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  • Converting delimited string to multiple values in mysql

    - by epo
    I have a mysql legacy table which contains an client identifier and a list of items, the latter as a comma-delimited string. E.g. "xyz001", "foo,bar,baz". This is legacy stuff and the user insists on being able to edit a comma delimited string. They now have a requirement for a report table with the above broken into separate rows, e.g. "xyz001", "foo" "xyz001", "bar" "xyz001", "baz" Breaking the string into substrings is easily doable and I have written a procedure to do this by creating a separate table, but that requires triggers to deal with deletes, updates and inserts. This query is required rarely (say once a month) but has to be absolutely up to date when it is run, so e.g. the overhead of triggers is not warranted and scheduled tasks to create the table might not be timely enough. Is there any way to write a function to return a table or a set so that I can join the identifier with the individual items on demand?

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  • jqGrid local date manipulation; problem with row ids when deleting and adding new rows

    - by Sam
    I'm using jqGrid as a client side grid input, allowing the user to input multiple records before POSTing all the data back at once. I'm having a problem where if the user has added a few records (say 3 ) the id's for the records will be 1,2,3. if the user deletes record 2, you're left with 1 and 3 for the id of the records. When the user now adds a new records, jqGrid assigns that records the id 3 again since it just seems to count the total records and increments it by one for the new record. This causes problems when selecting rows as now the row id's are 1, 3 and 3. Does anyone know how to access the row ids of records as I could probably use the afterSubmit event and reassign the row id's increasing from 1. ( so after i delete row id 2, this will set the other row id's to 1 and 2) Any other suggestions to solve this problem? Thanks

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  • Javascript timer in parent window is cancelled on child window close

    - by Tom Carter
    I have a user UserControl on a web page. There is a javascript timer started by the control on the client that causes a web service to be called every few seconds. If the user clicks on the control a new browser window is opened (with window.open() ) to show a different page. Note the onclick returns false so there is no postback to the page. The page displayed in the second window also has a timer that operates in the same way as the first (calls a WebService at intervals). Upto this point everything is fine - each of the timers continue to run in their respective window. However, when I close the second window (either by clicking on the cross of the window or by calling self.close() ) the timer in the first stops. I've no idea why. Is there some relationship between the opener and opened window that I'm missing ?

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  • How does load balancing work with multiple server with multiple DBs

    - by Matt
    I guess what im looking for is a description on how this all works together. I'm used to setting up one server with maybe another server to handel the DB. My question is how does the load balancer work where do all the script(php,python) files go? If i make a change to one i have to rsync them to all the server that the balancer refers to? Also does each server need client side DB's installed so they can reference the DB's that are on other servers? If there is a site that explains all this i would be happy to read it.

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  • JAX-WS returning a complex object?

    - by occhiso
    Hi, Im pretty new to Java Web Services, but I cant find a good explanation anywhere. I have 2 Java web projects within NetBeans. One as a web service and one as a client for that web service. I have also created my own class called "Person", which has what you'd expect: name, dob, etc. I would like to have a web service method called "ListPeople()" that would return an array of "Person" objects. Do I need to have that class in both projects? Should I be serializing the object first? Should I be using JAXB, if so, where do I start? Sorry for the n00b questions, but im confused. What is the normal way of accomplishing this? Thanks in advance

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  • understanding this regex

    - by DarthVader
    I m trying to understand what the following does. ^([^=]+)(?:(?:\\=)(.+))?$ Any ideas? This is being used here. Obviously it s command line parser but i m trying to understand the syntax so i can actually run the program. This is from commandline-jmxclient , they have no documents on setting JMX properties but in their source code, there is such an option, so i just want to understand how i can invoke that method. Matcher m = Client.CMD_LINE_ARGS_PATTERN.matcher(command); if ((m == null) || (!m.matches())) { throw new ParseException("Failed parse of " + command, 0); } this.cmd = m.group(1); if ((m.group(2) != null) && (m.group(2).length() > 0)) this.args = m.group(2).split(","); else this.args = null;

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  • org.apache.http.impl.cookie.BasicClientCookie not serializable???

