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Line indicator

kalyn

Help me, please, how do you put the line on the indicator so that you can't change from string to char*?

 #include<iostream>
 #include<string>
 using namespace std;
 class Tree
{
string data;
char *top;
char*right;
char*left;
public:

Tree()

{

getline(cin, data);

top = data;

right = NULL;

left = NULL;

}
int count();//количество ветвей
};

N
Nykeriab last edited by
If it is necessary to simply obtain a blue line indicator, a member function can be used c_str() for std::string♪
If you need to copy a string show from std::string in pre-recorded memory, call for the replication function strcpy:
```
char s[100]; // следует выбрать достаточный размер для строки
std::string data; 
...
strcpy(s, data.c_str());
```
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Secure the address of the indicator in C and initiate the meaning of the indicator
Software Programming • c language • • elysha

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A mistake to treat someone else's memory. The address here is: page = m_map[i].page; There are possible reasons for error:Is it exactly 1025? You're starting from index 1 bypassing the mass because j++; I' bet. before Remembrance. See if it wasn't weird. By the way, it's best to take these numbers to the stables.You also don't matter. j zero before cycle j The cycle. Is that the idea? If you don't, fix it.
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About __forceinline and __inline
Software Programming • c++ inline • • Kadyn

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These instructions indicate to the compiler that you want the function to be linearized, that is, that it instead of calling it the code is placed where it had a call saving some bytes and processing since it is no longer necessary to have the https://pt.stackoverflow.com/q/170372/101 and in some cases no longer need to copy argument data to the parameter.inline is C++ standard and is a tip for the compiler to consider doing this optimization there. Not that it doesn't do if you don't have these keywords, it can do if you think it pays off optimizing, even without anything written. Instruding thus can increase the chance, but depends on the compiler, nothing guarantees. Naga ensures that the optimization is done, the compiler can recur if thinks it doesn't compensate.__inline is the same but is an extension of the Microsoft compiler. The exact way the compiler handles depends only on it.__forceinline is just an indication that you even want the optimization to be done, so the chance is grid to occur, but it is also not guaranteed. If it is very clearly bad the compiler does not.Being able to use in large functions can, but it is not recommended and it is likely that the compiler ignores. If you do not know if it will really be useful, do not use, it is a well advanced feature. https://docs.microsoft.com/en-us/cpp/cpp/inline-functions-cpp?WT.mc_id=DOP-MVP-5002397&view=msvc-160 .Related: https://pt.stackoverflow.com/q/183990/101 https://pt.stackoverflow.com/q/110886/101 https://pt.stackoverflow.com/q/87883/101 https://pt.stackoverflow.com/q/156907/101 https://pt.stackoverflow.com/q/184411/101
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File reading. C+++
Software Programming • c++ files • • simrah

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I think this mistake is the most common in SO. ♪ ♪while (!file2.eof()) Do it. NEXT♪Because the end of the file comes out. FOLLOW Bad reading!Only after there was a failed attempt to read something behind the end of the file was then. eof() Come back. true♪UpdateHere's the option:bool read(istream& in) { int tAge; in.read((char*)&tAge, sizeof(tAge)); // Чтение POD-члена size_t len; // Переменная для длины in.read((char*)&len, sizeof(len)); // Чтение длины записанной строки char * buf = new char[len]; // Выделение буфера для чтения in.read(buf, len); // Чтение (с нулевым байтом) if (in) // read OK { Name = buf; // Присвоение считанной строки члену Age = tAge; } delete[]buf; // Освобождение памяти return !!in; } Function's back. true Only when it's done. She's not just returning when she's in trouble. falsebut it doesn't write anything to the object - it's still in the same condition as before reading. (Transactions are all or nothing; for that, we read first. tAge)Well, the cycle looks like:while (obj2.read(file2)) { obj2.show(); }
E

We need to count the line to the point and count the words in the line.
Software Programming • python python 3.x • • elysha

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s = "Первая тестовая строка. Вторая строка." res = len(s.partition(".")[0].split()) print(res) >>> 3 I don't know.s.partition(".") - divides the line into three parts: the substructure to the first meeting of the divider, the holder himself ("."and the remaining portion of the line after the separation:In [9]: s.partition(".") Out[9]: ('Первая тестовая строка', '.', ' Вторая строка.') We'll pick a sub-line until the first partitioner:In [10]: s.partition(".")[0] Out[10]: 'Первая тестовая строка' .split() - will break the line to the word.In [11]: s.partition(".")[0].split() Out[11]: ['Первая', 'тестовая', 'строка']
Constant site field
Software Programming • c++ • • Laycee

