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• Can I automatically add a new host to known_hosts ?

  - by gareth_bowles

  Here's my situation; I'm setting up a test harness that will, from a central client, launch a number of virtual machine instances and then execute commands on them via SSH. The virtual machines will have previously unused hostnames and IP addresses, so they won't be in the ~/.ssh/known_hosts file on the central client. The problem I'm having is that the first SSH command run against a new virtual instance always comes up with an interactive prompt: The authenticity of host '[hostname] ([IP address])' can't be established. RSA key fingerprint is [key fingerprint]. Are you sure you want to continue connecting (yes/no)? Is there a way that I can bypass this and get the new host to be already known to the client machine, maybe by using a public key that's already baked into the virtual machine image ? I'd really like to avoid having to use Expect or whatever to answer the interactive prompt if I can.

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• Using Powershell's Invoke-command to install .exe on remote computer

  - by Bernie

  I have an .exe I would like to install on a large farm of Windows Server 2008 computers. I am attempting to use Powershell remoting. I have this command which works locally: invoke-command {& "N:\Temp\fortify_installer\HP-Fortify-3.20-Analyzers_and_Apps-Windows-x86.exe /s /f1N:\Temp\fortify_installer\response.iss"} But when I add the -computername flag it seems to go off to nowhere, and the installer is never run on the remote machine. I can launch notepad.exe via the same command and it runs. Does it have something to do with it being an installer, or something else? I realize many versions of this question have been asked and I have read them, but I am still confused as to why this doesn't work.

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• Internet Explorer defaults to 64-bit version

  - by Tim Long

  My IE8 has suddenly started defaulting to the 64-bit version. I have no idea how or why this has happened, but I suspect it might be linked to the Browser Choice Screen that Microsoft was recently forced to display by EU law. However, many web sites will not display correctly in IE8 x64 (eg. sites that use Adobe Flash or Microsoft Silverlight). I have the 32-bit version of IE pinned to my taskbar and if I launch it manually, everything is fine. But when I click on a URL from another program and IE is not already running, then the 64-bit version gets launched. This really messes with programs like BBC iPlayer which rely heavily on Adbobe Air and Flash. So, how do I get IE8 32-bit version to be the default version again? I've tried using the "default programs" control panel and that doesn;t make any difference (in fact, it doesn't give the choice between x84 and x64 versions, it just lists "internet explorer").

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• AD Stopping A script and Adding a Value to A User's Account Attribute

  - by Steven Maxon

  ‘This will launch the PPT in a GPO Dim ppt Set ppt = CreateObject("PowerPoint.Application") ppt.Visible = True ppt.Presentations.Open "C:\Scripts\Test.pptx" ‘This is the batch file at the end of the PPT that records the date, time, computer name and username echo "Logon Date:%date%,Logon Time:%time%,Computer Name:%computername%,User Name:%username%" \servertest\g$\Tracking\LOGON.TXT ‘This is what I need but can’t find: I need the script to check a value in the Active Directory user’s account in the Web page: attribute that would shut off the script if the user has already competed reading the presentation. Could be as simple as writing XXXX. I need the value XXXX written to the Active Directory user’s account in the Web page: attribute when they finish reading the presentation after they click on the bat file so the script will not run again when they log in. Thanks for any help.

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• C# Finisar SQLite Date Format Problem

  - by Emanuel

  My "task" database table look like this: [title] [content] [start_date] [end_date] [...] [...] [01.06.2010 20:10:36] [06.06.2010 20:10:36] [...] [...] [05.06.2010 20:10:36] [06.06.2010 20:10:36] And I want to find only those records that meet the condition that a given day is between start_date and end_date. I've tried the following SQL expression: SELECT * FROM task WHERE strftime ('%d', 'start_date') <= @day AND @day <= strftime ('%d', 'end_date') Where @day is an SQLiteParameter (eq 5). But no result is returned. How can I solve this problem? Thanks.

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• How do you get around security warnings when redirecting AppData?

  - by Oliver Salzburg

  I've recently set up folder redirection for my user profile in a domain. For now, I've redirected AppData, Desktop, Pictures, Documents and Favorites. So far, so good. But now I've noticed a quite disturbing side effect of the whole thing. Whenever I click any of my pinned elements on the task bar, I get the following warning: The shortcuts get synced as well and are no longer trusted. They're located at \\DFS\UserData\Profiles\OliverSalzburg\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar That seems like it could be a problem when rolling it out to the whole company.

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• Are memcached entries saved by the Danga client compatible with the Spy client?

