invalid-characters | 易学教程

Spring to Oracle UTF-8 character truncation

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问题 I have an issue with invalid characters appearing in an Oracle database. The "¿" or upside-down question mark. I know its caused by UTF8 encoding's being put into the encoding of the Oracle database. Examples of characters I am expecting are ' – ' which looks like a normal hyphen but isnt, and ' ’ ' which should be a normal single quote. Input: "2020-08-31 – 2020-12-31" - looks like normal hyphen but not Output: "2020-08-31 ¿ 2020-12-31" I know the primary source of the characters are copy

Invalid Characters causing error in rlm()

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问题 A data frame which has invalid characters in the column names is causing an error in rlm(). Taking a deeper look, it appears that within rlm() the variable xvars contains the names of the formula's explanatory variables, but it puts backticks around the offending names. Then when xvars is used as an index to a data frame, namesly mf[xvars] it causes the following error: Error in `[.data.frame`(mf, xvars) : undefined columns selected Is this the expected behavior? (I realize the keyword phrase

Java DOM transforming and parsing arbitrary strings with invalid XML characters?

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问题 First of all I want to mention that this is not a duplicate of How to parse invalid (bad / not well-formed) XML? because I don't have a given invalid (or not well-formed) XML file but rather a given arbitrary Java String which may or may not contain an invalid XML character. I want to create a DOM Document containing a Text node with the given String , then transform it to a file. When the file is parsed to a DOM Document I want to get a String which is equal to the initial given String . I

How To Parse XML With Invalid Characters in Node Name?

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问题 So I'm trying to parse some XML, the creation of which is not under my control. The trouble is, they've somehow got nodes that look like this: <ID_INTERNAL_FEAT_FOCUSED_EXPERTISE_(MORNINGSTAR) /> <ID_INTERNAL_FEAT_FOCUSED_EXPERTISE_(QUARTERSTAFF) /> <ID_INTERNAL_FEAT_FOCUSED_EXPERTISE_(SCYTHE) /> <ID_INTERNAL_FEAT_FOCUSED_EXPERTISE_(TRATNYR) /> <ID_INTERNAL_FEAT_FOCUSED_EXPERTISE_(TRIPLE-HEADED_FLAIL) /> <ID_INTERNAL_FEAT_FOCUSED_EXPERTISE_(WARAXE) /> Visual Studio and .NET both feel that the

ASP.NET Invalid character in a Base-64 string

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问题 I recently implemented ELMAH on my site and I have noticed that we frequently get the "Invalid character in a Base-64 string" error. I have never triggered it myself and none of our users have complained about it so I don't know what is going on. From the little I was able to find about it it seems like the viewstate might be getting too big or becoming corrupted or something. Does anybody know what causes this and how to prevent it? Here are what I believe are the pertinent lines in the YSOD

filter/remove invalid xml characters from stream

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问题 First things first, I can not change the output of the xml, it is being produced by a third party. They are inserting invalid characters in the the xml. I am given a InputStream of the byte stream representation of the xml. Is their a cleaner way to filter out the offending characters besides consuming the stream into a String and processing it? I found this: using a FilterReader but that doesn't work for me as I have a byte stream and not a character stream. For what it's worth this is all

removing invalid XML characters from a string in java

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问题 Hi i would like to remove all invalid XML characters from a string. i would like to use a regular expression with the string.replace method. like line.replace(regExp,""); what is the right regExp to use ? invalid XML character is everything that is not this : [#x1-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF] thanks. 回答1: Java's regex supports supplementary characters, so you can specify those high ranges with two UTF-16 encoded chars. Here is the pattern for removing characters that are

SyntaxError: Invalid character '\u0008' message from the DOCTYPE tag

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问题 I am setting up a server and am getting a strange error I have never seen before: It is complaining about line 1 in the source, but that is just the DOCTYPE tag! <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />  ... As you can see I already tried setting the Content-Type to be something other than utf-8 . What is happening here? 回答1: The actual cause

Xhtml Invalid Characters?

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问题 I have made custom xhtml valdidator in .NET(validating through dtd + some extra rules) and I have noticed a discrepancy between my validation and w3c validation. In my validator I get the following error when there is colon in the id (let's say : id="mustang:horse") (Error) The 'id' attribute has an invalid value according to its data type. But I do not get any errors on w3c for this pattern. I tried to find a list of invalid characters for an attribute in xml/xhtml but couldn't find it?

c# Registry to XML Invalid character issue

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问题 I have a problem when trying to create an XML file from registry. On my laptop(W7 64b) it is working fine, the xml file is generated but on another computer (Xp 32b) an exception is thrown : System.ArgumentException '.', hexadecimal values 0x00, is an invalid character. I have read few useful things about it but I don't know how to solve in this case, here is the code : try { string regPath = "SOFTWARE\\IPS"; XElement xRegRoot = new XElement("Root", new XAttribute("Registry", regPath));