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• map xml element to xsd complexType based on attribute

  - by Joshua Johnson

  Assume there exists an XML instance document that looks like this: <root> <object type="foo"> <!-- ... --> </object> <object type="bar"> <!-- ... --> </object> </root> My goal is to have a small (static) schema that verifies proper <element type="xxx" /> syntax for objects, and another schema (more prone to change) that verifies the contents of each object element against a complexType that matches the type attribute: <complexType name="foo"><!--should match object with type="foo"--></complexType> <complexType name="bar"><!--should match object with type="bar"--></complexType> What is the best way to accomplish this (or something similar)?

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• Java program strange behavior, how to fix it ?

  - by Frank

  My notebook has Intel CPU, running Windows Vista. My program looks like this : public class Tool_Lib_Simple { public static void main(String[] args) { System.out.println("123"); } } When I run it, I expect to see : "123", but the output was : "Hi NM : How are you NM ?" which was the old output from two days ago before I changed my program. If I copy this program into another project in Netbean 6.7, it will run correctly and output "123", and if I change the program name from "Tool_Lib_Simple" to something else, it will also output "123", but just not under the name of "Tool_Lib_Simple" in the current project's src directory, I've deleted the "build" directory and did re-compile, re-build, it still gives me "Hi NM : How are you NM ?" as a result, seems to me the old version of my program is saved in the hard drive or ram and got stuck there, I've programmed many years, hardly ever encounter this kind of problem, how to fix this ? Frank

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• What's the difference between logical SSE intrinsics?

  - by ~buratinas

  Hello, Is there any difference between logical SSE intrinsics for different types? For example if we take OR operation, there are three intrinsics: _mm_or_ps, _mm_or_pd and _mm_or_si128. My questions: Is there any difference between using one or another intrinsic (with appropriate type casting). Won't there be any hidden costs like longer execution in some specific situation? These intrinsics maps to three different x86 instructions (por, orps, orpd). Does anyone have any ideas why Intel is wasting precious opcode space for several instructions which do the same thing?

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• MySQL Stored Procedure: Boolean Logic in IF THEN

  - by xncroft

  I'm looking for the proper syntax (if this is possible in MySQL stored procedures) for using logical operators in an IF THEN statement. Here's something along the lines of what I would like to do, but I'm not certain if I should type "OR" or "||" in the IF ... THEN clause: DELIMITER $$ CREATE PROCEDURE `MyStoredProc` (_id INT) BEGIN DECLARE testVal1 INT DEFAULT 0; DECLARE testVal2 INT DEFAULT 0; SELECT value1, value2 INTO testVal1, testVal2 FROM ValueTable WHERE id = _id; IF testVal1 > 0 OR testVal2 > 0 THEN UPDATE ValueTable SET value1 = (value1+1) WHERE id=_id; END IF; END$$

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• Error in Jaclplus component

  - by Aruna

  Hi, I am working on Joomla 1.5 and our site is using the Bluehost server.Till March 9th, 2010 our site was working perfectly.And on March 10th,2010 , the following error was shown in the site as Warning: Unexpected character in input: '' (ASCII=28) state=1 in /home1/tcscoinc/public_html/tcsrnd/administrator/components/com_jaclplus/jac lplus.class.php on line 73 Parse error: syntax error, unexpected T_STRING in /home1/tcscoinc/public_html/tcsrnd/administrator/components/com_jaclplus/jac lplus.class.php on line 73 For time being, i have just renamed the file jaclplus.class.php to make the site to function. As we are using Jaclplus component and we have purchased the Jaclplus component from Byos Tech , i have checked in the membership details.And we found that our Membership has been expired on 03/10/2010 . I have asked them but they had replied that it may not be a problem on membership. Please anyone share what can be the reason for the error.I am not able to open that file(jaclplus.class.php) since its a binary file.

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• Microsoft SQL Server 2005 - using the modulo operator

  - by cc0

  So I have a silly problem, I have not used much SQL Server before, or any SQL for that matter. I basically have a minor mathematical problem that I need solved, and I thought modulo would be good. I have a number of dates in the database, but I need them be rounded off to the closest [dynamic integer] (could be anything from 0 to 5000000) which will be input as a parameter each time this query is called. So I thought I'd use modulo to find the remainder, then subtract that remainder from the date. If there is a better way, or an integrated function, please let me know! What would be the syntax for that? I've tried a lot of things, but I keep getting error messages like integers/floats/decimals can't be used with the modulo operators. I tried casting to all kinds of numeric datatypes. Any help would be appreciated.

