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• How to properly add newlines to an XML string in PHP?

  - by stormist

  I have some xml that I manually construct in a function that is something like: $xml = "<myxml>"; $xml .= "<items>"; $xml .= "<item1>blah</item1>"; $xml .= "</items>"; $xml .= "</myxml>"; When I output the string though I'd like the newlines to be present. How can I add this to the string without affecting a web service accepting the xml? Do newlines in XML even matter?

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• How do I find out if the variable is declared in Python?

  - by golergka

  I want to use a module as a singleton referenced in other modules. It looks something like this (that's not actually a code I'm working on, but I simplified it to throw away all unrelated stuff): main.py import singleton import printer def main(): singleton.Init(1,2) printer.Print() if __name__ == '__main__': pass singleton.py variable1 = '' variable2 = '' def Init(var1, var2) variable1 = var1 variable2 = var2 printer.py import singleton def Print() print singleton.variable1 print singleton.variable2 I expect to get output 1/2, but instead get empty space. I understand that after I imported singleton to the print.py module the variables got initialized again. So I think that I must check if they were intialized before in singleton.py: if not (variable1): variable1 = '' if not (variable2) variable2 = '' But I don't know how to do that. Or there is a better way to use singleton modules in python that I'm not aware of :)

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• Arraylist as repeater datasource (how to access from .aspx)

  - by Phil

  I have an arraylist: Dim downloadsarray As New ArrayList downloadsarray.Add(iconlink) downloadsarray.Add(imgpath) downloadsarray.Add(filesize) downloadsarray.Add(description) Which is the datasource of my repeater: DownloadsRepeater.DataSource = downloadsarray DownloadsRepeater.DataBind() Please can you tell me how I output the items in the array to the .aspx page. I usually use (when using sqldatareader as datasource): <%#Container.DataItem("1stcolumnnamestring")%> <%#Container.DataItem("2ndcolumnnamestring")%> But this does not work when using the arraylist as datasource. Thanks. ps... I know how to use <%#Container.DataItem% to dump everything but I need to get at the items in the array individually, not have them all ditched out to the page in one go. For example, item 1 contains a link, item 2 contains an image path, item 3 contains a description. I need to have them kick out in the correct order to build the link and icon correctly.

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• How do I write escape characters verbatim (without escaping) in C# using StreamWriter?

  - by Joel

  I'm writing a utility that takes in a .resx file and creates a javascript object containing properties for all the name/value pairs in the .resx file. This is all well and good, until one of the values in the .resx is This dealer accepts electronic orders. /r/nClick to order {0} from this dealer. I'm adding the name/value pairs to the js object like this: streamWriter.Write(string.Format("\n{0} : \"{1}\"", kvp.Key, kvp.Value)); When kvp.Value = "This dealer accepts electronic orders./r/nClick to order {0} from this dealer." This causes StreamWriter.Write() to actually place a newline in between 'orders.' and 'Click', which naturally screws up my javascript output. I've tried different things with @ and without using string.Format, but I've had no luck. Any suggestions?

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• SQL 2005: Select top N, group by ID with joins

  - by Suzy Fresh

  I'm having real difficulty with a query involving 3 tables. I need to get the 3 newest users per department grouped by department names. The groups should be sorted by the users.dateadded so the department with the newest activity is first. The users can exist in multiple departments so Im using a lookup table that just contains the userID and deptID. My tables are as follows. Department - depID|name Users - userID|name|dateadded DepUsers - depID|userID The output I need would be Receiving John Doe - 4/23/2010 Bill Smith - 4/22/2010 Accounting Steve Jones - 4/22/2010 John Doe - 4/21/2010 Auditing Steve Jones - 4/21/2010 Bill Smith - 4/21/2010

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• Pear MDB2 class and raiserror exceptions in SQL Server

  - by drholzmichl

  Hi, in SQL Server it's possible to raise an error with raiserror(). I want to use a severity, which doesn't interrupt the connection. This error is raised in a stored procedure. In SQL Management Studio all is fine and I get my error code when executing this SP. But when trying to execute this SP via MDB2 in PHP5 this doesn't work. All I get is an empty array. MDB2 object is created via (including needed options): $db =& MDB2::connect($dsn); $db->setFetchMode(MDB2_FETCHMODE_ASSOC); $db->setOption('portability',MDB2_PORTABILITY_ALL ^ MDB2_PORTABILITY_EMPTY_TO_NULL); The following works (I get a PEAR error): $db->query("RAISERROR('test',11,0);"); But when calling a stored procedure which raises this error via $db->query("EXEC sp_raise_error"); there is not output. What's wrong?