    - by Misha Koshelev
    Dear All: I am quite confused... I am reading here and BasicClientCookie clearly implements Serializable per JavaDoc: http://hc.apache.org/httpcomponents-client/httpclient/apidocs/org/apache/http/impl/cookie/BasicClientCookie.html However, my simple Groovy script: #!/usr/bin/env groovy @Grapes( @Grab(group='org.apache.httpcomponents', module='httpclient', version='4.0.1') ) import org.apache.http.impl.cookie.BasicClientCookie import java.io.File def cookie=new BasicClientCookie("name","value") println cookie instanceof Serializable def f=new File("/tmp/test") f.withObjectOutputStream() { oos-> oos.writeObject(cookie) } outputs: false Caught: java.io.NotSerializableException: org.apache.http.impl.cookie.BasicClientCookie at t$_run_closure1.doCall(t.groovy:12) at t.run(t.groovy:11) I have checked and I have no other versions of HttpClient anywhere in classpath (if I take Grapes statement out it cannot find file). Thank you! Misha Koshelev

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  • How to apply a free third party CA and set up Tomcat SSL with it

    - by lenny
    These days I tried to apply a free third pary CA ( www.cacert.org & www.freeca.cn ) and then set up Tomcat SSL with the CA. My purpose is to eliminate the "Certificate Error" page when accessing https://... from a client browser. But it's a little hard for me to get around it. My steps to apply a free CA, from www.freeca.cn I used keytool to generate a cer file with command: keytool -genkey ... // Generate a key keytool -certreq ... // Generate a cert file and then I got some code from the cert file, and paste onto www.freeca.cn to generate a cer file. Then I imported the cer file keytool -import -alias abc -file MyABC.cer -keystore mykeystorefile.store And then I set up the mykeystorefile.store into tomcat /conf/server.xml, but it didn't work, sill pop "Certificate Error" page when trying to access https://.... Can someone help me? Thanks

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  • Cleaning up nasty characters in PHP

    - by Simon Hume
    Hi folks, Got a little issue where my client is pasting in content from Word into my little text editor in a CMS. The double quotes are coming back encoded in what looks like some form of UTF. Any ideas if I can strip/replace these using PHP when they get displayed out of my mySQL table. Here is the link to the page that spits out the dodgy characters, you can see the 'black diamonds of doom' which are causing the headaches. http://linq.milkbarstudios.com/news_detail.php?id=3 Any suggestions would be greatly accepted!

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  • SVN Mac oSX issue - permissions?

    - by Steve Griff
    Hello there, /Volumes/sites is a connection to a samba share that hosts some of our sites. We authorise using a username & password that is the same user/pass to log onto the mac. When committing, (or even doing a cleanup) from the Mac Client side using the svn command line tool or SCPlugin, this error occurs: Commit succeeded, but other errors follow: Error bumping revisions post-commit (details follow): In directory '/Volumes/sites/foobar/public_html' Error processing command 'committed' in '/Volumes/sites/foobar/public_html' Error replacing text-base of 'index.php' Can't move '/Volumes/sites/foobar/public_html/.svn/tmp/text-base/index.php.svn-base' to '/Volumes/sites/foobar/public_html/.svn/text-base/index.php.svn-base': Operation not permitted Any ideas? I think it's to do with permissions on the mac side not being able to move files around on the samba share. Apologies if my question is kinda vague so any extra information I can give please shout. Regards Steve

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  • Throughput measurements

    - by dotsid
    I wrote simple load testing tool for testing performance of Java modules. One problem I faced is algorithm of throughput measurements. Tests are executed in several thread (client configure how much times test should be repeated), and execution time is logged. So, when tests are finished we have following history: 4 test executions 2 threads 36ms overall time - idle * test execution 5ms 9ms 4ms 13ms T1 |-*****-*********-****-*************-| 3ms 6ms 7ms 11ms T2 |-***-******-*******-***********-----| <-----------------36ms---------------> For the moment I calculate throughput (per second) in a following way: 1000 / overallTime * threadCount. But there is problem. What if one thread will complete it's own tests more quickly (for whatever reason): 3ms 3ms 3ms 3ms T1 |-***-***-***-***----------------| 3ms 6ms 7ms 11ms T2 |-***-******-*******-***********-| <--------------32ms--------------> In this case actual throughput is much better because of measured throughput is bounded by the most slow thread. So, my question is how should I measure throughput of code execution in multithreaded environment.

