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Articles indexed Thursday June 3 2010

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  • How to print a variable in reversed byte order in Perl?

    - by jth
    Hi, I'am trying to convert the variable $num into its reverse byte order and print it out. This is what I have done so far: my $num=0x5514ddb7; my $s=pack('I!',$num); print "$s\n"; He prints it out as some non-printable characters and in a hex editor it looks right, but how can I get it readable on the console? Already tried print sprintf("%#x\n",$s); but he complains about an non-numeric argument, so I think pack returns a string. Any ideas how can I print out `0xb7dd1455 on the console, based on $num?

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  • How to fix MySQL CREATE FUNCTION query?

    - by Liutas
    I want to add mysql function: CREATE FUNCTION `chf_get_translation`(translation_id INT, site_lang INT) RETURNS text CHARSET utf8 BEGIN DECLARE translation TEXT; SELECT title INTO translation FROM chf_translations WHERE key_id = translation_id AND lang_id = site_lang; RETURN translation; END But get error: 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 3 What can be wrong with this function?

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  • Enabling WinRM by Group Policy

    - by SaintNick
    I'm having partial success enabling WinRM through Active Directory GPO's on our Server 2008 R2 environment. I've created a GPO that enables "Allow automatic configuration of listeners" and also enables all the necessary predefined WinRM Firewall rules. This GPO works fine for our webservers. Indeed, this is reflected by the "Server Manager Remote Management" nicely flipping to "enabled" in Server Manager Server Summary. However, the same GPO applied to both our Management servers, which are Domain Controllers, does not give the same result. I see the GPO settings being applied, including the listener as confirmed by C:\Windows\system32>winrm e winrm/config/listener Listener [Source="GPO"] Address = * Transport = HTTP Port = 5985 Hostname Enabled = true URLPrefix = wsman CertificateThumbprint ListeningOn = 10.32.40.210, 10.32.40.211, 10.32.40.212 But in Server Manager, Server Summary, Remote Management remains on "disabled" and indeed when trying to connect to one of these machines Server Manager gives an "Access Denied". Manually enabling WinRM locally via Server Manager "Configure Server Manager Remote Management" on either of these machines works fine. What can be the cause? Can it have something to do with theses machines being DC's and needing extra settings in the GPO? Nick Reid

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  • Transaction Log filling up on SQL database set to Simple

    - by Will
    We have a database on a SQL 2005 server that is set to Simple transaction mode. The logging is set to 1 MB and is set to grow by 10% when it needs to. We keep running into an issue where the transaction log fills up and we need to shrink it. What could cause the transaction log to fill up when its set to Simple and unrestricted growth is allowed?

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  • Can't ssh from Ubuntu to RHEL or CentOS

    - by Alex N
    I am trying to setup publickey based authenitcation for 2 different boxes. One RHEL another on e is CentOS. I am having same issue with both where ssh fails and falls back to password based authentication. Error that seems to be causing this is quite obscure: debug1: Unspecified GSS failure. Minor code may provide more information Credentials cache file '/tmp/krb5cc_1000' not found Both boxes are completely unrelated. I have my public key in .ssh/authorized_keys file on both boxes, all permissions are checked and good(700 for .ssh and 600 for internals) I have bunch of other servers that are running on various flavors(Gentoo, Fedora, FreeBSD etc.) and publickey ssh works just fine, but CentOS and RHEL giving me this for some reason :( Anyone experienced this before? I am not even sure how to further analyze this issue :(

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  • CNAME - how will the url be in the http request

    - by Traveller
    A newbie question regarding dns records Let's say I've configured, abc.example.com - A 10.x.x.x and a CNAME for xyz.example.com CNAME for xyz.example.com - abc.example.com when a user does an http request for xyz.example.com what happens when the request reach the 10.x.x.x server. Will the URL be abc.example.com or xyz.example.com? (trying to find out if virtual host in apache need to be updated) Thanks much

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  • How can I change the default domain in an OTRS installation?

    - by Jamie
    I used a turnkeylinux.org otrs installation and I'm trying to configure the default domain of 'yourhost.example.com'. I tried the following: sed -ri 's/yourhost.example.com/mydomain.com/' /usr/share/otrs/Kernel/Config/Defaults.pm sudo shutdown -r now The next time I logged and tried to create a user, the default domain was still there. How can I change default doamin in an OTRS installation?

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  • Inline Form Validation in Django

    - by allanhenderson
    Newbie request that seems difficult to implement. I would like to make an entire inline formset within an admin change form compulsory.. so in my current scenario when I hit save on an Invoice form (in Admin) the inline Order form is blank. I'd like to stop people creating invoices with no orders associated. Anyone know an easy way to do that? Normal validation like (required=True) on the model field doesn't appear to work in this instance. Thanks!!

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  • advancedDatagrid multipleSelection: Was a row already selected?