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• Regex Problem in PHP

  - by Chris

  I'm attempting to utilize the following Regex pattern: $regex = '/Name: [a-zA-Z ]*] [0-9]/'; When testing it in Rubular, it works fine, but when using PHP the expression never returns true, even when it should. Incidentally, if I remove the "[0-9]" part, it works fine. Is there some difference in PHP's regex syntax that I'm overlooking? Edit: I'm looking for the characters "Name:" then a name containing any number of letters or spaces, then a "]", then a space, then a single number. So "Name: Chris] 5" would return true and "Name: Chris] [lorem ipsum]" should return false. I also tried escaping the second bracket "\[" but this did not fix the problem.

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• sed regex to match ['', 'WR' or 'RN'] + 2-4 digits

  - by Karl

  Hi I'm trying to do some conditional text processing on Unix and struggling with the syntax. I want to acheive Find the first 2, 3 or 4 digits in the string if 2 characters before the found digits are 'WR' (could also be lower case) Variable = the string we've found (e.g. WR1234) Type = "work request" else if 2 characters before the found digits are 'RN' (could also be lower case) Variable = the string we've found (e.g. RN1234) Type = "release note" else Variable = "WR" + the string we've found (Prepend 'WR' to the digits) Type = "Work request" fi fi I'm doing this in a Bash shell on Red Hat Enterprise Linux Server release 5.5 (Tikanga) Thanks in advance, Karl

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• fast algorithm implementation to sort very small set

  - by aaa

  hello. This is the problem I ran into long time ago. I thought I may ask your for your ideas. assume I have very small set of numbers (integers), 4 or 8 elements, that need to be sorted, fast. what would be the best approach/algorithm? my approach was to use the max/min functions. I guess my question pertains more to implementation, rather than type of algorithm. At this point it becomes somewhat hardware dependent , so let us assume Intel 64-bit processor with SSE3 . Thanks

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• Passing more than 1 form field

  - by cf_PhillipSenn

  I'm trying to update the LastName field for PersonID. I can pass PersonID, but I don't know the syntax for also passing the LastName field. $('input[name="LastName"]').live('focusout', function() { var PersonID = $(this).parents("tr").attr("ID"); var LastName = $(this).val(); // todo: serialize $.ajax({ url:'Remote/Person.cfc?method=UpdateLastName&returnformat=json' ,data:'PersonID='+PersonID }); $(this).parents("td").empty().append(LastName); }); Q: Is is something like data:{'PersonID='+PersonID,'LastName='+LastName} Am I missing a squiggly line or a parenthesis or comma or dot or colon or semi-colon or something?

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• Endianness inside CPU registers

  - by Abhishek Tamhane

  I need help understanding endianness inside CPU registers of x86 processors. I wrote this small assembly program: section .data section .bss section .text global _start _start: nop mov eax, 0x78FF5ABC mov ebx,'WXYZ' nop ; GDB breakpoint here. mov eax, 1 mov ebx, 0 int 0x80 I ran this program in GDB with a breakpoint on line number 10 (commented in the source above). At this breakpoint, info registers shows the value of eax=0x78ff5abc and ebx=0x5a595857. Since the ASCII codes for W, X, Y, Z are 57, 58, 59, 5A respectively; and intel is little endian, 0x5a595857 seems like the correct byte order (least significant byte first). Why isn't then the output for eax register 0xbc5aff78 (least significant byte of the number 0x78ff5abc first) instead of 0x78ff5abc?

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• Using a "local" S3 emulation layer as a replacement for HDFS?

  - by user183394

  I have been testing out the most recent Cloudera CDH4 hadoop-conf-pseudo (i.e. MRv2 or YARN) on a notebook, which has 4 cores, 8GB RAM, an Intel X25MG2 SSD, and runs a S3 emulation layer my colleagues and I wrote in C++. The OS is Ubuntu 12.04LTS 64bit. So far so good. Looking at Setting up hadoop to use S3 as a replacement for HDFS, I would like to do it on my notebook. Nevertheless, I can't find where I can change the jets3t.properties for setting the end point to localhost. I downloaded the hadoop-2.0.1-alpha.tar.gz and searched the source without finding out a clue. There is a similar Q on SO Using s3 as fs.default.name or HDFS?, but I want to use our own lightweight and fast S3 emulation layer, instead of AWS S3, for our experiments. I would appreciate a hint as to how I can change the end point to a different hostname. Regards, --Zack

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• Which revision of html5lib is stable?

