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Linux, question on the symbol у

Marcee last edited by

For which a sign is used in some consoling teams | (vertical)?
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Rossere last edited by

It's a so-called conway that allows one team to be transferred directly to another entrance. For example, ls | wc -l Transfer the team's withdrawal. ls team wc -land thus there will be a calculation of the number of records in the current catalogue - ls Issue the text (in fact, a set of byte) consisting of several lines, but wc -l They'll count. A cat file.txt | grep -i michael Give the contents a file.txt to the front of the grep team, will find all the lines of entry. michael♪
More detailed reading http://xgu.ru/wiki/%D0%A1%D1%82%D0%B0%D0%BD%D0%B4%D0%B0%D1%80%D1%82%D0%BD%D1%8B%D0%B5_%D0%BF%D0%BE%D1%82%D0%BE%D0%BA%D0%B8_%D0%B2%D0%B2%D0%BE%D0%B4%D0%B0/%D0%B2%D1%8B%D0%B2%D0%BE%D0%B4%D0%B0 ♪
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What is the linux core module running the ip protocol?
Software Programming • linux sit tcp ip • • Rossere

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2003: http://www.staroceans.org/kernel-and-driver/Prentice%20Hall%20-%20The%20Linux%20Networking%20Architecture%20Design%20and%20Implementation%20of%20Network%20Protocols%20in%20the%20Linux%20Kernel.pdf 2013 presentation: https://www.slideshare.net/divyekapoor/linux-tcp-ip-presentation 2021 baseline: https://github.com/torvalds/linux/tree/master/net Implementation of TCP/IP:For IPv4 https://github.com/torvalds/linux/tree/master/net/ipv4 For IPv6: https://github.com/torvalds/linux/tree/master/net/ipv6 In addition to TCP/IP, Linusc core supports many other protocols. They're in catalogues inside. /net♪A brief description of how the package is formed, you'll find it in the presentation. The code that builds the packages and sends them to the online interface will be found in links.
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postgresql: accept subdomain wildcards?
SQL, Database Testing • postgresql ubuntu • • kalyn

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From the manual: address Specifies the client machine addresses that this record matches. This field can contain either a host name, an IP address range, or one of the special key words mentioned below. ... If a host name is specified (anything that is not an IP address or a special key word is processed as a potential host name), that name is compared with the result of a reverse name resolution of the client's IP address (e.g., reverse DNS lookup, if DNS is used). Host name comparisons are case insensitive. If there is a match, then a forward name resolution (e.g., forward DNS lookup) is performed on the host name to check whether any of the addresses it resolves to are equal to the client's IP address. If both directions match, then the entry is considered to match. ... A host name specification that starts with a dot (.) matches a suffix of the actual host name. So .example.com would match foo.example.com (but not just example.com). In other words, use host all all .mydomain.com md5 or similar in pg_hba.conf, along with reverse DNS configured appropriately as above.
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How to complete the logic of replacing the tabulation symbol on any other symbol
Software Programming • c language linux • • Raziyah00

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Actually, there's no specific number of symbols. Tabulation in N symbols, which N can be different from different vectors/revisers, means that the next symbol will be in the nearest position exceeding current and repeated N.So, in general, you need to read the lines, and in each line, how many gaps are added - for example, in the tabulation of 4 row symbols \tab\tcd ♪ ####ab##cd i.e. tabulation symbols are replaced by different numbers of other symbols.The simple replacement in the file doesn't work now, so it's better to write in another file, which then replaces the original. ♪ ♪
Windows and Linux on one computer, safety
Software Programming • linux security • • Laycee

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From vinda, default, Linux's file system won't read. But everything, depending on the hands of a man, his desire and his free time.
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Packages in linux
Software Programming • linux ubuntu • • guilherme

