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This exception occurs when you read an XML file with sax, and you can see it in general on the Internet:1.BOMTest the InputStream in Java to see if there is a BOM that can be used with Apache Commons io Org.apache.commons.io.input.BOMInputStream, if your project has the introduction of IOThe basic knowledge of BOM can be consulted: http://www.unicode.org/faq/utf_bom.htmlAlso put a small way to filter the BO

The problem was caused by his carelessness, when it was fixed to the code, but there was no clue at all, knowing that I had found a problem in the realization.Here's the code for the error:datarow[] Tmpdrlist = TMPDT. Select (String. Format ("UserGroup = {0}", dr["UserGroup"]. ToString ()));The above code does not have any grammatical problems, only when the problem occurs at the time of operation, then the best solution, and finally from the business implementation found that the database field

With regard to the problem, there are two related server options. execSp_serveroption@server='cia-sh-svr-sis',@optname='RPC',@optvalue='true' execSp_serveroption@server='cia-sh-svr-sis',@optname='RPC out',@optvalue='true' There are usually two ways to fetch data from the linked server. The first is access with a full path, that is, select*From[Server].[Database].sys.objects 。 The other

Original address: http://blog.csdn.net/yaerfeng/article/details/7387871 Java Hibernate object I have a problem today. Rather distressed. The requirements are as follows: There are 2 objects with the same ID, but their values are different. The property value of one of the objects to use for another object. 2 objects with the same ID cannot be present in the Sessionfactory (). GetSession of Hibernate. So come up with a copy of the object. Looking for a lot of places, found that there are 2 ways

1. Int rand7 ()2 .{3. Return rand () % 7 + 1;4 .}5.6. Int rand10 ()7 .{8. Int x = 0;9. Do10 .{11. x = (rand7 ()-1) * 7 + rand7 ();12 .}13. While (x> 40 );14. Return X % 10 + 1;15 .}Analysis: To ensure the even distribution of rand10 () on integers 1-10, you can construct a random integer interval with a 1-10 * n unifor

Two arrays a [N], B [N], where each element value of A [N] is known, and B [I] is assigned a value, B [I] = a [0] * a [1] * a [2]… * A [N-1]/a [I] [Problem] 1. Division is not required. Two arrays a [N], B [N], where each element

In php, there is a multi-dimensional array $ barray (); and a string $ a [1] [1]; is there a way to retrieve the value at $ a from $ B? In other words, you can use $ a to represent $ B [1] [1. Reply to discussio

characters. if(SelectedRange1 POS) { return; } nsstring*nstextcontent =Textview.text; //Nsinteger existtextnum = nstextcontent.length;Nsinteger Existtextnum =[Nstextcontent Getstringlengthifisemojilengthasone]; if(Existtextnum >max_limit_nums) {ktoastwithstring (@"input reached limit") __block BOOL hasattachment=NO; [Textview.attributedtext Enumerateattributesinrange:nsmakerange (0, textView.attributedText.length) options:nsattributedstringenumerationreverse usingblock:^ (Nsdictionary

Due to the precision of the PHP floating point calculation, the order amount is often less than 1 point, and the order is less than 1 Recently, I encountered a strange problem: the mall often pays less than a penny for the Order, which was caused by the precision of the PHP floating point operation. It

To get this topic, we will first think of using loops to complete.But not every operator is a "+" sign.Therefore, we are here to use (-1) of the I-side to do "+" "-" number control.The loop variable i is then treated as the denominator.Here we have the idea of the loop body is basically OK.It

Bug report: http://www.jeasyui.com/forum/index.php? Topic = 545.0 Description: when the initial value of pagenumber is 2 (or an integer greater than 1), The DataGrid plug-in displays an exception in the "page number input box". The page number input box is always 1. Currently, you can rewrite a SectionCodeTo solv

Note: When calculating 1 to use a double type that is 1.0 . Odd even numbers are calculated separately and then merged. #include Label control +1,-1 with flag. #include Use the Function Pow Pow ( -1,i+

Tags: Android app development cloud service developer code Programmers are a long-standing industry. However, the developer service market has suddenly become very popular recently. In the face of various endless cloud services, such as cloud development, backend storage, and code hosting, is there a crazy pace in minutes ?! There are many code hosting services i

Use the for and while loops to calculate the value of e [e = 1 + 1/1! + 1/2! + 1/3! + 1/4! + 1/5! +... + 1/n!], While /* Write a program and

#include Be careful to define its type, divide it into two parts, and define it as "I" to see if the denominator is an odd or even number, and the sum is summed. C language: Calculate 1/1-1/2+1/3-

You have not met in SQL 1 is not equal to 1 (1Let's start with a brief introduction to the four numeric data types in the header.In T-SQL, numeric and decimal are exact numeric data types, while float and real are approximate numeric data types.Numeric and decimal are the same. Real is the same as float (24).When defin

What's the use of where 1=1? In the SQL language, writing such a sentence is not the same as writing. The select * FROM table1 where 1=1 is completely indistinguishable from the select * from table1, and there are even many other

Label:From:http://www.cnblogs.com/xiaochaohuashengmi/archive/2011/08/25/2153016.html What is the difference between MySQL int (1) tinyint (1)?I have specified the field length, does the type still make sense? The reply:mysql in int (1) and tinyint (1) only specify the displa

Why is the return value of string. find ()-1, string. find-1? It seems that I have seen this problem for a long time before. I cannot remember it. I encountered this problem again when I wrote a string today. The definition in the book is "string. when find () is not found,

What is the difference between php reverse reference 1 and $1? Php regular expression. someone will see it using \ 1. Use $1 later What are the differences between the two? Which one is generally used? Reply to discussion