  - by Mat

  html5lib notes that it's latest release (0.11) is somewhat old. Using the Python portion, I have recursion problems as noted in Issue 70 and Issue 59 but can't find a recent Mercurial revision that is stable. The latest tip is no good, I got the following error from python setup.py install: byte-compiling build/bdist.linux-x86_64/egg/html5lib/treewalkers/_base.py to _base.pyc File "build/bdist.linux-x86_64/egg/html5lib/treewalkers/_base.py", line 40 "data": []} ^ SyntaxError: invalid syntax And I get the following errors at runtime: soup = parser.parse(page.read()) File "build/bdist.linux-x86_64/egg/html5lib/html5parser.py", line 165, in parse File "build/bdist.linux-x86_64/egg/html5lib/html5parser.py", line 144, in _parse File "build/bdist.linux-x86_64/egg/html5lib/html5parser.py", line 454, in processDoctype TypeError: insertDoctype() takes exactly 4 arguments (2 given) I'm using it on Python 2.5.2 with lxml and BeautifulSoup.

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• Differences between Perl and PHP

  - by lok

  I'm planning to lern Perl 5 and as I have only used PHP until now, I wanted to know a bit about how the languages differ from each other. As PHP started out as a set of "Perl hacks" it has obviously cloned some of Perls features. What are the main differences in the syntax? Is it true that with Perl you have more options and ways to express something? Why is Perl not used for dynamic websites very often anymore? What made PHP gain more popularity than it?

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• Set query FROM table using report parameter in BIRT

  - by Adam

  Hi, I am using the BIRT report writer, and I have multiple tables with the same data structure. In my report design, I want to select the table my query uses as a report parameter (as part of a mysql query in the data set) -- but I can't figure it out. When I create the data set, it's great that I can use parameters in the form of SELECT * FROM WHERE ?, and set these to report parameters, but I get an error if I set the ? to the table, such as: SELECT * FROM ? WHERE 1 Is there another way I can do this? As it's java, I assume the syntax follows that of a PreparedStatement. In BIRT 2.5 there is a property binding option under the data set dialog... and I've tried setting my query as: "SELECT * FROM "+params["DataTable"].value+" WHERE 1", but that was also results in an error.

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• Getting Unexpected '<' in simple less than greater than comparison

  - by Elizabeth Buckwalter

  I feel very very very silly posting this, but I can't find the answer. I've searched google and here. // originally values in a multi dimensional array, but used simple values // to rule out errors. $somenumber = 1; $anotherone=5; if ($somenumber < $res->shares < $anotherone ) { blah } Get the error: Parse error: syntax error, unexpected '<' Seems pretty simple and straight forward. Is there some weird thing that you can't compare multiple values? Do I have to explicitly type? It works in Perl. Which of course means that it has to work like this in everything else. ;)

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• PHP - Opening uploaded DOCX files with the correct MIME TYPE

  - by user270797

  I have users uploading DOCX files which I make available for download. The issues we have been experiencing is the unknown mime types of DOCX files which causes IE to open these docs as Zip files. It is running on a Windows/IIS server. Because this is a shared host, I cannot change any server settings. I was thinking that I could just write some code that would handle DOCX files, perhaps custom output: if (extension=docx) { header("Content-Disposition: attachment; etc) header('Content-Type: application/application/vnd.openxmlformats-officedocument.wordprocessingml.document'); Output the file contents etc } Would this be a viable solution?? If so, can someone help fill in the gaps? (PS I know the above syntax is not correct, just a quick example)

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• How do I flip a column in mysql that has data structured: 'last name, first name'?

  - by ggg

  I want to create a new column in a MYSQL table that has Fn Ln instead of Ln, Fn. Most of my data is printed Fn Ln. Another idea is to incorporate a string function each time there is an output (php based) but that seems to waste resources. Finally, I couldn't find the syntax (loop or foreach) for my php function anyway. Here is the working php function that I got from a previous post: $name = "Lastname, Firstname"; $names = explode(", ", $name); $name = $names[1] . " " . $names[0];

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• Adding LDAP OU using Net::LDAP

  - by lupindeterd

  What is the correct syntax of adding an OU using Net::LDAP, I tried the following: #!/usr/bin/perl -w use 5.10.1; use strict; use Net::LDAP; use Data::Dumper; my $ldap = Net::LDAP->new("192.168.183.2") or die "$@"; my $mesg = $ldap->bind( "cn=admin,dc=lab,dc=net", password => 'xxx' ); $mesg = $ldap->add( "ou=Users,dc=lab,dc=net", attrs => [ 'ou' => 'dc=Users', 'objectClass' => [ 'top', 'organizationalUnit' ] ] ); say $mesg->error; say $mesg->code; And got the following error: value of naming attribute 'ou' is not present in entry 64 However using the ldapmodify command line, and using this following ldif, works: dn: ou=Users,dc=lab,dc=net changetype: add objectclass: top objectclass: organizationalUnit ou: Users

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• Mongomapper query collection problem