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• Why Does Piping Binary Text to the Screen often Horck a Terminal

  - by Alan Storm

  Imaginary Situation: You’ve used mysqldump to create a backup of a mysql database. This database has columns that are blobs. That means your “text” dump files contains both strings and binary data (binary data stored as strings?) If you cat this file to the screen $ cat dump.mysql you’ll often get unexpected results. The terminal will start beeping, and then the output finishes scrolling by you’ll often have garbage chacters entered on your terminal as through you’d typed them, and sometimes your prompts and anything you type will be garbage characters. Why does this happen? Put another way, I think I’m looking for an overview of what’s actually happening when you store binary strings into a file, and when you cat those files, and when the results of the cat are reported to the terminal, and any other steps I’m missing.

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• http streaming using java servlet

  - by Shamik

  I have a servlet based web application which produces two sets of data. One set of data in the webpage which is essential and other set which is optional. I would like to render the essential data as fast as possible and then stream the optional data. I was thinking of writing the essential data to the output stream of HttpServletRequest and then call HttpServletRequest.flushBuffer() to commit the response to the client, but do not return from the servlet code, but instead create the optional data , write that to the outputstream again and then return from servlet code. What are the things that could go wrong in this scheme ? Is this a standard practice to achieve this goal?

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• Obtaining references to function objects on the execution stack from the frame object?

  - by Marcin

  Given the output of inspect.stack(), is it possible to get the function objects from anywhere from the stack frame and call these? If so, how? (I already know how to get the names of the functions.) Here is what I'm getting at: Let's say I'm a function and I'm trying to determine if my caller is a generator or a regular function? I need to call inspect.isgeneratorfunction() on the function object. And how do you figure out who called you? inspect.stack(), right? So if I can somehow put those together, I'll have the answer to my question. Perhaps there is an easier way to do this?

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• ASP.NET and Winforms: What PDF reporting tools are out there and recommended?

  - by Mark Redman

  I have ActiveReports for .Net which is a great tool, however the version I have is not going to support Visual Studio 2010. Active Reports quite pricey, so just wondering if there are any better alternatives out there at a competitive price or even open source, before I consider upgrading. I am looking for a reporting tool specifically, that has a designer and is programmable etc, not looking for something that can just produce PDF, eg iTextSharp etc. Output will primarily be PDF for web and windows applications. Using various databases, SQL Server, SQL Server Express, Azure and SQLite, so not sure SQL Server reporting services will work for all these cases. All coments appreciated.

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• Unicode at IIS 7 on Windows 2008 Server SP2

  - by Yuri

  Hello, I have simple page in php which gets argument with get method. The page just prints the argument. Nothing more. It works properly with english chars. If i pass as argument value in some Unicode language (etc Russian), then the value of the argument printed as question marks. How to solve the issue? Thank you, Yuri P.S. adding header with utf-8 doesn't help. this is the get: mypage.php?src=uploaded_files/????.mp3 this is the encoding: <meta http-equiv="content-type" content="text/html; charset=utf-8" and this is the output: uploaded_files/????.mp3

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• JQuery validation - how to set the title attribute to the error message

  - by JK

  In JQuery validation the default behavior on an error is to create a label like so: <label for="FirstName" generated="true" class="error">This field is required.</label> Is it possible to change it so that it will output this instead (with a title attribute set to the error message)? <label for="FirstName" generated="true" class="error" title="This field is required.">This field is required.</label> I've tried the highlight method, but the label has not been created yet: $("#form").validate({ highlight: function (element, errorClass) { var label = $("label[for=" + element.id + "]"); // but label doesn't exist yet so this doesnt work if (label && label.length > 0) { // label.length is always 0 label.attr('title', label.text()); } } });

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• Combinig JQuery datapicker with input field validation /filter

  - by Olav

  I am using the JQueryui Datepicker. But it doesn't really affect values entered manually in the input-field. Is there some way I can use the same (client) code to specify mask / validation on the input field (when the datapicker is not used - not just have datepicker output the correct format). What would be the most consistent way to do this in the JQuery framework? Thanks Remarks It seems jQuery put som restraints on input (I.e. I can only enter digits- mask "yymmdd") so the main thing is to get validation.

