } $$
as $ x to infty $? If that is in the literature, or if one can get it easily from the literature proposals, refer it and I try to look for and read the deduction of the literature. Thank you so much.

References:

(1) Michel Balazard, Basic notes on the function of Möbius, Proceedings of the Steklov Institute of Mathematics, Volume 276, Number 1, p. 33-39 (April 2012).

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Gutenberg Reusable Block as part of the WordPress Theme Page

I'm using the "Twenty Nineteen" (kid) theme of WordPress. What I'm trying to do is include one of my reusable Gutenberg blocks previously created as part of the theme index.php file.

The reason is to be able to quickly and easily change what is displayed at the beginning of the home page, just above the list of entries / messages.

In other words: is it possible to include in php the reusable Gutenberg block previously created?

What part of the system will the secure boot cover?

Context: We are developing for a Debian 9.8 system, but the space in which we operate is dominated by embedded devices.

According to Wikipedia, secure startup can "secure the boot process by preventing the loading of drivers or operating system loaders that are not signed with an acceptable digital signature". I suppose that means that the kernel level code is protected, but the user level code is not.

I have a terminological confusion with my boss, who has the impression that secure startup can protect the entire operating system. I think Secure Boot can only secure the entire system when the computer in question is an integrated device (you will never receive software updates, so you can group all the executable items and sign them ). If the device is your typical PC, the secure boot can hardly keep it secure (your PC constantly receives software updates, which means that an executable block would change all the time, which would require you to recalculate / sign the entire block again with each update).

Am I right, or is he? Is there a simple way to extend Secure Boot protections to our custom software at the user level? Is there anything similar to secure startup that I should consider to secure user-level software?

Online Sharepoint Only, Web Part: SQL Server Query Attempt

Let me first say that I am sorry if this message seems rather vague. It's been weeks since I tried to connect to SQL Server from a custom Web Part that I create with the help of Visual Studio Code, TypeScript, Node.Js, and Yeoman @ microsoft / generator-sharepoint "No JavaScript framework". I tried using the mssql module directly but it did not work, so I tried using tedious and it did not work. I've discovered that you can not use them directly from the browser. I've therefore tried Knex and TypeORM, both of which state in the documentation that you can use them from the browser, but again, nothing worked. Here is my article on github about the problem I've encountered with Knex github 2069 This.driver.connection is not a constructor. I was unable to solve this so I tried TypeORM and encountered the following error: Can not find module 'tls'.

So, my question is:
Can any one give me examples, documentation or anything that I could use to learn how to connect to SQL Server from my web part and make a simple query? Again, I'm sorry if I ask for something stupid here, but I'm trying to learn new languages ​​in a new environment and the last time I did a coding Classic Web with ASP was in fashion. I got beaten up on another site for asking something similar, so I do not really know what to do or who to ask.

Thank you for your time

finite groups – taming a part of a character

Here is just a question of terminology. I can not find any reference on the Internet.
Let $ p> $ 3 to be a first and $ N = N_0 times p ^ r $ with $ (N_0, p) = 1, r geq 1 $. We have a character $ chi colon ( mathbb {Z} / N mathbb {Z}) ^ ast rightarrow mathbb {C} ^ ast $.
We know that $ ( mathbb {Z} / N mathbb {Z}) ^ ast = ( mathbb {Z} / N_0 mathbb {Z}) ^ ast times mathbb {Z} / (p-1) mathbb {Z} times mathbb {Z} / p ^ {r-1} mathbb {Z} $. What is tamed $ p $-part of $ chi $ mean?