csv

问题 This is all on a windows 7 x64 bit machine, running python 3.4.3 x64 bit, in the PyCharm Educational edition 1.0.1 compiler. The data being used for this program is taken from the Citi Bike program in New York City (data found here: http://www.citibikenyc.com/system-data). I have sorted the data so that I have a new CSV file with just the uniqe bike ID's and how many times each bicycle was ridden (file is called Sorted_Bike_Uses.csv). I am trying to make a graph with the bike ID's against the

问题 Question: Given to object FooBar that contains a List of Bar , with FooBar and Bar define as such: class FooBar{ int FooID {get;set;} string FooProperty1 {get;set;} List<Bar> Bars {get;set;}; } class Bar{ int BarID {get;set;} string BarProperty1 {get;set;} string BarProperty2 {get;set;} string BarProperty3 {get;set;} } I get the following CSV as input: 1,FooProperty1,BarID_1,BarProperty1_1,BarProperty2_1,BarProperty3_1,BarID_2,BarProperty1_2,BarProperty2_2,BarProperty3_2 Where the field BarID

问题 I have nested dictionary (with length > 70.000): users_item = { "sessionId1": { "12345645647": 1.0, "9798654": 5.0 }, "sessionId2":{ "3445657657": 1.0 }, "sessionId3": { "87967976": 5.0, "35325626436": 1.0, "126789435": 1.0, "72139856": 5.0 }, "sessionId4": { "4582317": 1.0 } ...... } I want create CSV file from my nested dictionary, my result will look like: sessionId1 item rating sessionId1 item rating sessionId2 item rating sessionId3 item rating sessionId3 item rating sessionId3 item

问题 I have nested dictionary (with length > 70.000): users_item = { "sessionId1": { "12345645647": 1.0, "9798654": 5.0 }, "sessionId2":{ "3445657657": 1.0 }, "sessionId3": { "87967976": 5.0, "35325626436": 1.0, "126789435": 1.0, "72139856": 5.0 }, "sessionId4": { "4582317": 1.0 } ...... } I want create CSV file from my nested dictionary, my result will look like: sessionId1 item rating sessionId1 item rating sessionId2 item rating sessionId3 item rating sessionId3 item rating sessionId3 item

问题 I am trying to parse to an xml into multiple different Files - Sample XML <integration-outbound:IntegrationEntity xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <integrationEntityHeader> <integrationTrackingNumber>281#963-4c1d-9d26-877ba40a4b4b#1583507840354</integrationTrackingNumber> <referenceCodeForEntity>25428</referenceCodeForEntity> <attachments> <attachment> <id>d6esd1d518b06019e01</id> <name>durance.pdf</name> <size>0</size> </attachment> <attachment> <id

问题 I am trying to parse to an xml into multiple different Files - Sample XML <integration-outbound:IntegrationEntity xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <integrationEntityHeader> <integrationTrackingNumber>281#963-4c1d-9d26-877ba40a4b4b#1583507840354</integrationTrackingNumber> <referenceCodeForEntity>25428</referenceCodeForEntity> <attachments> <attachment> <id>d6esd1d518b06019e01</id> <name>durance.pdf</name> <size>0</size> </attachment> <attachment> <id

问题 I have a very large csv file with ~500 columns, ~350k rows, which I am trying to import into an existing SQL Server table. I have tried BULK INSERT , I get - Query executed successfully, 0 rows affected . Interestingly, BULK INSERT worked, in a matter of seconds, for a similar operation but for a much smaller csv file, less than 50 cols., ~77k rows. I have also tried bcp , I get - Unexpected EOF encountered in BCP data-file. BCP copy in failed . The task is simple - it shouldn't be hard to

问题 I can't see to find it, hence i turn to slack to ask: Is there a way to write a csv file with its heards using akka stream alpakka ? The only thing i see is https://doc.akka.io/docs/alpakka/current/data-transformations/csv.html#csv-formatting But no reverse operation to csv to map somehow. My use case is that i need to read few csv files, filter their content, and write the clean content in a corresponding file orginalcsvfilename-cleanded.csv. If it is not directly supported, any

问题 Background story: I work on finance (not a developer, so help is very appreciated), my department currently relies heavily on excel and vba to automate as much as possible of our tasks. The company just validated a python distribution and we're now allowed to use it, so I just thought on giving a try. Challenge: My first challenge was to load a CSV file into a MSAcess database (because not all of us are tech savy enough to work purely using dev tools and DBs, so need to make things easy for

问题 I have the following dictionary in python that represents a From - To Distance Matrix. graph = {'A':{'A':0,'B':6,'C':INF,'D':6,'E':7}, 'B':{'A':INF,'B':0,'C':5,'D':INF,'E':INF}, 'C':{'A':INF,'B':INF,'C':0,'D':9,'E':3}, 'D':{'A':INF,'B':INF,'C':9,'D':0,'E':7}, 'E':{'A':INF,'B':4,'C':INF,'D':INF,'E':0} } Is it possible to output this matrix into excel or to a csv file so that it has the following format? I have looked into using csv.writer and csv.DictWriter but can not produce the desired