import

问题 I want to import four .csv files - each with more than 300,000 rows and 150 columns and size over 0.5 GB - into a database table. What is the easiest way to do this in SQL Server? I am using the latest SQL Server 2017 Express. I have 4 large .csv files which I want to import it into a database. I was planning to import these into 4 separate tables. However, to create new table all the column names and datatypes are required to be defined which would be cumbersome. Hence I wanted to know how

问题 I'm looking to import rows from spreadsheets in a source folder that will be updated daily with new spreadsheets. Is it possible to pull a specific range from every new spreadsheet in the source folder into a Master Sheet? I've been using the following code from an answer to a similar question here. This works perfectly except it duplicates the data that has already been imported to the Master Sheet. How can I fix this? function getdata() { //declare multiple variables in one statement -

问题 Suppose I have a python package my_package which contains a module my_module which contains a function my_function . I was trying to do the following import in python interactive shell: >>> from my_package import my_module >>> my_module.my_function() # => OK >>> from my_module import my_function # => ImportError: No module named my_module >>> from my_package.my_module import my_function # => OK I am quite surprised at the ImportError at the third line above: since the my_module is already

问题 Suppose I have a python package my_package which contains a module my_module which contains a function my_function . I was trying to do the following import in python interactive shell: >>> from my_package import my_module >>> my_module.my_function() # => OK >>> from my_module import my_function # => ImportError: No module named my_module >>> from my_package.my_module import my_function # => OK I am quite surprised at the ImportError at the third line above: since the my_module is already

问题 Suppose I have a python package my_package which contains a module my_module which contains a function my_function . I was trying to do the following import in python interactive shell: >>> from my_package import my_module >>> my_module.my_function() # => OK >>> from my_module import my_function # => ImportError: No module named my_module >>> from my_package.my_module import my_function # => OK I am quite surprised at the ImportError at the third line above: since the my_module is already

问题 I use visual studio 2015 in a project with typescript and the files are named using lower and capital letters like this "project/Models/myFile.ts". When I want to import something from another module/file I use drag n drop in Visual studio so as to provide me automatically the reference with the path of the file, but it ignores capital letters and gives a path all in lowercase. Question 1: Does this means that Visual studio is not case sensitive when referencing or importing files in

问题 I am writing a web based app based on python and django. I have a source code folder containing LIBS directory that has a file named utils.py . When I want to install my app a new line is added to ~/.profile file like export PYTHONPATH=$PYTHONPATH:/home/test/src/LIBS (The path is added based on the installation path) When I run the below code in the interpreter the path is OK: import sys sys.path ['', '/usr/lib/python2.7', '/home/test/src/LIBS', '/usr/lib/python2.7/plat-x86_64-linux-gnu', '

问题 Is there any way/setting in Android Studio to report the unused imports in java files as error? In Eclipse, lint reported this as error pretty easily. 回答1: Applies to Android Studio and IntelliJ You could go to File/Settings then browse to Editor/Inspections/Import. Change Severity of Unused Import to Error 回答2: try this. its automatically remove unused imports yourProject --> Right Click --> Optimize Imports lint : its also show unused imports in java files as error yourProject --> Right

问题 I have a XML file of about 10GB, I dont know the content of the file but I would like to import it into my database to make it easy to view. How can I import an xml file to my PostgreSQL database? (Is this even possible with such a large file?) I Hope you guys can help me out :) 回答1: Convert XML file into CSV file. Also, when converting, split it to 100Mb-1Gb parts for easier batching. Create the table with columns you defined in the CSV file. Upload the file(s) into Postgres with COPY

问题 I have a XML file of about 10GB, I dont know the content of the file but I would like to import it into my database to make it easy to view. How can I import an xml file to my PostgreSQL database? (Is this even possible with such a large file?) I Hope you guys can help me out :) 回答1: Convert XML file into CSV file. Also, when converting, split it to 100Mb-1Gb parts for easier batching. Create the table with columns you defined in the CSV file. Upload the file(s) into Postgres with COPY