    - by Werner
    Hi, after multiple Selection in a advanced datagrid, I want to check if the clicked row, was already selected. Anyway my idea below (in the nested if clause I want to check if the newly clicked item's processing data is already in the added Array Collection) is not working, but I assume there must be a better way to differiante if an click was made on a already selected row. Probably I was not as clear in my description as needed, please ask your questions! Thank you very much, already in advance, Werner model.processingData = out; if (model.selectedIndices.length > 1){ //check if item already added var tempInt:int = model.multipleProcessingData.getItemIndex(model.processingData); if (tempInt == -1){ model.multipleProcessingData.addItem(model.processingData); } } else{ model.multipleProcessingData.removeAll(); model.multipleProcessingData.addItem(model.processingData); }

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  • Transformation of records 1 column 3 row -> 1 row 3 column

    - by Nehal Rupani
    First look at below query SELECT count(id) as total_record, id, modeller, MONTHNAME(completed_date) as current_month, Quarter(completed_date) as current_quarter, Difficulty, YEAR(completed_date) as current_year FROM model WHERE modeller != '' AND completed_date BETWEEN '2010-04-01' AND '2010-05-31' AND Difficulty != '' Group by Difficulty, Month(completed_date) Order by Month(completed_date) ASC Results I am getting is Modeller Month Year Difficulty ------------------------------------- XYZ Jan 2010 23 XYZ Jan 2010 14 XYZ Jan 2010 15 ABC Feb 2010 5 ABC Feb 2010 14 ABC Feb 2010 6 I want result like Modeller Month Year Difficulty -------------------------------------- XYZ Jan 2010 23, 14, 15 ABC Feb 2010 5, 14, 6 My database is Mysql for application i am developing so any help would be greatly appericated.

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  • how to settle JSF combobox with values depending on another combobox if both are set to required

    - by mykola
    Hi, everybody! Can anyone tell me how to automatically set <h:selectOneMenu (or any other component) with values depending on another <h:selectOneMenu if there empty elements with 'required' set to 'true' on the form? If to set <a4j:support event="onchange" reRender="anotherElement" immediate="true"/ then nothing is changed because changed value isn't set. But without immediate i always have message that this or that element cannot be empty. Here's code example that doesn't work :) <h:outputLabel value="* #{msg.someField}: "/> <h:panelGrid cellpadding="0" cellspacing="0"> <h:selectOneMenu id="someSelect" value="#{MyBean.someObj.someId}" required="true" label="#{msg.someField}" > <a4j:support event="onchange" reRender="anotherSelect" limitToList="true" immediate="true"/> <f:selectItem itemValue=""/> <f:selectItems value="#{MyBean.someList}"/> </h:selectOneMenu> <rich:message for="someSelect" styleClass="redOne"/> </h:panelGrid> <h:outputLabel value="* #{msg.anotherField}: "/> <h:panelGrid cellpadding="0" cellspacing="0"> <h:selectOneMenu id="anotherSelect" value="#{MyBean.someObj.anotherId}" required="true" label="#{msg.anotherField}" > <f:selectItem itemValue=""/> <f:selectItems value="#{MyBean.anotherList}"/> </h:selectOneMenu> <rich:message for="anotherSelect" styleClass="redOne"/> </h:panelGrid> <h:outputLabel value="* #{msg.name}: "/> <h:panelGrid cellpadding="0" cellspacing="0"> <h:inputText id="myName" value="#{MyBean.someObj.myName}" required="true" label="#{msg.name}"/> <rich:message for="myName" styleClass="redOne"/> </h:panelGrid> So, here (i repeat), if i try to change 'someSelect' then 'anotherSelect' should update its values but it doesn't because either when it tries to get value of 'someSelect' it gets null (if immediate set to 'true') or form validation fails on empty elements. How can i skip validation but get this changed value from 'someSelect'?

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  • Problem with overlapping divs - CSS

    - by Chaitanya
    html, body {margin: 0px; padding: 0px;} #pageContainer{ margin: auto; padding: auto;} #contentContainer{ margin:150px; width:1100px; height: 100%; overflow: hidden; } #leftContainer{ width: 80%; min-height: 800px; background: #009900; float:left;} #left1{ margin:80px 0 0 80px; height: 550px; top:0px; z-index:1; background: #000000;} #left2{ margin:80px 0 0 80px; height: 500px; top:110px; z-index:2000; background:#99FFFF; } #rightContainer{ width: 20%; height: inherit; background: black; float:right;} / CSS Document */ I require 2 overlapping divs, which look like the one below. ---------------------- | | | ------------------ | | ' '| | ' '| | ' '| | ' '| | ' '| | ' '| | ' '| ---------------------- ' ' ' ' ------------------- <div id="pageContainer"> <div id="contentContainer"> <div id="leftContainer"> Am the left container <div id="left1"> <div id="left2"> </div> </div> </div> <div id="rightContainer"> </div> </div> </div> The problem is am failing to get the overlap. Where am I going wrong? Edit 1: topx was a typo, corrected it.

