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Zero line supplements

irl last edited by

Code number There are variables. They can be ambiguous and three-digit.
busNumber=cat $dir/busnumdevNumber=cat $dir/devnum
The implementation line shall take only three-digit values ./usbr "/dev/bus/usb/$busNumber/$devNumber"
Show me how to make sure that if the variable is single-digit, it adds two zeros to it if the two-digit is one zero, if it's three-digit nothing.
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Marcee

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/dev/bus/usb/`printf %03d $busNumber`/`printf %03d $devNumber`

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Size of Binary log file in Mysql Replication
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I have resolved the issue myself only using following process : Change the replication mode to ROW. Restrict the size of max_binlog_size=30M In this way binary log file cant be of huge size and easy to replicate.
Can I run my line code by line in VS Code?
Software Programming • python vsc languageode depuration • • emmalee

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To do that in VS Code and with Python you must have installed the Python extension provided by Microsoft, then use the Debug tool, if you look at the bar on the left of the VS Code there is a row of icons, the Debug is an insect on a play symbol, you click on that icon and then on the Run and Debug button. You have to keep in mind that to work the way you want to mark Breakpoints in the code. The red dots are the Breakpoints, when you begin to debug the code will stop in them, you will see the value of the variables you want in real time, you will also appear a small bar with options under the VS Code title bar, in it you will see some buttons to Stop, step by step, back, etc. With respect to HTML I am not sure you can do it as HTML is not a programming language.
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What's the difference between different linux distributors?
Software Programming • linux unix users • • Jolied

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There's an opinion in narrow circles that "people using ubuntu think it's linux." It's a joke, but there's a part of the truth:Actually, there's a difference, but another case will see if you need it. If you use Ubuntu as a home desktop, you don't have to mess. Now, if you're using industry, let's talk about what area and stuff, then we'll tell you.It's a little bit confusing, but I think I understand.
What is the difference between these string manipulations in C
Software Programming • c language linux • • Laycee

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The second excerpt will not read blanks.Or better, he'll think the blank space is the finisher of the scanf.If later, in the program, there is one more scanf, what comes after the previous blank space will fill this new scanf.That is, every blank space, you leave a new string in the keyboard buffer.
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We need to build a line from the first line where a different line will be inserted before each sign "s."
Software Programming • c++ algorithm liabilities lines • • courtlanda

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There are several approaches to this task. But all of them can be divided into two main cases: this is an approach in the spirit of language C, when you need to create a new symbol mass for the building, and a second approach in the spirit of C++ when you deal with class objects. std::string♪Language approach C#include <iostream> #include <cstring> int main() { const char *s1 = ">< ><"; const char *s2 = "(\/)O_O(\/)"; char c = '<'; size_t n1 = std::strlen( s1 ); size_t n2 = std::strlen( s2 ); size_t k = 0; for ( const char *p = s1; ( p = std::strchr( p, c ) ) != nullptr; ++p ) { ++k; } char *result = new char[ n1 + k * n2 + 1 ]; char *p = result; const char *q = s1; do { if ( *q == c ) { memcpy( p, s2, n2 ); p += n2; } *p++ = *q; } while ( *q++ ); std::cout << s1 << std::endl; std::cout << s2 << std::endl; std::cout << result << std::endl; delete [] result; return 0; } Programme withdrawal:>< >< (/)O_O(/) >(/)O_O(/)< >(/)O_O(/)< C++ approach#include <iostream> #include <algorithm> #include <string> #include <cstring> int main() { std::string s1( ">< ><" ); const char *s2 = "(\/)O_O(\/)"; char c = '<'; std::cout << s1 << std::endl; size_t n2 = std::strlen( s2 ); auto k = std::count( s1.begin(), s1.end(), c ); s1.reserve( s1.size() + k * n2 ); for ( std::string::size_type pos = 0; ( pos = s1.find( c, pos ) ) != std::string::npos; pos += n2 + 1 ) { s1.insert( pos, s2 ); } std::cout << s2 << std::endl; std::cout << s1 << std::endl; return 0; } Programme withdrawal:>< >< (/)O_O(/) >(/)O_O(/)< >(/)O_O(/)< In this case, the reference line itself can be changed. s1♪
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Transform the parts of the line by missing the intended line
Software Programming • php regular expression • • rosemadder

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$str = "текст_слева{текст_внутри_фигурных_скобок}текст_справа" ; $newStr = preg_replace_callback( '/^[^{]+\{|\}[^}]+$/', function($matches) { return mb_strtoupper($matches[0]) ; }, $str ) ; // $newStr == "ТЕКСТ_СЛЕВА{текст_внутри_фигурных_скобок}ТЕКСТ_СПРАВА"
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A on Jupyter Notebook
Software Programming • linux • • tahishae