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  • I want to version control my entire slice

    - by Tom
    I'm renting a slice (i.e., a VPS) from Slicehost. I've a spent a day or two filling up /usr with my favorite packages, /etc with configs and init scripts, and so on. Now I want to: save this whole setup somewhere (e.g., to load onto another machine). see what changes I've made to which files revert changes, tag revisions, and all that other good version control stuff Saving a disk image gives me (1), but not (2) and (3). Using Subversion (svn import / svn://someotherhost) might give me all three, but I expect problems if I actually try to check a project out into / and maintain .svn directories in root-owned areas. And to load my setup onto a fresh slice, I'd need to install an svn client on it first. Is there a good way to do what I want to do?

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  • Concatenating rows from different tables into one field

    - by Markus
    Hi! In a project using a MSSQL 2005 Database we are required to log all data manipulating actions in a logging table. One field in that table is supposed to contain the row before it was changed. We have a lot of tables so I was trying to write a stored procedure that would gather up all the fields in one row of a table that was given to it, concatenate them somehow and then write a new log entry with that information. I already tried using FOR XML PATH and it worked, but the client doesn't like the XML notation, they want a csv field. Here's what I had with FOR XML PATH: DECLARE @foo varchar(max); SET @foo = (SELECT * FROM table WHERE id = 5775 FOR XML PATH('')); The values for "table", "id" and the actual id (here: 5775) would later be passed in via the call to the stored procedure. Is there any way to do this without getting XML notation and without knowing in advance which fields are going to be returned by the SELECT statement?

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  • C#: Messaging in local network

    - by Richard
    Hi All, I need to implement some form of communitcation mechanism in my application, to send Notifications/messages from one Application instance to all the others. This is a normal scenario where someone adds and item or deletes and item and you want to notify other users that this has happened. The application runs on the Client and connects to a database on the local network. So its not like all clients access a server instance of the application. So from what I know I could use MessageQueues or some form of Database polling where I have a table that stores all the messages (not ideal). Issue is I need to implement this very quickly, so sadly can't go very complex but need the quickest easiest solution. thanks for the help!

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  • Unable to commit to Subversion

    - by Ewan Makepeace
    I have a client who had to rebuild his automated build server. He checked out his project folder from my subversion server but is now no longer able to commit - he gets this error: Error: Commit failed (details follow): Error: Cannot write to the prototype revision file of transaction '551-1' because a Error: previous representation is currently being written by another process Finished!: I have searched Google but although this error has been often reported there is no clear explanation - does anyone on StackOverflow have a solution? UPDATE: Nobody else commits to that repository, so it was not a transaction stuck (at least not from another user). In the end we found that permissions were not set correctly. Not that you would know it from this message, but that fixed the problem.

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  • Django, CSRF protection and js generated form

    - by Neewok
    I have to create a form dynamically via javascript (yeah, that sounds ugly, but read this for the reason) and wants to make its submission CSRF proof. Usually, I use the @csrf_protect decorator in my views, and the {% csrf_token %} tag in my templates, as recommanded in the doc. But what should I do with a client-side generated form ? If I add a '/get_token/' view to generate a token on the server and obtain its value (say, via JSONP), then that means that I'm creating a backdoor an attacker could use to bypass the protection. Kinda head-scratching. What would you recommand ?

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  • Is it possible to return a list of all ranges from all worksheets in an Excel 2002 workbook?

    - by generalt
    Hello all. I want to extract "special" data from an Excel 2002 (client requirement, cannot change) workbook and worksheets contained therein. I have classified ranges in this "special" data category. I would like to acquire a list of all ranges in, ideally, all worksheets in a workbook. The attributes I'm interested in are the range name, and the range address. I have been googling for a while now, and have not found anything relevant. I was assuming the Excel 2002 API would expose something like this: ApplicationClass app = new ApplicationClass(); Workbook workbook = app.Workbooks.Open(@"c:\file.xls", ...); Worksheet worksheet = workbook.Worksheets["sheet1"] as Worksheet; Range[] ranges = worksheet.GetAllRanges(); or something similar. However, I am sadly mistaken. Is this possible with Excel 2002?