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In C++ there are only two ways of initializing constant fields: by field-like initialization in the field (1) or in the initialization block (2).class MyClass { public: MyClass(int n) {} }; class Foo { public: Foo() : another_("foo") // инициализация констант , my_(42) // в блоке инициализации {} private: const int n_ = 42; //field-like инициализация const std::string str_ = "foo"; // field-like инициаилацзия const std::string another_; const MyClass my_; // в этом случае, field-like инициализация невозможна }; Constant field is the best way to ensure http://en.wikipedia.org/wiki/Class_invariant i.e. some condition that must be true throughout the life of the objects.Constant fields are still used to obtain http://en.wikipedia.org/wiki/Immutable_object which makes it safe to smash objects in a multi-point environment.
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Please tell me, exe's postcard through Smake and mingw32-make is not launched.
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The mistake is that the programme was lynched. dynamic and looked for the dll she needed that she couldn't find. To blink staticI need to CMakeLists.txt add set(CMAKE_EXE_LINKER_FLAGS "-static-libgcc -static-libstdc++)♪ It'll be launched.
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Determine the number of components of the mass that are less than the arithmetic mean of all elements of its line
Software Programming • c++ liabilities dynamics • • Pearlaqua

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I'd be looking for this number:int *sum = new int[N]; for(int i = 0; i < N; ++i) { sum[i] = 0; for(int j = 0; j < M; ++j) sum[i] += A[i][j]; // сумма int less = 0; for(int j = 0; j < M; ++j) if (A[i][j] * M < sum[i]) ++less; // количество чисел, меньше среднего sum[i] = less; } There you go. https://ideone.com/BXQ3N1 - a complete new code, with the withdrawal immediately when the matrix is removed (only, to avoid, fill it with random numbers).
Transforming the sixteenth line into the sixteenth line. ASCII symbol problem
Software Programming • python python 3.x byte serial hex • • briley

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As often as it happens, it's a question. SubmissionsNot storage data:for b in bytes.fromhex('151000149729'): print(hex(b)) Conclusion:0x15 0x10 0x0 0x14 0x97 0x29 You're the one with the last light. 0x29Just in. Press press The white line is those symbols that have a identifiable print image, printed in this imaginary image (in your case it's a bracket), and those that have no display symbol are printed as 0xNN That's why.
The programme departs after completion of the imported function
Software Programming • c sharp c++ pinvoke • • irl

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This is the decision with the library on C+/CLI.Add a library on C++/CLI to the project. In Visual Studio 2017, it's called CLR class library.Put the following definitions in this library in the headline file:#pragma once #include "windows.h" #include "psapi.h" using namespace System; namespace InteropLibrary { public ref class ProcInf { public: UInt16 ProcessId; String^ MainModuleName; }; public ref class ProcessHelper abstract sealed // аналог статического класса { public: static Boolean GetProcessInfo(ProcInf^ lppi) { HANDLE hProcess = OpenProcess( PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, lppi->ProcessId); if (hProcess == NULL) return false; wchar_t moduleName[MAX_PATH + 1]; // размер в символах, поэтому не удваиваем его auto nameSize = GetModuleFileNameEx( (HMODULE)hProcess, NULL, moduleName, MAX_PATH); if (nameSize > 0) lppi->MainModuleName = gcnew String(moduleName, 0, nameSize); CloseHandle(hProcess); return nameSize > 0; } }; } How to develop C++/CLI techniques, for example, https://msdn.microsoft.com/en-us/library/ke3a209d.aspx ♪In C# Parts, select a packaging with a specific battle (x86 or x64). Put the part on C++/CLI as project reference.In C#-code, call:InteropLibrary.ProcInf pi = new InteropLibrary.ProcInf() { ProcessId = 1234 }; if (InteropLibrary.ProcessHelper.GetProcessInfo(pi)) { ... That's all.Don't forget, if your project has an unregulated code, you bring undefined behaviour and all other " objects " to naive memory access. So be careful with the naive functions. (For example, you miscalculated the size of the buffer, nautical programming of such mistakes does not forgive.)
A

How did WinAPI get the HANDLE of that flow that was returned when it was created?
Software Programming • c++ multi point winapi • • Avante

