load

问题 I'm running some analysis where I'm getting quite a few datasets that are between 2-3G's. Right now, I'm saving this as .RData file types. Then, later I'm loading these files to continue working, which is taking some time to load in. My question is: would saving then load these files as .csv's be faster. Is data.table the fastest package for reading in .csv files? I guess I'm looking for the optimum workflow in R. 回答1: Based on the comments and some of my own research, I put together a

问题 I'm using MySQL 8.0.16 on AWS RDS. When I run SQL command: mysql> LOAD DATA INFILE 't1.csv' INTO TABLE t1 FIELDS TERMINATED BY ',' ENCLOSED BY '"' LINES TERMINATED BY '\n'; ERROR 1045 (28000): Access denied for user 'admin'@'%' (using password: YES) Running mysqlimport from Shell: $ mysqlimport --local --compress -u admin -pXXXXXXX -h HOST.rds.amazonaws.com DB --verbose --lines-terminated-by="\n" --fields-terminated-by=, --fields-enclosed-by='"' t1.csv mysqlimport: [Warning] Using a password

问题 I already split the data into test and training set into the different folder. Now I need to load the patient data. Each patient has 8 images. def load_dataset(root_dir, split): """ load the data set numpy arrays saved by the preprocessing script :param root_dir: path to input data :param split: defines whether to load the training or test set :return: data: dictionary containing one dictionary ({'data', 'seg', 'pid'}) per patient """ in_dir = os.path.join(root_dir, split) data_paths = [os

问题 I want to users can change and save the theme color in my app. However, I have no ideas how to load the saved theme color when the app start running. For example, I want to load the saved theme color directly in the comment place below. I tried SharedPreference. However the SharedPreference instance need to run with await . It seems can't be used here. Is there any way I can load saved theme here directly instead of using setState or something like it？ import 'package:flutter/material.dart';

问题 I want to users can change and save the theme color in my app. However, I have no ideas how to load the saved theme color when the app start running. For example, I want to load the saved theme color directly in the comment place below. I tried SharedPreference. However the SharedPreference instance need to run with await . It seems can't be used here. Is there any way I can load saved theme here directly instead of using setState or something like it？ import 'package:flutter/material.dart';

问题 I want to users can change and save the theme color in my app. However, I have no ideas how to load the saved theme color when the app start running. For example, I want to load the saved theme color directly in the comment place below. I tried SharedPreference. However the SharedPreference instance need to run with await . It seems can't be used here. Is there any way I can load saved theme here directly instead of using setState or something like it？ import 'package:flutter/material.dart';

问题 I want to load an HTML <IFRAME> inside an WebView , but I don't know why, it is not able to do so. I am using following code to load <IFRAME> webView.loadData("<iframe src=\"http://www.google.com\"></iframe>", "text/html", "utf-8"); Here's what I have tried. WebSettings webViewSettings = webView.getSettings(); webViewSettings.setJavaScriptCanOpenWindowsAutomatically(true); webViewSettings.setJavaScriptEnabled(true); webViewSettings.setPluginsEnabled(true); webViewSettings

问题 I have a stored procedure running in Firebird Database. Now I try to use this stored procedure to build a report in the SSRS 2012 (SSDT) Report Designer. After I connect to the dataset, and when I choose the Query Type as 'Stored Procedure', and type the name of my stored procedure, and then go to the Query Designer, and click ! (F5), I get the following error: TITLE: Microsoft SQL Server Report Designer ------------------------------ An error occurred while executing the query. ERROR [HY000]

问题 I want an event to happen in my app when an admob ad is loaded. I've been searching everywhere but I cant figure out exactly how to do this! Does anyone know where an example or tutorial is? I know it involves something with public void onReceiveAd(Ad ad); ... 回答1: check this documentation, it might help. 回答2: mAdView.setAdListener(new AdListener() { @Override public void onAdLoaded() { // Code to be executed when an ad finishes loading. } @Override public void onAdFailedToLoad(int errorCode)

问题 I am using Ipython to do some data analysis, I can't load the JSON file. Please help me to load this JSON file in IPython. And I also want to skip same words in the first line to make it a clean format, I want each record looks like this : {"station_id":"72","num_bikes_available":18,"num_bikes_disabled":0,"num_docks_available":20,"num_docks_disabled":1,"is_installed":1,"is_renting":1,"is_returning":1,"last_reported":"1467164372","eightd_has_available_keys":false}, Here is my code: In [9]: