read

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: In Python I'm getting an error: Exception: ( , AttributeError("'str' object has no attribute 'read'",), ) Given python code: def getEntries (self, sub): url = 'http://www.reddit.com/' if (sub != ''): url += 'r/' + sub request = urllib2.Request (url + '.json', None, {'User-Agent' : 'Reddit desktop client by /user/RobinJ1995/'}) response = urllib2.urlopen (request) jsonofabitch = response.read () return json.load (jsonofabitch)['data']['children'] What does this error mean and what did I do to cause it? 回答1: The problem is that for json.load

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I can read .pcd data using this program. #include #include #include int main (int argc, char** argv) { pcl::PointCloud ::Ptr cloud (new pcl::PointCloud ); if (pcl::io::loadPCDFile ("airplane.pcd", *cloud) == -1) //* load the file { PCL_ERROR ("Couldn't read file test_pcd.pcd \n"); return (-1); } std::cout width * cloud->height points.size (); ++i) std::cout points[i].x points[i].y points[i].z How to read a .ply file i made the following change in line 10: if (pcl::io::loadPLYFile ("airplane.ply", *cloud) == -1) //* load the file It gave

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have below code and I am getting exception: There is already an open DataReader associated with this Connection which must be closed first. I am using Visual Studio 2010/.Net 4.0 and MySQL for this project. Basically I am trying to run another SQL statement while using data reader to do my other task. I am getting exception at line cmdInserttblProductFrance.ExecuteNonQuery(); SQL = "Select * from tblProduct"; //Create Connection/Command/MySQLDataReader MySqlConnection myConnection = new MySqlConnection(cf.GetConnectionString());

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I want to read a txt in Rmd --- title: "Untitled" output: html_document --- ```{r} country It show error: processing file: Preview- 28 78539db5c7.Rmd Quitting from lines 6-8 (Preview- 28 78539db5c7.Rmd) Error in file(file, "rt") : cannot open the connection Calls: ... withCallingHandlers -> withVisible -> eval -> eval -> read.table - > file Execution halted But I can run code in R console successfully > country country production1 education1 fir1 inflation1 lq1 nonstatein1 patent1 tax1 trade1 2001 52920.47 132649.4 2.339263 0.700000 NA 19562

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I have a kendo Grid as follows. @( Html . Kendo (). Grid () . Name ( "WeeklyRevenue" ) . Resizable ( resizing => resizing . Columns ( true )) . Columns ( columns => { columns . Bound ( p => p . Number ). Width ( 100 ); columns . Bound ( p => p . Type ). Width ( 100 ); columns . Bound ( p => p . Week1 ). Format ( "{0:c}" ); columns . Bound ( p => p . Week2 ). Format ( "{0:c}" ); columns . Bound ( p => p . Week3 ). Format ( "{0:c}" ); columns . Bound ( p => p . Week4 ). Format ( "{0:c}" ); columns . Bound ( p => p . Week5 ). Format (

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: This question already has an answer here: How do I load a file from resource folder? 14 answers Windows 7 , x64, Java 11 How to read a file in resources folder in main. ClassLoader classloader = Thread.currentThread().getContextClassLoader(); // Input stream is null. InputStream is = App.class.getResourceAsStream(filename); BufferedReader br = new BufferedReader(new InputStreamReader(is)); return br.lines().collect(Collectors.toList()); I had a similar problem with test/resources . private static List<String> readLines(final String filename)

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm doing a simple script to check crc of all files... require "zlib" exit if Object.const_defined?(:Ocra) files = Dir.glob("*") File.open('dir.txt', 'a+') do |file| file.puts files end File.read('dir.txt').each_line { |line| file = File.read(line) ; nil file_crc = Zlib.crc32(file,0).to_s(16) puts line, file_crc } The problem is at the line File.read('dir.txt').each_line { |line| I get this error: test.rb:13:in `read': Invalid argument - 1.exe (Errno::EINVAL) from C:/Users/Administrador/Desktop/1.rb:13:in `block in <main>' from C:/Users

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I know how to read value from database using connectionstring, i.e. Establish database connection to read $conn = New - Object System . Data . SqlClient . SqlConnection $conn . ConnectionString = "Server=10.10.10.10;Initial Catalog=database_name;User Id=$username;Password=$password;" $SQL = "..." $conn . Open () # Create and execute the SQL Query $cmd = New - Object System . Data . SqlClient . SqlCommand ( $sql , $conn ) $count = 0 do { try { $rdr = $cmd . ExecuteReader () while ( $rdr . read ()){ $sql_output += ,@( $rdr . GetValue

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I've seen different libraries like SwiftCSV, CSwiftV. AFAIK, they made for previous versions of swift. I need a very simple realization for swift 3 : open file, read line, put into array; or open, write array to csv file, and that's it. Any help? I have: struct Data { var DataTime: Date = Date() var Price: Double = 0.0 } func DatafromCSV(_ CSV: String, _ separator: String) -> [Data] { var x = [Data]() //open file, read line, put into array, close file return x } func DatatoCSV(_ CSV: String, _ separator: String) -> [Data] { var x = [Data]()

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I need to read an unsigned int from a quicktime file, and write it back to another quicktime file. Currently I read the unsigned int into a Long but while writing it back I never managed to write the exact number back in 4 bytes as unsigned int. The long has the correct value that I need to write back. (eg 3289763894 or 370500) I am unable to even read the write a number smaller then Integer.MAX_VALUE (eg 2997). I am using the following methods to write the value back public void writeUInt32 ( long uint32 , DataOutputStream stream