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First, the jandle only operates in one process. For each separate process, the Hundling table is its own. Secondly, one thread inprincipe may have several Hundles. But if you have one, you can only get it scanned by all the sandals in the process. You can, for example, getThreadId http://docs.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-getthreadid I'll give you a simplified example. HANDLE getThreadHandleById(DWORD id) { for (i=4;i<1000;i+=4) if (GetThreadId((HANDLE)i) == id) return (HANDLE)i; return (HANDLE)NULL; // А может уже thread не живой или плохо просканировали таблицу ); HANDLE myId = getThreadHandleById(GetCurrentThreadId()); Instead of 1,000, there's got to be a maximum number for the Hundle, but it's not easy to find out. There's a common jundle, I'll take a common c-vo and multiply 1.5*4 = 6. (Handla seems to me to be doing every four years of experience. Perhaps in this particular case, it is better than an endless cycle. The program can be improved using NtQueryObject, NtQueryInformationThread.P.S. GetCurrentThread - reset the constant value - a pseudadl that will always mean the current flow, even if it has already changed. It cannot therefore be transferred to other flows. In most cases, GetCurrentThread is sufficient. But if you have a lot of luck and there's a case that GetCurrentThread doesn't fit, then most of all, Handle's got a task that's working on, and the "extraction". If you have to use this code, then... or you're putting yourself in someone else's code (or fight against someone else's booked libraries), or you've written the code wrong and I suggest you drop the task and not lose it. Although... "start" jandle-thread is probably not the usual way to get it, but I can't figure out where it is. If you have one flow, just use it. GetCurrentThread()♪UDP's another option, if you just need to check your "small" and you don't have to transfer the jandle into the functions that the xandle takes. Then you need to. GetCurrentThreadId() And that's it. You'll get one at the entrance, and the other one can be retrieved. GetCurrentThreadId() or CreateThread♪
A

How to add the lines of a two-dimensional vector and show the result of the sum of each line?
Software Programming • java array matrix soma • • Avante

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If that's what I understand, it's just you to take care of the "soma" after reading each line, or keep in a vector the sum of each line.public class vetor { public static void main(String[] args) { int soma = 0; int vetor[][] = new int[5][5]; for (int i = 0; i < vetor.length; i++) { for (int j = 0; j < vetor.length; j++) { vetor[i][j] = 1; } } for (int i = 0; i < vetor.length; i++) { for (int j = 0; j < vetor.length; j++) { soma+=vetor[i][j] = 1; } System.out.println(soma); soma=0; } } } case with vector:public class vetor { public static void main(String[] args) { int soma[] = new int[5]; int vetor[][] = new int[5][5]; for (int i = 0; i < vetor.length; i++) { for (int j = 0; j < vetor.length; j++) { vetor[i][j] = 1; } } for (int i = 0; i < vetor.length; i++) { for (int j = 0; j < vetor.length; j++) { soma[i]+=vetor[i][j] = 1; } System.out.println(soma[i]); } } }
O

How to find a line on a template that doesn't have a line
Software Programming • php regular expression • • Oba22

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DOMDocument + DOMXPathThe most reliable use of a specially created password when working with the text noted. The basis of this code is XPath expression '//*[@href and not(starts-with(@href, "http://mysite.com")) and not(starts-with(@href, "http://www.mysite.com"))]'which receives all attributes hrefwhich does not begin http://mysite.com and http://www.mysite.com♪ http://ideone.com/qvgHsy :$html = <<<DATA <a href="http://www.mysite.com">text</a> <a href="http://mysite.com">text1</a> <a href='http://mysite.com'>text2</a> <a href='http://www.mysite.com'>text3</a> <a href='http://www.hissite.com'>text4</a> <a href="http://www.moon.com/id.php?site=mysite.com">text5</a> DATA; $dom = new DOMDocument('1.0', 'UTF-8'); $dom->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); $xpath = new DOMXPath($dom); $links = $xpath->query('//*[@href and not(starts-with(@href, "http://mysite.com")) and not(starts-with(@href, "http://www.mysite.com"))]'); $res_arr = array(); foreach($links as $link) { array_push($res_arr, $link->getAttribute('href')); } print_r($res_arr); Regular expressionRegular expression that checks http://mysite.com right after the door opens and, if he doesn't, he returns the match. For convenience, a immature fascinating underwear is used (?<link>(?:(?!\1).)*)♪\bhref=(["'])(?!http://(?:www.)mysite.com)(?<link>(?:(?!\1).)) See. https://regex101.com/r/nM2yY9/2 http://ideone.com/1Qfb4m :$re = '~\bhref=(["'])(?!http://(?:www.)mysite.com)(?<link>(?:(?!\1).))~i'; $str = "<a href="http://www.mysite.com">\n<a href="http://mysite.com">\n<a href='http://mysite.com'>\n<a href='http://www.mysite.com'>\n<a href='http://www.hissite.com'>\n<a href='http://www.moon.com/id.php?site=mysite.com'>"; preg_match_all($re, $str, $matches); print_r($matches["link"]);
K

