csv

问题 I 've got a webProject with dc.js (d3.js+crossfilter.js) and ndx.csv file. When i run project into chrome from visual studio, everythings is Ok. Now after build project and copy in other computers, Run that. The problem is here . When i try to run webProject [html file] in other computers with Chrome , this browser has error " XMLHttpRequest cannot load file:///C:/Users/9901/Desktop/WebSite1/ndx.csv. Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome

问题 I am trying to scrape Twitter in order to get the follower/friend counts of certain user. I have a large list of users to check out. I actually want to collect the output into a dictionary and then write the output into a CSV file. I tried both the pandas (dict -> dataframe -> csv) and (dict -> CSV) routes but I keep getting failed writing. My codes are below: # Writing directly from Dictionary to CSV auth = tweepy.OAuthHandler(api_key, api_secret_key) auth.set_access_token(access_token,

问题 Good evening. I have a CSV data is shown below. level,label,price 1,menu1,3000 2,menu1_1,5000 2,menu1_2,6000 2,menu1_3,7000 1,menu2,8000 2,menu2_1,5000 3,menu2_1_1,5000 3,menu2_1_2,7000 2,menu2_2,6000 2,menu2_3,7000 1,menu3,9000 1,menu4,10000 I want to convert this data into json data as shown below. It is necessary that the recursive form should you write any javascript code I see? [ { "id": 1, "label": "menu1", "price": "3000", "children": [ { "id": 2, "label": "menu1_1", "price": "5000",

问题 I want to delete all the files from folder where name does not include SKU listed in CSV. This works if SKU is exact match with the file base, but I also want keep images which include the SKU. For example if SKU is "1-526-2" files with names like "1-526-2_1.jpg" and "1-526-2_2.jpg" should not be deleted. Can you somehow add wildcards around the SKU? Trying to use this: $filestokeep = import-csv "C:\Users\exmaple\csv.csv" -Header sku).sku $files = "C:\users\folder" $data = Get-ChildItem

问题 I am new to Azure SQL. We have a client db which is in Azure SQL. We need to set up a process automation which extract query results to .CSV files and load it in our server (on premise SQL server 2008 R2). What is the best method to generate csv files from Azure sql and make it accessible for the on premise server? 回答1: Consider using simple bcp from the on prem environment save the results to csv and then load the csv into the on prem server. You can also use SSIS to implement an automated

问题 Is it possible to read data from a csv file into a dictionary, such that the first row of a column is the key and the remaining rows of that same column constitute the value as a list? E.g. I have a csv file strings, numbers, colors string1, 1, blue string2, 2, red string3, 3, green string4, 4, yellow using with open(file,'rU') as f: reader = csv.DictReader(f) for row in reader: print row I obtain {'color': 'blue', 'string': 'string1', 'number': '1'} {'color': 'red', 'string': 'string2',

问题 The documentation says fgetcsv() returns NULL if an invalid handle is supplied or FALSE on other errors, including end of file. What are "other errors," aside from end of file? 来源： https://stackoverflow.com/questions/46820722/under-what-circumstances-does-fgetcsv-return-false

问题 I'm attempting to load TSV data from a file into a Postgres table using the \COPY command. Here's an example data row: 2017-11-22 23:00:00 "{\"id\":123,\"class\":101,\"level\":3}" Here's the psql command I'm using: \COPY bogus.test_table (timestamp, sample_json) FROM '/local/file.txt' DELIMITER E'\t' Here's the error I'm receiving: ERROR: invalid input syntax for type json DETAIL: Token "sample_json" is invalid. CONTEXT: JSON data, line 1: "{"sample_json... COPY test_table, line 1, column

问题 I'm attempting to load TSV data from a file into a Postgres table using the \COPY command. Here's an example data row: 2017-11-22 23:00:00 "{\"id\":123,\"class\":101,\"level\":3}" Here's the psql command I'm using: \COPY bogus.test_table (timestamp, sample_json) FROM '/local/file.txt' DELIMITER E'\t' Here's the error I'm receiving: ERROR: invalid input syntax for type json DETAIL: Token "sample_json" is invalid. CONTEXT: JSON data, line 1: "{"sample_json... COPY test_table, line 1, column

问题 I'm attempting to load TSV data from a file into a Postgres table using the \COPY command. Here's an example data row: 2017-11-22 23:00:00 "{\"id\":123,\"class\":101,\"level\":3}" Here's the psql command I'm using: \COPY bogus.test_table (timestamp, sample_json) FROM '/local/file.txt' DELIMITER E'\t' Here's the error I'm receiving: ERROR: invalid input syntax for type json DETAIL: Token "sample_json" is invalid. CONTEXT: JSON data, line 1: "{"sample_json... COPY test_table, line 1, column