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Don't do that!i.e. the markings refer to the display ubuntuI'll say a few words about pseudo-packing programmes in deb-packet (natural, distributives) debian gnu/linuxNot ubuntuhis direct " heir " .The right path of package is described in the https://www.debian.org/doc/manuals/maint-guide/index.html section https://www.debian.org/doc/manuals/maint-guide/first.html ♪but to create primitive and completely " wrong " (in terms of https://www.debian.org/doc/debian-policy/index.html (a) The package can easily be done by using the programme https://manpages.debian.org/stretch/dpkg/dpkg-deb.1.en.html ♪Let's say we have a name file in the current catalogue. myscript:$ cat myscript #!/bin/sh echo hello from $0 $ chmod +x myscript $ ./myscript hello from ./myscript We'll be in the catalogue. pkg (name arbitrarily): First, we'll bury the violin:$ install -D myscript pkg/usr/local/bin/myscript Then we attach the minimum contents of the " control-file " , describing the package:$ cat control Package: myscript Version: 0.0 Architecture: all Description: myscript $ install -D control pkg/DEBIAN/control This is the contents of the catalogue. pkg:$ tree pkg pkg ├── DEBIAN │ └── control └── usr └── local └── bin └── myscript 4 directories, 2 files Now, we're gonna make a file of these shoes with a bag:$ dpkg-deb -b pkg myscript.deb dpkg-deb: warning: parsing file 'pkg/DEBIAN/control' near line 5 package 'myscript': missing maintainer dpkg-deb: warning: ignoring 1 warning about the control file(s) dpkg-deb: building package 'myscript' in 'myscript.deb'. Check " installation " and incapacity:$ docker run --rm -ti -v $(pwd):/root debian:9 sh -c 'dpkg -i /root/myscript.deb && myscript' dpkg: warning: parsing file '/var/lib/dpkg/tmp.ci/control' near line 5 package 'myscript': missing maintainer Selecting previously unselected package myscript. (Reading database ... 6491 files and directories currently installed.) Preparing to unpack /root/myscript.deb ... Unpacking myscript (0.0) ... Setting up myscript (0.0) ... hello from /usr/local/bin/myscript All right, the bullet we've been blinded from the shit, has managed to get somewhere!
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RDRAND in Intel Celeron CPUs under Linux
Security, Penetration Testing • linux random • • magpie

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The reason people are concerned about the RDRAND instruction is that it is a proprietary hardware random generator and has never been formally analyzed. Without that analysis, there's no way to tell if it's a genuine hardware random number generator or, for example, a simple counter being passed through a cryptographic hash. In the latter case, the output will look random, but someone who knows the starting point of the counter knows exactly what numbers will be generated. Anyone can look at the Linux source code for /dev/random and confirm that the kernel is mixing RDRAND output into its entropy pool in a way that doesn't reduce the amount of randomness available, even if RDRAND is hopelessly biased. Whether you can trust RAND_bytes or not is a judgement call you'll have to make for yourself, but what I can say is that running it on a Celeron with RDRAND is no worse than running it anywhere else.
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How do you put symbols in a text of 2,000 and more symbols to those 2,000 symbols on Python?
Software Programming • python python 3.x discord.py wikipedia • • Pearlaqua

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Cut to 2,000 symbols, then cut to the last point (remove the last unfinished sentence) or leave it as it is (if the point is not found):# "qwer. tyui. yui".rpartition('.') -> ("qwer. tyui", ".", " yui") # "qwer tyui yui".rpartition('.') -> ("", "", "qwer tyui yui") left, dot, right = text[:2000].rpartition('.') text = left + dot if left else right # вернуть left + dot, если в left что-то есть, иначе вернуть right print(text)
Question of mod_rewrite
Software Programming • php url modrewrite • • morde

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# Правило для главной страницы RewriteRule ^\/?$ public/index.php?title=default [L,QSA] #Правило для остальных страниц RewriteRule ^[a-zA-Z0-9]+\/?$ public/index.php?title=auto [L,QSA] Regrettably, with Russian letters, this magic will not roll (in any case the trivial code is so precise), but there is no reason for us to transmit the Russian GET's meanings (in the rules, this is done with the QSA flag).For example of the transmission of fully Russian GET parameters, we will write a simple PHP code: header("Content-Type: text/html; charset=UTF-8"); // мы не хотим крякозябров if(!empty($_GET['язык'])) { echo 'Вы выбрали ' . $_GET['язык'] . ' язык'; } Naturally, this code will be placed in index.php, injecting into URL like mysite.ru/? And we'll see that everything works perfectly.
Prohibition of the introduction of symbols in Linux Consol on C++
Software Programming • c++ linux • • Mystic

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That's what I'm thinking. It looks scary, but it works as I wanted. There's a mistake when the number is too large.#include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <termios.h> #include <iostream> #include <cstdlib> #include <algorithm> #include <string> #include <sstream> using namespace std; int RotateNumber(int number) { std::ostringstream output_stream; int result; output_stream << number; std::string str_number = output_stream.str(); std::reverse(str_number.begin(),str_number.end()); std::istringstream input_stream(str_number, std::istringstream::in); input_stream >> result; return result; } int main() { char c; int temp; int tempp = 1; int end = 0; struct termios tty, savetty; while (true){ fflush(stdout); tcgetattr(0, &tty); savetty = tty; tty.c_lflag &= ~(ISIG | ICANON); tty.c_cc[VMIN] = 1; tcsetattr(0, TCSAFLUSH, &tty); read(0, &c, 1); tcsetattr(0, TCSANOW, &savetty); if ( c == '0' || c == '1' || c == '2' || c == '3' || c == '4' || c == '5' || c == '6' || c == '7' || c == '8' || c == '9') { temp = c - '0'; end += temp * tempp; tempp *= 10; } else { system("clear"); cout << RotateNumber(end); } } return 0; }
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Group of symbols between / and */
Software Programming • java • • Duquan