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Basically what you need to do is install the https://irkernel.github.io which is equivalent to IPython.To install just run on R:install.packages(c('repr', 'IRdisplay', 'evaluate', 'crayon', 'pbdZMQ', 'devtools', 'uuid', 'digest')) devtools::install_github('IRkernel/IRkernel') Then (also in the R) - to leave it available.IRkernel::installspec() More information https://irkernel.github.io .
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How to print the length of the line for each Python input line
Software Programming • python python 3.x • • Kadyn

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import fileinput for line in fileinput.input(): print(len(line) - 1) # Длина вез знака '\n' The method used for the entry of lines input() Installation module https://docs.python.org/3.6/library/fileinput.html ♪ The lines shall be read until the entry is completed by the end of the file (Ctrl+D)When you want to finish the injection. I'll just press the key. Enter, add the code for the line input test with length 1 (only the end of the line: \nimport fileinput for line in fileinput.input(): if len(line) == 1: break print(len(line) - 1)
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Extract the line from the text, from the word in question to the new line
Software Programming • python 3.x regular expressions text • • Cleofas

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Remove the regular expression, for example:text = "text\n text.....\nKeywords: key, key, key\n text......\n" import re match = re.search('(Keywords: .+?)\n', text) if match: print(match.group(1)) # "Keywords: key, key, key" The boxes indicate the area you want to pull. And the lines inside the brackets can be obtained through group♪ If the function is on the template search Nothing will be found, will come back Noneso it's advisable to have a meaning.In the regular, we say we're interested in a line that starts on. Keywords: any symbols before the symbol \n♪Add the reply from the comment:import re data_list = ["text\n text.....\nKeywords: key, key, key\n key key key\n 1 text......\n"] for text in data_list: match = re.search('(Keywords: .+)\n', text, flags=re.DOTALL) if match: # b'Keywords: key, key, key\n key key key\n 1 text......' print(match.group(1).encode()) The result has been removed as a bystander so that symbols can be seen \n Here we go.
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How do you build wget cron on plesk 12?
Software Programming • linux debian cron • • derk

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The solution to the problem is to add additional dominance and ip file /etc/hosts
Move all the lines of the daterime by +1 to the index. To keep the top line empty
Software Programming • python python 3.x pandas dataframe data processing • • inna

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Use the method. https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.append.html :res = (pd.DataFrame([[np.nan] * df.shape[1]], columns=df.columns) .append(df, ignore_index=True)) result:In [24]: res Out[24]: Name Age 0 NaN NaN 1 aaa 10.0 2 bbb 15.0 3 ccc 20.0
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How do you put a line in the line after a certain symbol?
Software Programming • c++ lines • • meriah

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string str = "Rasim, Hello!"; size_t pos = str.find_first_of(','); str.insert(pos + 1, " Misar and Kefal"); cout << str << endl; Let you have a line. str♪ Then to put something in it, you need to know the position inside the line. .find_first_of returns the index of your certain symbol. After that, insert a new line: str.insert(pos + 1, "Misar and Kefal");
Understanding HTTP response from Linux Server
Security, Penetration Testing • linux http vulnerability injec languagetion shellc languageode • • emmalee

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This is the content of the /etc/passwd file which contains the users of the system. It is separated from the password hashes, which are located in /etc/shadow. The attacker knows which accounts exist on the system. He can use that knowledge to bruteforce them and maybe deduce information about the system based on the usernames that are used by daemons.
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Bang with AMD Vi installing Arch Linux
Software Programming • linux archlinux x86 64 amd • • jules

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We just need to start a core with the parameters:amd_iommu=off iommu=soft However, after that, technical virtualization would be inaccessible.(What makes it impossible to operate x64-bit OS in VirtualBox)
How do you put the page number in the file before the text?
Software Programming • linux bash sed awk • • Demir

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a number may be added when the file is examined. e.g.:$ less -N файл $ vim -c 'set nu' файл a The flow of lines may be numbered:$ nl файл $ cat -n файл and even specify a specific format.e.g. a levelling on the left edge, a two-way divider, followed by a gap, the width of the field with number 1 (this is, like, the assignment of a standard minimum, the numbers of more than one digit will not be cut in width):$ nl -n ln -s ': ' -w 1 файл and, where necessary, maintain flow Other file (if available) -w value 1 Opposition -nwhich is responsible for equating the number, makes no sense:$ nl -s ': ' -w 1 файл > другой.файл

Zero line supplements

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