  - by jigjig

  After saving a String value into memcached using the Danga client, I attempted to get the entry using the Spy client. The two String values are not the same. The Danga client retrieves a string with an additional empty char prepended to the string, therefore violating the equality condition. Danga: t,e,s,t,s,t,r,i,n,g Spy: ,t,e,s,t,s,t,r,i,n,g I also attempted to save a serialized Map using the Danga client and get the Map using the Spy client. The Spy client is able to only get a String form of the Map. The string contains binary values, as below: sr

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• How can I register a custom protocol with xdg?

  - by julien

  I've been struggling this morning trying to associate an application with a custom protocol, namely emacsclient and org-protocol. I'm calling this protocol from a webbrowser bookmarklet, and I get the following behaviour : In chromium, the "Launch Application" dialog comes up, and calls xdg-open org-protocol://... which ends up firing a new chromium frame. In firefox, I've tried setting network.protocol-handler.app.org-protocol to an empty string or my emacsclient path, anyhow I get the following error message : "Firefox doesn't know how to open this address, because the protocol (org-protocol) isn't associated with any program" without even showing any external application selection dialog. I'm not using any desktop environment, so I need to make this work strictly with xdg, however, despite reading the shared mime info spec etc, I still can't fathom a working configuration.

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• What are Android different screens dimensions in dp for different screens (e.g. xlarge = 960dp x 720dp)?

  - by Zizo

  in this link: Range of screens supported, Android team mentioned that: As you design your UI for different screen sizes, you'll discover that each design requires a minimum amount of space. So, each generalized screen size above has an associated minimum resolution that's defined by the system. These minimum sizes are in "dp" units—the same units you should use when defining your layouts—which allows the system to avoid worrying about changes in screen density. xlarge screens are at least 960dp x 720dp large screens are at least 640dp x 480dp normal screens are at least 470dp x 320dp small screens are at least 426dp x 320dp So, If I want to support all Android screens, can I create images, for full screen view, in those dimensions and that will be sufficient condition to support all available screens? or they are just the minimum sizes, and I need other dimensions? If other dimensions are needed, Please list them as in the list above. Thanks in Advance.

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• Is the Zune HD's audio card better or worse than the iPod touch's?

  - by MatthewThepc

  Firstly, if this is the wrong site to ask this question I apologize, but I didn't see one for "music players" on the stack exchange website :) After reading a few people online say that music playing from a Zune HD sounds better to them than that on an iPod touch, I was wondering whether there's any truth to that? From what I can tell, the Zune HD uses a Wolfson Microelectronics WM8352, while the first-generation iPod Touch (which the Zune HD was competing with) used a Wolfson Microelectronics WM8758BG, and newer models use the Cirrus Logic CS4398 and CS42L61. Which ones are better (to make the question less subjective, let's say in terms of quality, range, & accuracy of output)? Admittedly, I have almost no idea how everything compares and works together, but it would seem to me that, just by looking at the version numbers, the iPod has been better since it's launch. Is there anything else that effects sound quality? Thanks!

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• Quering distinct values throught related model

  - by matheus.emm

  Hi! I have a simple one-to-many (models.ForeignKey) relationship between two of my model classes: class TeacherAssignment(models.Model): # ... some fields year = models.CharField(max_length=4) class LessonPlan(models.Model): teacher_assignment = models.ForeignKey(TeacherAssignment) # ... other fields I'd like to query my database to get the set of distinct years of TeacherAssignments related to at least one LessonPlan. I'm able to get this set using Django query API if I ignore the relation to LessonPlan: class TeacherAssignment(models.Model): # ... model's fields def get_years(self): year_values = self.objects.all().values_list('year').distinct().order_by('-year') return [yv[0] for yv in year_values if len(yv[0]) == 4] Unfortunately I don't know how to express the condition that the TeacherAssignment must be related to at least one LessonPlan. Any ideas how I'd be able to write the query? Thanks in advance.

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• Read xml file and import only one table from multiple tables from xml file in the dataset at a time.

  - by Harikrishna

  I want to store the data in the xml file and retrieve the data from that. I have defined more than table in that xml file.Now to read the tables I am using dataset ds = new dataset(); ds.ReadXml(xmlfilepath); Now this dataset contains all the tables those are in xml file when we read the xml file into dataset. But I want only one specified table at a time in a dataset by condition. Like there are PersonalInfo,OtherInfo,PropertiesInfo tables in the xml file. But I want only OtherInfo table in dataset what I should do ?

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• SQL Server Configuration Manager menu won't show up

  - by Aurelien Gasser

  I'm running a Windows 8 VM on a MacBook using Parallels Desktop 9. On this Windows VM, I have a SQL Server instance running perfectly. However, when I launch SQL Server Configuration Manager, and I want to enable an IP configuration, the Enable menu options are invisible : Here is a screenshot : http://i.imgur.com/PY7qGup.png (I don't have enough reputation to display the image inline) When I click the arrow, a contextual menu should appear with 2 choices "Yes" or "No". Instead, a tiny contextual menu appears, but it's empty. I tried using my keyboard tab/space/arrows keys without success. Has anyone faced/solved the same problem ?