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• Eclipse CDT printing selected C code snippets/functions

  - by Sint

  Is there a quick and dirty way to print(to dead trees) selected code (C in this case) snippets? In particular, I wanted to print about 200 lines worth of code, but print dialog only offers printing of particular pages or all pages, but not selected text! Of course, one can copy and paste into another editor, but that seems rather harsh. Also, one can output the whole shebang to .pdf but that again seems a way of doing things wrong. Perhaps there is a better way? System: Ubuntu 10.04, Eclipse 3.5 with CDT, Subversive plugin

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• SQl rows to columns conversion

  - by Thihara

  Hi, I have a table ClassAttendance and I'm using MSSQL 2005 studentID--attendanceDate---------------------------------------status 1004--------2010-03-17--------------------------------------------------0 1005--------2010-03-17--------------------------------------------------1 1006--------2010-03-17--------------------------------------------------0 1007--------2010-03-17--------------------------------------------------0 1004--------2010-03-19--------------------------------------------------0 1005--------2010-03-19--------------------------------------------------1 1006--------2010-03-19--------------------------------------------------0 1007--------2010-03-19--------------------------------------------------0 1004--------2010-03-20--------------------------------------------------1 as you can see studentID is a foreign Key for a table called StudentData and attendedDate has an unknown number of rows. Can i get the output like below by using a query? I need the dates in one month to be columns and the value of the date columns will be values in the status column. The number of date records per studentID is the same its the number of dates in the attendanceDate filed that is unknown. studentID---------2010-03-17--------2010-03-19------2010-03-20 1004-----------------------------0----------------------0--------------------1 etc. This is for a creating a report so I need to do it in a query. Please help if you can.

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• 2-way anova on unbalanced dataset

  - by mortalitysequence

  Is aov appropriate for unbalanced datasets. According to help ...provides a wrapper to lm for fitting linear models to balanced or unbalanced experimental designs. But later on it says aov is designed for balanced designs, and the results can be hard to interpret without balance. How should I perform a 2-way anova on an unbalanced dataset in R? I would like to reproduce the different results for type I and type III sum of squares of SAS output (when using proc glm). I remember we were using type III sum of squares for unbalanced datasets. Thank you in advance.

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• Command Line arguments - PHP

  - by Chaitanya

  Am trying the following php script which finds out the maximum between 2 numbers, it accepts the arguments through command line. I check whether the input is provided right, based on the number of command line arguments. <?php function larger($arg1,$arg2) { return max($arg1,$arg2); } if($argc > 3 || $argc < 3) print 'Invalid Arguments'; exit(1); if($argc==3) { print larger($argv[1],$argv[2]); } ?> Am executing the program in a windows system, and the file resides in xampp/php directory. While executing I don't get any output neither any error report. How do i check whether am right or wrong?

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• What happened to the Windows "Midi Mapper"

  - by interstar

  I wrote a windows program many years ago, which created music by sending notes to the "midi mapper" (and thence to the midi-synth on my sound-card) Today, I have a soft-synth which, allegedly accepts midi information, so I'd assume it should be possible to use today's equivalent of a midi-mapper to route the midi output from my program to the soft-synth. There's clearly no longer a midi-mapper application in windows, but my program still works (on XP) in that it drives the built-in soundcard synth, so there must be some sort of midi handling layer in windows. How can I get at this? And maybe redirect the midi to the soft-synth?

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• How can I get JavaDoc into a JunitReport?

  - by benklaasen

  Hi - I'm a tester, with some Java and plenty of bash coding experience. My team is building an automated functional test harness using JUnit 4 and ant. Testers write automated tests in Java and use JavaDoc to document these tests. We're using ant's JunitReport task to generate our test result reports. This works superbly for reporting. What we're missing, however, is a way to combine those JavaDoc free-text descriptions of what the test does along with the JunitReport results. My question is, what's involved to get the JavaDoc into the JunitReport output? I'd like to be able to inject the JavaDoc for a given test method into the JunitReport at the level of each method result. regards Ben

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• Wunderground and UTC Offset