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  • In MVC2, how do I validate fields that aren't in my data model?

    - by Andy Evans
    I am playing with MVC2 in VS 2010 and am really getting to like it. In a sandbox application that I've started from scratch, my database is represented in an ADO.NET entity data model and have done much of the validation for fields in my data model using Scott Guthrie's "buddy class" approach which has worked very well. However, in a user registration form that I have designed and am experimenting with, I'd like to add a 'confirm email address' or a 'confirm password' field. Since these fields obviously wouldn't exist in my data model, how would I validate these fields client side and server side? I would like to implement something like 'Html.ValidationMessageFor', but these fields don't exist in the data model. Any help would be greatly appreciated.

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  • can't the asp file system object access shares server paths?

    - by sushant
    i am using this code to access files and folders. <%@ Language=VBScript %><% option explicit dim sRoot, sDir, sParent, objFSO, objFolder, objFile, objSubFolder, sSize %> <META content="Microsoft Visual Studio 6.0" name=GENERATOR><!-- Author: Adrian Forbes --> <% sRoot = "D:Raghu" sDir = Request("Dir") sDir = sDir & "\" Response.Write "<h1>" & sDir & "</h1>" & vbCRLF Set objFSO = CreateObject("Scripting.FileSystemObject") on error resume next Set objFolder = objFSO.GetFolder(sRoot & sDir) if err.number <> 0 then Response.Write "Could not open folder" Response.End end if on error goto 0 sParent = objFSO.GetParentFolderName(objFolder.Path) ' Remove the contents of sRoot from the front. This gives us the parent ' path relative to the root folder ' eg. if parent folder is "c:webfilessubfolder1subfolder2" then we just want "subfolder1subfolder2" sParent = mid(sParent, len(sRoot) + 1) Response.Write "<table border=""1"">" ' Give a link to the parent folder. This is just a link to this page only pssing in ' the new folder as a parameter Response.Write "<tr><td colspan=3><a href=""browse.asp?dir=" & Server.URLEncode(sParent) & """>Parent folder</a></td></tr>" & vbCRLF ' Now we want to loop through the subfolders in this folder For Each objSubFolder In objFolder.SubFolders ' And provide a link to them Response.Write "<tr><td colspan=3><a href=""browse.asp?dir=" & Server.URLEncode(sDir & objSubFolder.Name) & """>" & objSubFolder.Name & "</a></td></tr>" & vbCRLF Next ' Now we want to loop through the files in this folder For Each objFile In objFolder.Files if Clng(objFile.Size) < 1024 then sSize = objFile.Size & " bytes" else sSize = Clng(objFile.Size / 1024) & " KB" end if ' And provide a link to view them. This is a link to show.asp passing in the directory and the file ' as parameters Response.Write "<tr><td><a href=""show.asp?file=" & server.URLEncode(objFile.Name) & "&dir=" & server.URLEncode (sDir) & """>" & objFile.Name & "</a></td><td>" & sSize & "</td><td>" & objFile.Type & "</td></tr>" & vbCRLF Next Response.Write "</table>" %> it works fine. but when i try to access something on shred path like: "\\cvrdd0110:share" it gives error. how to access these files? and sorry for formatting issues.

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  • Is AsParallel() good practice in a web environment?

    - by Bjorn Bailleul
    I have no doubt that for client applications, AsParallel() will bring some out-of-the-box performance gains. But what if I would use it in a web environment. Let's say I have a widget framework that loops over all widgets to get their data and render output. This would parallelize great no? I do have my doubts on using AsParallel() in this scenario. What if I have a large number of visitors for my site, isn't IIS going to use multiple threads to handle all requests? Aren't there going to be locking issues presented after a while, or threads dying because all processors are in use? It's just a thought, what do you think about this?