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String str="jdsdjsjsjsdjsdsjds/*1группа*/jajsjjajajssja/*2группа*/sjajajasjsajs"; //разбиваем строку List<String> groups = Arrays.stream(str.split("/")) //отбираем начинающиеся на * .filter((s) -> s.startsWith("*")) //отбираем заканчивающиеся на * .filter((s) -> s.endsWith("*")) //Убираем символ * .map((s) -> s.replace("*", "")) //Собираем в список .collect(Collectors.toList());
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Questions with JSF
Software Programming • java mvc jsf • • baileigh

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For you to understand about the sessions, I suggest you from a study in JSF life cycle. But in short, it follows an image to illustrate the situation. Here's a very interesting article: https://www.devmedia.com.br/ciclo-de-vida-do-javaserver-faces-jsf/27893 In short, you may have to control the objects of your "Bens":Request Scope: all objects stored in the request scope, survive only one submission to the JSF life cycle (which I will explain in another post). With this we have a duration that matches the request being sent to the server, and it returns the response to the user who fired the action. It has the shortest life time among the scopes, thus the objects remain for a short time in memory being released more often and with this we have an application that tends to scale better.Session Scope: all objects and attributes linked to ManagedBean will survive throughout the user session. The session is defined by the user browser link with the server. In this way, if you open two browsers, it will be creating two sessions with the server. This scope was widely used in the versions of JSF 1.x, to work in cases where it was necessary to maintain the state of objects, currently this need can often be resolved through View Scope.Application Scope: everything stored in this scope remains while the application is running and is shared among all users. It is recommended whenever it is necessary to store information that can be used by various parts of the application as parameters and also to implement features to provide communication between users. This scope is also interesting to work with manual value caches, such as list of states.View Scope: added from the JSF 2 version, it was created to solve the problem of always using session when it was necessary to keep the data between requests and that does not cost both the application. View Scope supports the statefull model of the framework, where you can keep the data during how many requests are needed, provided that all of these are made for the same view. If a request is executed for a different page and/or ManagedBean, the scope is cleaned, thus avoiding unused objects to remain alive for a long time (if it occurred in the session scope).
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Removal of files on server names
Software Programming • linux bash shell • • kalyn

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Read all the masks from the file and deliver the dividers in the form. -or♪ But first on every line -name♪sed 's/^/-name /;2~1s//-or /' файл_масок.txt | \ xargs -r find ./www -maxdepth 2 -type f | xargs -r rm --
How do you get the symbols from the line (all symbols individually)?
Software Programming • javascript html • • irl

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split('') I just don't understand the meaning of this task if the line is already a mass.var splitTxt = document.getElementById("split"); var submitBtn = document.getElementById("submit"); submitBtn.addEventListener("click", function() { console.log(splitTxt.value.split('')); });<input id="split"> <a id="submit">Подтвердить</a>
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Modify the dispersed places
Software Programming • linux ubuntu audio • • emran

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of the programme http://www.omgubuntu.co.uk/2013/12/turn-headphone-jack-microphone-jack-ubuntu package http://packages.ubuntu.com/search?keywords=alsa-tools-gui&searchon=names&suite=all&section=all ♪
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The league should make the words separated by the symbols, but if several symbols were introduced in a row, it would consider them for words.
Software Programming • c++ lines • • Trenton

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Working version of your code.int main() { int a, b, i = 0, c = 0, g = 0, v = 0; setlocale(LC_ALL, "russian"); string st; string r; string ch = " "; setlocale(0, ""); cout << "Введите строку: "; getline(cin, st); a = st.length(); if (a == 0) { cout << "Вы не ввели строку" << endl; } else { cout << "Введите строку разделителей: "; getline(cin, r); b = r.length(); if (b == 0) { cout << "Вы не ввели строку " << endl; } else { while (i != a) { for (int j = 0; j < b; j++) { if (st[i] == r[j] & i >= c) { for (g = c; g < i; g++) { ch += st[g]; } c = g + 1; if (ch.length() > 1 && !ch.empty()) { cout << "Найдено слово: " << ch << endl; } ch = ' '; } } i++; } if (c != a) { for (v = c; v < a; v++) { ch += st[v]; } } } if (ch.length() > 1 && !ch.empty()) { cout << "Найдено слово: " << ch << endl; } } return 0; }

Linux, question on the symbol у

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Software Programming • javascript html • • irl

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The league should make the words separated by the symbols, but if several symbols were introduced in a row, it would consider them for words.
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