  - by kylemac

  When I define the User has_many meetings, it automatically creates a "user_id" key/value pair to relate to the User collections. Except I can't run any mongo_mapper finds using this value, without it returning nil or []. Meeting.first(:user_id = "1234") Meeting.all(:user_id = "1234") Meeting.find(:user_id = "1234") All return nil. Is there another syntax? Basically I can't run a query on the automatically generated associative ObjectId. # Methods class User include MongoMapper::Document key :user_name, String, :required = true key :password, String many :meetings end class Meeting include MongoMapper::Document key :name, String, :required = true key :count, Integer, :default = 1 end # Sinatra get '/add' do user = User.new user.meetings "foobar") #should read: Meeting.new(:name = "foobar") user.save end get '/find' do test = Meeting.first(:user_id = "4b4f9d6d348f82370b000001") #this is the _id of the newly create user p test # WTF! returns [] end

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• Teradata equivalent of persisted computed column (in SQL Server)

  - by Cade Roux

  We have a few tables with persisted computed columns in SQL Server. Is there an equivalent of this in Teradata? And, if so, what is the syntax and are there any limitations? The particular computed columns I am looking at conform some account numbers by removing leading zeros - an index is also created on this conformed account number: ACCT_NUM_std AS ISNULL(CONVERT(varchar(39), SUBSTRING(LTRIM(RTRIM([ACCT_NUM])), PATINDEX('%[^0]%', LTRIM(RTRIM([ACCT_NUM])) + '.' ), LEN(LTRIM(RTRIM([ACCT_NUM]))) ) ), '' ) PERSISTED With the Teradata TRIM function, the trimming part would be a little simpler: ACCT_NUM_std AS COALESCE(CAST(TRIM(LEADING '0' FROM TRIM(BOTH FROM ACCT_NUM))) AS varchar(39)), '' ) I guess I could just make this a normal column and put the code to standardize the account numbers in all the processes which insert into the table. We did this to put the standardization code in one place.

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• Csharp component which generates fragmens with highlights for diffs for 2 strings

  - by MicMit

  I need C# equivalent ( ideally open source ) which is similar to Delphi DLL. I am currently using the wrapper ( C# syntax is provided , but it is a call from a different language ) zdiff( string ref str1, string ref str2, int range , int trim ) it calls inside str1 = GetHiDiff(@str1,1,trim) str2 = GetHiDiff(@str1,2,trim) where function GetHiDiff(s:pchar; sIndex:integer; wtrim:integer): pchar; stdcall; What it does it returns a left fragment html of str1 and a right html fragment of str2 with diffs highlighted as strings are passed by reference. Range parameter determines the size of html fragment. Not sure what trim 0 does.

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• "The left hand side of an assignment must be a variable" due to extra parentheses

  - by polygenelubricants

  I know why the following code doesn't compile: public class Main { public static void main(String args[]) { main((null)); // this is fine! (main(null)); // this is NOT! } } What I'm wondering is why my compiler (javac 1.6.0_17, Windows version) is complaining "The left hand side of an assignment must be a variable". I'd expect something like "Don't put parentheses around a method invokation, dummy!", instead. So why is the compiler making a totally unhelpful complaint about something that is blatantly irrelevant? Is this the result of an ambiguity in the grammar? A bug in the compiler? If it's the former, could you design a language such that a compiler would never be so off-base about a syntax error like this?

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• built-in schema datatype for html / xhtml

  - by John Clements

  Is there a built-in schema datatype for xhtml data? Suppose I want to specify a "boozle" element that contains two "woozles", each of which is arbitrary xhtml. I want to write something like this, using the relax NG compact syntax: namespace nifty = "http://brinckerhoff.org/nifty/" start = element nifty:boozle {woozle, woozle} woozle = element nifty:woozle {xhtml} Unfortunately, xmllint then signals this error: ./lab.rng:43: element ref: Relax-NG parser error : Reference xhtml has no matching definition ./lab.rng:43: element ref: Relax-NG parser error : Internal found no define for ref xhtml So my question is this: is there something sensible that I should put in place of "xhtml" above?

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• More pythonic way to iterate

  - by fmark

  I am using a module that is part of a commercial software API. The good news is there is a python module - the bad news is that its pretty unpythonic. To iterate over rows, the follwoing syntax is used: cursor = gp.getcursor(table) row = cursor.Next() while row: #do something with row row = cursor.next() What is the most pythonic way to deal with this situation? I have considered creating a first class function/generator and wrapping calls to a for loop in it: def cursor_iterator(cursor): row = cursor.Next() while row: yield row row = cursor.next() [...] cursor = gp.getcursor(table) for row in cursor_iterator(cursor): # do something with row This is an improvement, but feels a little clumsy. Is there a more pythonic approach? Should I create a wrapper class around the table type?

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