  - by Brandon

  I am consuming the international weather forecasts via Wunderground's XML API: http://wiki.wunderground.com/index.php/API_-_XML Looking at an output for Kabul, Afghanistan for instance: http://api.wunderground.com/auto/wui/geo/ForecastXML/index.xml?query=OAKB I notice that there is no UTC offset. The closest that I can see is this: <tz_short>AFT</tz_short> Which identifies the current TimeZone is AFT. The problem I see is that there is no universally accepted time zone abbreviations, so I cannot take these abbreviations and look up and offset from C#'s TimeZoneInfo objects. Is there a listing of Wunderground's Time Zones abbreviations/names/offsets so I can map their Time Zones to the TimeZoneInfo objects, or is there a better way to get this information? I will need to use the TimeZoneInfo so I can calculate daylight savings time for different locations internationally.

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• tool for adding parentheses to equations?

  - by jedierikb

  Is there an online tool for adding parentheses to simple math equations? For example, a + b * c into a + (b * c) Those who paid more attention in math class might be able to tackle order of operations for huge equations in their head, but I could often use some help (and verification of my thinking). I often encounter other people's libraries having equations and functions I need for my code, and this would be kind of helpful for debugging and understanding. I was hoping Wolfram Alpha would do this, but the output is not easy to plug back into most programming languages e.g. a + (bc)

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• Good way to format decimal in SQL Server

  - by Brad

  We store a decimal(9,8) in our database. It can have any number of places after the decimal point (well, no more than 8). I am frustrated because I want to display it as human-readable text as part of a larger string created on the server. I want as many decimals to the right of the decimal point as are non-zero, for example: 0.05 0.12345 3.14159265 Are all good If I do CAST(d AS varchar(50)) I get formatting like: 0.05000000 0.12345000 3.14159265 I get similar output if I cast/convert to a float or other type before casting to a varchar. I know how to do a fixed number of decimal places, such as: 0.050 0.123 3.142 But that is not what I want. Yes, I know I can do this through complicated string manipulation (REPLACE, etc), there should be a good way to do it.

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• Jetty ant task hangs in build

  - by Kate Ansolis

  I have a problem when I run Jetty task with my war file. Here is my output: [jetty] Configuring Jetty for project: Guardian [jetty] 2010-08-23 18:53:09.062:INFO::Logging to STDERR via org.mortbay.log.StdErrLog [jetty] [jetty] Configuring Jetty for web application: project [jetty] Webapp source directory = C:\Projects\GUARDIAN\build\dist\project.war [jetty] Context path = / [jetty] Classpath = [] [jetty] Default scanned paths = [] [jetty] Extra scan targets = [] [jetty] Temp directory = C:\jettyTemp\ [jetty] 2010-08-23 18:53:09.391:INFO::jetty-6.1.25 [jetty] 2010-08-23 18:53:09.481:INFO::Extract C:\Projects\GUARDIAN\build\dist\project.war to C:\jettyTemp\webapp [jetty] 2010-08-23 18:53:13.810:INFO::NO JSP Support for /, did not find org.apache.jasper.servlet.JspServlet [jetty] 2010-08-23 18:53:13.909:INFO::No Transaction manager found - if your webapp requires one, please configure one. [jetty] 2010-08-23 18:53:18.038:INFO::Started [email protected]:8080 and it hangs forever. What can I do about it? The goal is to start jetty with this war file so I can continue testing.

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• Log versions of all used DLLs

  - by Bob

  I want to log the versions of all DLLs my .NET-application uses. It doesn't matter if the log-output is generated on startup or on first use of each DLL. The first solution which came to my mind was to iterate over all DLL files which reside in the same directory as my assembly. But is this the best option I have? Is there any better way to do this? It's important that the solution should also work on .NET-Compact-Framework.

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• Possible to use a .dll on Linux

  - by random_hero

  Question: Is it possible to compile a program on linux using a .dll file? Where this is going: This .dll will be used to write a php extension to some proprietary software from a third party. Background and Research: I have been given a library called proprietary.lib. I was curious, as I have never seen the .lib extension before, so I typed: file proprietary.lib The output was: proprietary.lib: current ar archive I did some research and found that ar is more-or-less tar (and in fact, I guess tar has since replaced ar in most *nix environments). Upon inspecting the ar manpage, I saw the t option, which displays a table listing of the contents of that archive. Cool. So I type: ar t proprietary.lib And get: proprietary.dll proprietary.dll ... (snip X lines) ...

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