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• Build a user's profile directory on creation in batch

  - by Moses

  I have a batch script that I use when I set up new Windows 7 PCs that creates a user based on a variable, creates a folder on their desktop, then shares it: @echo off SET /p unitnumber="Enter unit number: " net user unit%unitnumber% password /add /expire:never MD "C:/Users/unit%unitnumber%/Desktop/Accounting #%unitnumber%" runas /user:administrator "net share "Accounting#%unitnumber%"="C:/Users/unit%unitnumber%/Desktop/Accounting#%unitnumber"" I discovered that the share that is created is overwritten when the newly created user first logs on, because Windows creates builds their profile directory at that time. Is there any way to initiate a build of a user's profile directory in the batch file just after creating the it? The only thing that looks useful is the /homedir:pathname switch for the net user command, but I believe that option assumes the directory already exists. Other than that web research hasn't been fruitful. I'd be to use whatever to get this done as long as I can incorporate/launch it from the batch. Any suggestions?

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• Rails, search item in different model?

  - by Danny McClelland

  Hi Everyone, I have a kase model which I am using a simple search form in. The problem I am having is some kases are linked to companies through a company model, and people through a people model. At the moment my search (in Kase model) looks like this: # SEARCH FACILITY def self.search(search) search_condition = "%" + search + "%" find(:all, :conditions => ['jobno LIKE ? OR casesubject LIKE ? OR transport LIKE ? OR goods LIKE ? OR comments LIKE ? OR invoicenumber LIKE ? OR netamount LIKE ? OR clientref LIKE ? OR kase_status LIKE ? OR lyingatlocationaddresscity LIKE ?', search_condition, search_condition, search_condition, search_condition, search_condition, search_condition, search_condition, search_condition, search_condition, search_condition]) end What I am trying to work out, is what condition can I add to allow a search by Company or Person to show the cases they are linked to. @kase.company.companyname and company.companyname don't work :( Is this possible? Thanks, Danny

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• How to unpack htmlAttributes in a span tag in ASP.NET MVC

  - by sleepy

  I have htmlAttributes generated - originally for the purpose of creating a link with the attribute using Html.ActionLink. Now, based on some condition, I would like to create a <span> tag instead and put the attributes in there. Is there anyway it can be done easily ? Eg: something like: <span <%= htmlAttributes.Unpack() %> > Some txt </span> OR <%= Html.SpanTag("Some txt", htmlAttributes) %> OR anything similar without wresling too much with the already generated htmlAttribues? Thanks

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• Regular expression quantifier questions

  - by Josemalive

  Hello, Im trying to find a regular expression that matches this kind of URL: http://sub.domain.com/selector/F/13/K/100546/sampletext/654654/K/sampletext_sampletext.html and dont match this: http://sub.domain.com/selector/F/13/K/10546/sampletext/5987/K/sample/K/101/sample_text.html only if the number of /K/ is minimum 1 and maximum 2 (something with a quantifier like {1,2}) Until this moment i have the following regexp: http://sub\.domain\.com/selector/F/[0-9]{1,2}/[a-z0-9_-]+/ Now i would need a hand to add any kind of condition like: Match this if in the text appears the /K/ from 1 to 2 times at most. Thanks in advance. Best Regards. Josema

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• Is there a clean way to tell Windows to release a volume?

  - by zneak

  Hey guys, I'm trying, under Windows 7, to run a virtual machine with VMWare Player from an OS installed on a physical partition. However, when I boot the virtual machine, VMWare Player says that it couldn't access the physical drive and has to abort there. This seems to be a generally acknowledged problem in the VMWare community, as Windows Vista introduced a compelling new security feature that makes it impossible to write to a raw drive without obtaining exclusive access to it. I have googled the issue and found a few workarounds. However, the clean ones seem to only work on whole physical disks, and not on partitions. So I would be left with the dirty solution. In short, it meddles with the MBR to erase any trace of the partitions to use, makes Windows forget about them, then restores the MBR so we can launch the VM. Is there a way to let VMWare acquire exclusive access to the partition without requiring me to nuke it away?

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• SQL: How can i update a value on a column only if that value is null?

