小编Qas*_*iaz的帖子

Error Message:
Exception in thread "main" java.lang.NumberFormatException: For input string: "Ace of Clubs"
    at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
    at java.lang.Integer.parseInt(Integer.java:580)
    at java.lang.Integer.parseInt(Integer.java:615)
    at set07102.Cards.main(Cards.java:68)
C:\Users\qasim\AppData\Local\NetBeans\Cache\8.1\executor-snippets\run.xml:53: Java returned: 1
BUILD FAILED (total time: 0 seconds)

我的循环:

while (response != 'q' && index < 52) {
    System.out.println(cards[index]);
    int first_value = Integer.parseInt(cards[index]);
    int value = 0;
    //Add a Scanner
    Scanner scanner = new Scanner(System.in);
    System.out.println("Will the next card be higher or lower?, press q if you want to quit");
    String guess = scanner.nextLine();
    if(cards[index].startsWith("Ace")) { value …

我已经建立了一个私人quandl帐户并收到了quandl Api密钥，但是如何在python中将密钥添加到我的请求中呢？

我的代码：

import pandas as pd 
import quandl 

df = quandl.get('EOD/V')
print(df.head())

错误：

Traceback (most recent call last):
  File "C:\Users\qasim\Documents\python_machine_learning\regression.py", line 4, in <module>
    df = quandl.get('EOD/V')
  File "C:\Python27\lib\site-packages\quandl\get.py", line 48, in get
    data = Dataset(dataset_args['code']).data(params=kwargs, handle_column_not_found=True)
  File "C:\Python27\lib\site-packages\quandl\model\dataset.py", line 47, in data
    return Data.all(**updated_options)
  File "C:\Python27\lib\site-packages\quandl\operations\list.py", line 14, in all
    r = Connection.request('get', path, **options)
  File "C:\Python27\lib\site-packages\quandl\connection.py", line 36, in request
    return cls.execute_request(http_verb, abs_url, **options)
  File "C:\Python27\lib\site-packages\quandl\connection.py", line 44, in execute_request
    cls.handle_api_error(response)
  File "C:\Python27\lib\site-packages\quandl\connection.py", line 85, in handle_api_error …