How do you describe the data from the line of the table in the modular window that comes from this line?
Software Programming • javascript html bootstrap • • Kadir

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UPDThen you separate the cells in the row, and in every direction, make this meaning:$(document).ready(function() { $(".usrtbl").dblclick(function(){ let one = $(this).children('td:first-child').text(); let two = $(this).children('td:nth-child(2)').text(); let three = $(this).children('td:last-child').text(); $('#one').val(one); $('#two').val(two); $('#three').val(three); $("#idModalEditUser").modal('show'); }); });<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script> <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet" /> <div> <table> <tr class="usrtbl" id="1"> <td>11</td> <td>12</td> <td>13</td> </tr> <tr class="usrtbl" id="2"> <td>21</td> <td>22</td> <td>23</td> </tr> <tr class="usrtbl" id="3"> <td>31</td> <td>32</td> <td>33</td> </tr> </table> </div>  <div class="modal fade" id="idModalEditUser" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true"> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <h5 class="modal-title" id="exampleModalLabel">Modal title</h5> <button type="button" class="close" data-dismiss="modal" aria-label="Close"> <span aria-hidden="true">×</span> </button> </div> <div class="modal-body"> <form> <div class="form-row"> <div class="form-group"> <label for="one">Один</label> <input type="text" name="one" class="form-control" id="one"> </div> <div class="form-group"> <label for="two">Два</label> <input type="text" name="two" class="form-control" id="two"> </div> <div class="form-group"> <label for="three">Три</label> <input type="text" name="three" class="form-control" id="three"> </div> </div> </form> </div> <div class="modal-footer"> <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button> <button type="button" class="btn btn-primary">Save changes</button> </div> </div> </div> </div>Just put it in the modular window of $(this).text()$(document).ready(function() { $(".usrtbl").dblclick(function() { $("#idModalEditUser").modal('show'); $("#idModalEditUser .modal-body").text($(this).text()); }); });<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script> <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet" /> <div> <table> <tr class="usrtbl" id="1"> <td>11</td> <td>12</td> <td>13</td> </tr> <tr class="usrtbl" id="2"> <td>21</td> <td>22</td> <td>23</td> </tr> <tr class="usrtbl" id="3"> <td>31</td> <td>32</td> <td>33</td> </tr> </table> </div>  <div class="modal fade" id="idModalEditUser" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true"> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <h5 class="modal-title" id="exampleModalLabel">Modal title</h5> <button type="button" class="close" data-dismiss="modal" aria-label="Close"> <span aria-hidden="true">×</span> </button> </div> <div class="modal-body"> ... </div> <div class="modal-footer"> <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button> <button type="button" class="btn btn-primary">Save changes</button> </div> </div> </div> </div>
O

How does Python put a line on two lines and each assign a separate variable?
Software Programming • python python 3.x lines • • Oba22

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C

For this purpose, specific cuts can be made:s = input() half = len(s) // 2 + len(s) % 2 print(s[half:] + s[:half])
T

How is it better to compare each line correlation with other lines?
Software Programming • python python 3.x algorithm numpy statistic • • tahishae

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I would do that:import pandas as pd Creandas DataFrame - Poles correspond to the original vectors:In [125]: df = pd.DataFrame([x1, x2, x3, x4], index=range(1,5)).T.add_prefix('x') In [126]: df Out[126]: x1 x2 x3 x4 0 0 1 2 2 1 1 3 6 1 2 2 3 4 2 3 3 4 5 3 4 4 8 6 4 We consider the Pearson correlation:In [127]: corr = df.corr() In [128]: corr Out[128]: x1 x2 x3 x4 x1 1.000000 0.916271 0.661438 0.832050 x2 0.916271 1.000000 0.727267 0.796267 x3 0.661438 0.727267 1.000000 0.235864 x4 0.832050 0.796267 0.235864 1.000000 Secondary poles:In [142]: corr.mean() Out[142]: x1 0.852440 x2 0.859951 x3 0.656142 x4 0.716045 dtype: float64 The name of the column with the maximum correlation to the other columns:In [143]: corr.mean().idxmax() Out[143]: 'x2'

Line indicator

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