  - by user321185

  Hey, I have an SQL question which may be basic to some but is confusing me. Here is an example of column names for a table 'Person': PersonalID, FirstName, LastName, Car, HairColour, FavDrink, FavFood Let's say that I input the row: 121312, Rayna, Pieterson, BMW123d, Brown, NULL, NULL Now I want to update the values for this person, but only if the new value is not null, Update: 121312, Rayna, Pieterson, NULL, Blonde, Fanta, NULL The new row needs to be: 121312, Rayna, Pieterson, BMW123d, Blonde, Fanta, NULL So I was thinking something along the lines of: Update Person(PersonalID, FirstName, LastName, Car, HairColour, FavDrink, FavFood) set Car = @Car (where @Car is not null), HairColour = @HairColour (where @HairColour...)... etc. My only concern is that I can't group all the conditions at the end of the query because it will require all the values to have the same condition. Can't i do something like Update HairColour if @HairColour is not Null

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• How do I run strace or ltrace on Tomcat Catalina?

  - by flashnode

  Running ltrace isn't trivial. This RHEL 5.3 system has based on a Tomcat Catalina (servlet container) which uses text scripts to tie everything together. When I tried to find an executable here's the rabbit hole I went down: /etc/init.d/pki-ca9 calls dtomcat5-pki-ca9 ]# Path to the tomcat launch script (direct don't use wrapper) TOMCAT_SCRIPT=/usr/bin/dtomcat5-pki-ca9 /usr/bin/dtomcat5-pki-ca9 calls a watchdog program /usr/bin/nuxwdog -f $FNAME I replaced nuxwdog with a wrapper [root@qantas]# cat /usr/bin/nuxwdog #!/bin/bash ltrace -e open -o /tmp/ltrace.$(date +%s) /usr/bin/nuxwdog.bak $@ [root@qantas]# service pki-ca9 start Starting pki-ca9: [ OK ] [root@qantas]# cat /tmp/ltrace.1295036985 +++ exited (status 1) +++ This is ugly. How do I run strace or ltrace in tomcat?

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• "Circuit breaker" for net.msmq?

  - by Alex

  Hi, The Circuit Breaker pattern, from the book Release It!, protects a service from requests while it is failing (or recovering). The net.msmq binding used with transactions give us nice retry and poison message capabilities. But I am missing the implementation of such a "Circuit breaker" pattern. A service is put under even heavier load by retries while it is already in a failure condition (like DB connectivity issues causing loads of blocked threads etc.). Anyone knows about a behavior extension or similar that explicitly closes the service host when defined failure thresholds have been exceeded? Cheers, Alex

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• Why doesn't SuperGenPass work on some sites when I use Chrome?

  - by Lunatik

  Bookmarklet SuperGenPass sometime fails to popup when I click the bookmark in Chrome. It does however work when on the same page works in Firefox; an example is http://www.engadget.com/login This behaviour also replicated on a new Chrome tab (understandably, there is no domain), but some sites just fail to launch it meaning you have to go to another site, open it up, enter in [something] to get the 'Regenerate password' link, enter the domain manually then finally enter your master password to get the generated password! Something about the makeup of the page seems to make SuperGenPass think that it isn't able/required to popup. The FAQ doesn't make any mention of this fact, neither does a quick Google turn up anything that looks relevant. Does anyone else have the same issue? How can it be fixed? I'm on Windows using the current release of Chrome (5.x at the moment, but probably 18.x by the time you read this next week based on Google's seemingly logarithmic release numbering).

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• DB2: Won't allow parameterize fetch first X rows only

  - by Guy Roth

  Although in Oracle DB its is allowed to parametrize the number of rows that the query can fetch by adding to the query: select ... from ... where ... and rownum <= @MaximumRecords I can't add similar condition to acuivalent query running in DB2: It is allowed to add: select ... from ... where ... fetch first 500 rows only (where there is fixed number of rows) but not: select ... from ... where ... fetch first :1 rows only (:1 == @MaximumRecords) Is someone aware of a solution/work-around to this problem?

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• How do I properly check if a program is a virus/trojan in VMware?

  - by acidzombie24

  How I should check if a program is a virus in VMware? Some programs I do need admin ability to install and it makes sense. But how do I know if it's doing more than I want? Some thoughts are: How many processes open when I launch the application What is added to the startup tab in msconfig If any services are added. That's pretty much all my ideas. Even if it does something I recognize I wouldn't know if it's necessary or not. What are some rule of thumb? -Edit- What about registries, can I use that information to help? Maybe have a scanner tell me if the application I just used has messed with sections (like bootup) it shouldn't have?

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• onTextChanged Event for many Textboxes c#

  - by Alan Bennett

  Hi, I am currently building a prototype for a new system screen, and i am using c# to build this. The question i have is, i currently have 14 textboxes which are filled from a condition from a couple of other controls on the screen. these 14 textboxes all add up to a total shown in another textbox. as these textboxes are editable (in case the client wishes to increase the value) (cant go into to much detail but they will) I need to have a firable ontextchange event for when the values change so the total box updates. however i have a feeling there must be a way of not having to create 14 different events, is there a way that i can have 1 event which fires if any of the 14 text boxes are fired? thanks Alan

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