亚洲国产日韩欧美一区二区三区,精品亚洲国产成人av在线,国产99视频精品免视看7,99国产精品久久久久久久成人热,欧美日韩亚洲国产综合乱

windows - C++使用curl提交分塊大文件,curl參數(shù)選取問題

能否詳細(xì)講解一下對(duì)應(yīng)參數(shù)的含義？還有對(duì)應(yīng)curl_form表單的構(gòu)造？再就是代碼上有什么風(fēng)格問題？下面是我實(shí)現(xiàn)的單個(gè)小文件整個(gè)上傳的代碼，因?yàn)橐膭?dòng)成大文件分塊還沒改完，所以可能看上去代碼有點(diǎn)亂。使用回調(diào)函...

From [C++discussion group] 2017-04-17 13:32:32 0  1  1201

c++ - the average of two float point numbers without operator/?

As in the title, integers can use bit operations, how to solve floating point numbers? Due to the word limit o...

From [C++discussion group] 2017-07-03 11:41:47 0  2  1198

c++ - C語(yǔ)言實(shí)現(xiàn)輸入多行英文句子然后統(tǒng)計(jì)單詞數(shù)和行數(shù)，如何輸入？我的代碼問題在哪里？

{代碼...} 輸入多行之后，command+z還是結(jié)束不了輸入請(qǐng)問問題在哪里？有什么更好的接受多行文字的方法嗎？這是原題，希望不是我錯(cuò)誤理解題意了……謝謝...

From [C++discussion group] 2017-04-17 13:11:55 0  3  1196

C++里有抽象類指針嗎？

請(qǐng)問C++有抽象類指針嗎？請(qǐng)問C++有接口類指針嗎？如果有，那么抽象類的指針能指向非抽象的子類對(duì)象嗎？

From [C++discussion group] 2017-04-17 12:07:06 0  4  1195

使用C/C++讀取csv文件的每一行，以逗號(hào)分隔，如果某單元格的數(shù)據(jù)本身含有逗號(hào)，這里如何避免分隔出錯(cuò)？

在使用MFC讀取csv文件的每一行并按逗號(hào)分隔時(shí)遇到這樣的問題： csv文件是用逗號(hào)作為列分隔符的，我讀到csv文件的一行后，也是按照逗號(hào)來(lái)進(jìn)行分割的，以便能夠把這一行字符串按照原本csv文件中列的形式分割出來(lái)。...

From [C++discussion group] 2017-04-17 11:43:17 0  3  1192

c++ - 如何理解“作為接口組成部分的非成員函數(shù)”？

《C++ Primer (5th edition)》 P230 ，CHAPTER 7 中提到類似于<<,>>的read，print函數(shù)是作為Sales_data的接...

From [C++discussion group] 2017-04-17 13:11:31 0  1  1188

C++ vector容器如何快速讀取txt文檔數(shù)據(jù)？

事先不知道文檔大?。∕xN的矩陣），將數(shù)據(jù)讀到vector<vector<double> >容器中，有什么快速的方法？ 我測(cè)試過500x500的txt文檔，讀進(jìn)去需...

From [C++discussion group] 2017-04-17 11:31:31 0  2  1188

visual-studio - Regarding the temporary variable destruction problem generated during initialization of c++ object array?

The first case: When creating a C++ object array, if you assign values ??through the initialization list, temp...

From [C++discussion group] 2017-05-16 13:24:00 0  3  1185

Issues with constructor functions in writing high-precision templates using C++ structures

Confused about the structure overloading operator What is the function of {code...} in {code...}? If you delet...

From [C++discussion group] 2017-06-12 09:24:48 0  1  1184

python - How to convert char* object to PyObject* object

It is used for function parameter passing, so PyObject_GetAttrString cannot be used.

From [C++discussion group] 2017-06-10 09:48:40 0  1  1180

syntax - C++11 thread calls member function of object

If you drop a member function of a class, it's probably like this. {Code...} But what if you want a specific o...

From [C++discussion group] 2017-05-16 13:22:21 0  2  1180

How to find array out of bounds error?

{Code...} Baidu looked it up. It may be that the array somewhere has crossed the boundary and damaged the memo...

From [C++discussion group] 2017-06-07 09:24:17 0  2  1177

c++ - word to html

大家好 請(qǐng)問，word 怎樣轉(zhuǎn)換html ，C++或者C ？

From [C++discussion group] 2017-04-17 11:29:20 0  1  1176

編程 - 如何用C++讀取條形碼掃描槍的數(shù)據(jù)？

掃描槍是usb-hid的形式，是一個(gè)keyboard的設(shè)備，使用C++和QT編程，不用QT的鍵盤event，怎樣讀取條碼數(shù)據(jù)？libusb？一般進(jìn)銷存的軟件是如何讀取條碼的信息的？

From [C++discussion group] 2017-04-17 11:11:26 0  1  1176

Display elements in vector using template function and iterator

{Code...} The error message in VS 2017 is as follows: {Code...} Please tell me what went wrong here~Thank you~...

From [C++discussion group] 2017-06-23 09:14:59 0  2  1175