special-characters

问题 I need help removing non UTF-8 character from my word cloud. So far this is my code. I've tried gsub and removeWords and they are still there in my word cloud and I do not know what to do to get rid of them. Any help would be appreciated. Thank you for your time. txt <- readLines("11-0.txt") corpus = VCorpus(VectorSource(txt)) gsub("’","‘","",txt) corpus = tm_map(corpus, content_transformer(tolower)) corpus = tm_map(corpus, removeWords, stopwords("english")) corpus = tm_map(corpus,

问题 For the past few days, we are seeing a strange behavior on executing Git commands. Command executed: git show 08fcf54adc7bbb75a54b14625fdeea7608d44a23 > sample.patch On opening the file sample.patch through vi editor , we are seeing a lot of special characters; a sample output file looks like: ^[[33mcommit 08fcf54adc7bbb75a54b14625fdeea7608d44a23^[[m Author: Anshul Gupta <anshul.gupta@lnttechservices.com> Date: Wed Nov 26 23:27:20 2014 +0400 Remove redundant logs from EPD driver Change-Id:

问题 I am writing a program that simply retypes the text from the data file. The program works until it hits its first special character. Here is an example: data file Hey what is up? what i get Hey what is up (throws illegal argument exception) Here is my code: public static void KeyPresser() throws FileNotFoundException, AWTException { Robot robot = new Robot(); Scanner file = new Scanner(new File("script.dat")); while(file.hasNext()) { String word = file.nextLine(); for(int i = 0;i<word.length(

问题 I am writing a program that simply retypes the text from the data file. The program works until it hits its first special character. Here is an example: data file Hey what is up? what i get Hey what is up (throws illegal argument exception) Here is my code: public static void KeyPresser() throws FileNotFoundException, AWTException { Robot robot = new Robot(); Scanner file = new Scanner(new File("script.dat")); while(file.hasNext()) { String word = file.nextLine(); for(int i = 0;i<word.length(

问题 I have a ton of files containing em dashes within the file name. I am having trouble renaming them, as cmd apparently fails to recognize it, and converts emdash into a regular dash. As a result I get the following error after I run the ren command: ren "MyFile With – EmDash.txt" "MyFile.txt" The system cannot find the file specified. Things I have tried Inserting chcp 65001 at start of batch code. This command does not seem to work. Saving the batch file as ANSI in Notepad What this does is

问题 Does anybody have any insight or encountered with this SQL Server behavior, when blank value is converted into data type " char " or column which have " char " as data type - processed using For XML PATH , it returned XML result with " &#20; " special characters encoding for space, When same blank value converted with varchar - it returns empty tag. My desired result is empty tag. SELECT field=CONVERT(CHAR(10),'') FOR XML PATH(''), ELEMENTS --RESULT: <field> </field> SELECT field=CONVERT

问题 Does anybody have any insight or encountered with this SQL Server behavior, when blank value is converted into data type " char " or column which have " char " as data type - processed using For XML PATH , it returned XML result with " &#20; " special characters encoding for space, When same blank value converted with varchar - it returns empty tag. My desired result is empty tag. SELECT field=CONVERT(CHAR(10),'') FOR XML PATH(''), ELEMENTS --RESULT: <field> </field> SELECT field=CONVERT

问题 We got a get request that sends string characters in url, so we use path variables to receive them. Apparently there is no way that the calling service would change its method of calling backend so we need to be able to accept a url with the following unencoded characters: When percentage sign % is sent a http 400 is returned. It does go through if the two characters following % make up an UTF-encoded character Backslash is converted into a forward slash. I need it to stay backslash. I'm

问题 I'm having issues dealing with the single quote while using it in a prepared statement in JAVA via Oracle JDBC. Let's say we have a table Restaurant with a column restaurant_name with 1 value : Jack's Deli I want to use a simple prepared statement query like this: String result = "Jack\'\'s Deli" String sqlStatement = "select * from Restaurant where restauraunt_name like ? escape '\\' "; PreparedStatement pStmt = conn.prepareStatement(sqlStatement); pstmt.setString(1, result); The result

问题 I'm having issues dealing with the single quote while using it in a prepared statement in JAVA via Oracle JDBC. Let's say we have a table Restaurant with a column restaurant_name with 1 value : Jack's Deli I want to use a simple prepared statement query like this: String result = "Jack\'\'s Deli" String sqlStatement = "select * from Restaurant where restauraunt_name like ? escape '\\' "; PreparedStatement pStmt = conn.prepareStatement(sqlStatement); pstmt.setString(1, result); The result