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  • How can I make a security token automatically expire in a passive STS setup?

    - by Rising Star
    I have a passive STS set up for a new application I'm working on. I've noticed that when a user's session expires, the user is still authenticated. I would have thought that when the session expires, the user would no longer be authenticated. My boss discussed this with me as I am currently charged with setting up the authentication. He says that it would be good if we could make the user's log on expire after a certain period of inactivity similar to how the session expires. I am familiar with how to sign a user out with a few lines of code. How can I make it so that the user is automatically signed out after a specified period of inactivity? Currently, I have some code in the global.asax file that programmatically checks when the last request was and compares it to the current time; it then signs the user out if a certain period of time has expired.

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  • Project Euler #9 (Pythagorean triplets) in Clojure

    - by dbyrne
    My answer to this problem feels too much like these solutions in C. Does anyone have any advice to make this more lispy? (use 'clojure.test) (:import 'java.lang.Math) (with-test (defn find-triplet-product ([target] (find-triplet-product 1 1 target)) ([a b target] (let [c (Math/sqrt (+ (* a a) (* b b)))] (let [sum (+ a b c)] (cond (> a target) "ERROR" (= sum target) (reduce * (list a b (int c))) (> sum target) (recur (inc a) 1 target) (< sum target) (recur a (inc b) target)))))) (is (= (find-triplet-product 1000) 31875000)))

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  • In CodeIgniter, how to clear "form data" after redirecting page

    - by Obay
    I'm not sure I explained it correctly in the question title, so here's the details: Login controller: function authenticate() { if ( authorized ) { redirect('lobby'); } else { redirect('login'); } } Lobby controller: function index() { //load lobby view } What happens is that in the login page, I enter user / pass, click Login, then authenticate() is called, and redirects me to the Lobby. However, when I click refresh while on the Lobby, the login form gets submitted again, so I get "logged in" again. How do I prevent that from happening?

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  • Is it possible to create thread-safe collections without locks?

    - by Andrey
    This is pure just for interest question, any sort of questions are welcome. So is it possible to create thread-safe collections without any locks? By locks I mean any thread synchronization mechanisms, including Mutex, Semaphore, and even Interlocked, all of them. Is it possible at user level, without calling system functions? Ok, may be implementation is not effective, i am interested in theoretical possibility. If not what is the minimum means to do it? EDIT: Why immutable collections don't work. This of class Stack with methods Add that returns another Stack. Now here is program: Stack stack = new ...; ThreadedMethod() { loop { //Do the loop stack = stack.Add(element); } } this expression stack = stack.Add(element) is not atomic, and you can overwrite new stack from other thread. Thanks, Andrey

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  • XML Serialization in C# without XML attribute nodes

    - by Alex Marshall
    Hello, I have an XML document format from a legacy system that I have to support in a future application. I want to be able to both serialize and deserialize the XML between XML and C# objects, however, using the objects generated by xsd.exe, the C# serialization includes the xmlns:xsi..., xsi:... etc XML attributes on the root element of the document that gets generated. Is there anyway to disable this so that absolutely no XML attribute nodes get put out in the resulting XML ? The XML document should be elements only. Duplicate? XmlSerializer: remove unnecessary xsi and xsd namespaces

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  • Inconsistency in java.util.concurrent.Future?

    - by loganj
    For the sake of argument, let's say I'm implementing Future for a task which is not cancelable. The Java 6 API doc says: After [cancel()] returns, subsequent calls to isDone() will always return true. [cancel()] returns false if the task could not be cancelled, typically because it has already completed normally It also says: [isDone()] returns true if this task completed. But what if my cancellation fails not because the task is already completed, but because it simply cannot be cancelled? Is there a way out of this contradiction (other than making my uncancelable task cancelable and sidestepping it altogether)?

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  • Mod_rewrite shortening url .htaccess

    - by Peter
    is there any way to hide redirected url, here is what I think: RewriteEngine On RewriteCond %{REQUEST_FILENAME} -f RewriteRule ^(.*)$ http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://%{HTTP_HOST}%{REQUEST_URI}&force So the long redirected url http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://%{HTTP_HOST}%{REQUEST_URI} to something shorter like /mintedomain.com/track/ It is possible? Adrian edit: Andrew: This is a stats software Mint (haveamint.com) with File Download tracker plugin. The File Download tracker works in this way: in .htaccess every file (zip, rar, txt,...) is redirected to the tracker.php file (because the stats): http://mydomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://%{HTTP_HOST}%{REQUEST_URI} So the redirected url look like this for a zip file: http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php?url=http://mydomain/downloads/apple.zip This redirected URL is very long and ugly. The best for me would be to redirect this redirected URL to something shorter URL: example: http://mydomain.com/track/downloads/apple.zip.. So the http://mydomain.com/track would be the http://minteddomain.com/mint/pepper/tillkruess/downloads/tracker.php

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