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  • HTML Links on IzPack HTMLInfoPanel not working correctly

    - by Salman
    In my installer (created using IzPack) i am using HTMLInfoPanel, in the HTML data for this info panel I have a website link and an email address. The problem is 1) When I click on the website link, the page is opened in the Installer panel itself, instead of open the page in the default browse window. 2) When I click on the email link, the page in the panel just refreshes and does nothing instead of opening the mail client for the user. Following is HTML for the link: <a href="http://www.XYZ.com/" target="_blank">XYZ, Ltd.</a> HTML for the eMail link: <A HREF="mailto:[email protected]" target="_blank">[email protected]</A> I couldn't find any help fixing this in the IzPack documentation other forums. Can somebody help solve this? I am using IzPack V 4.1

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  • C# Windows Forms Print Dialog box click OK twice to respond

    - by sbartlett007
    I'm using Visual Studio 2008, .net Framework 3.5 for a Windows forms client-server app that I'm working on. There is a weird bug when I run the program and try to print. The print dialog box opens, but I have to click the OK button twice for it to work. After the second click it works fine, no errors. When I put a breakpoint on: if (result == DialogResult.OK) , the breakpoint doesn't trigger until the second click. Here is the code: private void tbPrint_Click(object sender, EventArgs e) { try { printDialog1.Document = pDoc; DialogResult result = printDialog1.ShowDialog(); if (result == DialogResult.OK) { pDoc.PrinterSettings.PrinterName = printDialog1.PrinterSettings.PrinterName; pDoc.Print(); } ... This is driving me crazy, and I can't see anything else that would interfere with it.

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  • Reading data from a socket, considerations for robustness and security

    - by w.brian
    I am writing a socket server that will implement small portions of the HTTP and the WebSocket protocol, and I'm wondering what I need to take into consideration in order to make it robust/secure. This is my first time writing a socket-based application so please excuse me if any of my questions are particularly naive. Here goes: Is it wrong to assume that you've received an entire HTTP request (WebSocket request, etc) if you've read all data available from the socket? Likewise, is it wrong to assume you've only received one request? Is TCP responsible for making sure I'm getting the "message" all at once as sent by the client? Or do I have to manually detect the beginning and end of each "message" for whatever protocol I'm implementing? Regarding security: What, in general, should I be aware of? Are there any common pitfalls when implementing something like this? As always, any feedback is greatly appreciated.

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  • Sharepoint checkin/checkout

    - by Prashanth
    We have a sharepoint based application that uses a custom database for storing metadata/files (which could also be on a file share) My question is how can the standard file checkin/check out option in document library be customized? The javascript file ows.js in the layouts folder contains the functions that provide checkin/check out/ open file functionality. Behind the scenes it relies on a combination of HTTP Post/GET methods + SOAP + an activeX control to achieve the desired functionality. Customizing these javascript function seems tedious/error prone. Note that we have a web service that exposes endpoints, for retrieving necessary file information/data from the backend. The difficulty is in integrating it with the sharepoint js functions, due to lack of proper documentation. (Also the js functions might change over different versions of sharepoint) Also is it possible to create files/open files etc from the cache area on the client machine from server side code?

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  • Audit Table using Triggers

    - by Jose
    DROP TABLE IF EXISTS `actividades`.`act_actividad_audit`; CREATE TABLE `actividades`.`act_actividad_audit` ( `fe_creacion` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `usr_digitador` char(10) NOT NULL, `ip_digitador` char(15) NOT NULL, `id_act_actividad` int(10) unsigned NOT NULL, `titulo` char(64) NOT NULL, `act_prioridad_id` int(10) unsigned NOT NULL, `act_motivo_id` int(10) unsigned NOT NULL, `detalle` text, `detalle_tecnico` text, `hostname_id` int(10) unsigned NOT NULL, `hostname_nombre` char(50) NOT NULL, `es_SMOP` tinyint(1) NOT NULL, `url_SMOP` text, `es_tecnico` tinyint(1) NOT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COMMENT='Auditoria Actividad General'; I want to populate that audit table with a trigger but how can i send or fill the values for usr_digitador or ip_digitador if that values are on client side.? please help

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