function

问题 I'm developing a WordPress site for a client who is listing celebrities on her site. Each celebrity profile shows a table of social media stats which is grabbed via the relevant API using the respective user handle. For example the Twitter follower count is retrieved via the Twitter API. Everything works as it should but the page load times are painful. I'm now beginning to think it would make much more sense for the server to make the API queries in the background once a week and update the

问题 I am working on repeats classification project. I am calculating time lapse in between a repeat and fresh mail in days. I want to apply a function on this time lapse which states whether it is a fresh mail or repeat mail. function: days = df['days_difference'] if(days<30): return 'repeat' else: return 'fresh' I am getting error: not supported between instances of 'str' and 'int' 'days_difference' column contains integer values along with None values. looking for a solution ! 回答1: That

问题 How can I return the data (csvData) from the reader.onload function. I want that the data will return from readCsv function: async readCSV(event) { const reader = new FileReader(); reader.readAsText(event.target.files[0]); var csvToJson; csvToJson = reader.onload = async () => { const text = reader.result; const csvData = await this.csvJSON(text); return csvData; }; return csvToJson; } 回答1: I see that you already using async syntax. Async syntax automatically wraps everything to Promise

问题 I'm used the material-UI to develop the react.js frontend. But when I'm gonna develop it furthermore(to implement the crud operations), it's hard to code, since every tutorial coded by using class , not a function . So, I tried to convert the code into the class. But I failed to do that properly. So I just ask you guys to help me to convert the below code into the class. I would like to appreciate your kindness. Thank you. import React from "react"; import ReactDom from 'react-dom'; import

问题 I'm used the material-UI to develop the react.js frontend. But when I'm gonna develop it furthermore(to implement the crud operations), it's hard to code, since every tutorial coded by using class , not a function . So, I tried to convert the code into the class. But I failed to do that properly. So I just ask you guys to help me to convert the below code into the class. I would like to appreciate your kindness. Thank you. import React from "react"; import ReactDom from 'react-dom'; import

问题 I have a question about reading a file character by character and counting it in C here's my code down below void read_in(char** quotes){ FILE *frp = fopen(IN_FILE, "r"); char c; size_t tmp_len =0, i=0; //char* tmp[100]; //char* quotes[MAX_QUOTES]; //char str = fgets(str, sizeof(quotes),frp); while((c=fgetc(frp)) != EOF){ if(frp == NULL){ printf("File is empty!"); fclose(frp); exit(1); } else{ if(c != '\n'){ printf("%c",c); c=fgetc(frp); tmp_len++; } } char* tmp = (char*)calloc(tmp_len+1,

问题 Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . Improve this question Hi I want to write a code for a pow function without using math.h libary. How is this code?how can i fix it when b<0 int MyPow(int a,int b){ if(b<0) return 1 / MyPow (a,-b) else if(b==0) return 1; else if(b==1) return a; else return a*MyPow(a,b-1) } 回答1:

问题 I am a novice programmer I am looking up into a problem which is using a recursive function. Though I could understand the main point, there is an unclear issue which I could not decipher immediately as I go through the debugging process. I will appreciate your help on my question. The problem's concept ( merge sorting ) is pretty straight forward, but I am confused with the way a recursive function works in general. Bellow is the program I am dealing with (from Georgia Tech course on Python)

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 7 months ago . Improve this question I want to pass a 2D array to a function . I must receive the 2D array using a single pointer in the formal argument. 回答1: In C when you have a 2D array, you have an array of 1D arrays . On access, an array is converted to a pointer to its first element. C11 Standard - 6.3.2.1

问题 I have this error message when I compile my program in PHP. I have these two lines in my php.ini file : extension=curl extension=C:\Server\bin\PHP\ext\php_curl.dll It still doesn't work, can you help me ? Thank you 回答1: After installation, you would need to restart either Apache or Nginx. Create a stand alone info.php page: <?php phpinfo(); Search the page you should see something like this: cURL support: enabled 来源： https://stackoverflow.com/questions/55271493/apache-php-undefined-function