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• Having C# application communicate with Nagios

  - by user200295

  We are using Nagios to monitor our network with great results. There is now a new requirement we are struggling with: We want to notify Nagios of an non fatal but critical application errors. The application does not stop running but there is some sort of issue that needs looking into. Once the issue has been looked into, we need some way to "unflag" the issue in Nagios. We tried using the syslog, but the biggest problem was once an error was logged, the service was put into an error state with no way to recover. Also, while applications would report a critical error to the syslog, most of the time they don't report an "All clear" error.

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• Data sync solution?

  - by user321088

  For some security issues I'm in an envorinment where third party apps can't access my DB. For this reason I should have some service/tool/script (dunno what yet... i'm open to the best option, still reading to see what I'm gonna do...) which enables me to generate on a regular basis(daily, weekly, monthly) some csv file with all new/modified records for a certain application. I should be able to automate this process and also export at any time a new file. So it should keep track for each application which records he still needs. Each application will need some data in some other format (csv/xls/sql), also some fields will be needed for some application and some aren't... It should be fairly flexible... What is the best option for me? Creating some custom tables for each application? Based on that extracting modified data?

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• How to load toolbox items of different domain specific languages

  - by Tejas

  I have 'n' different domain specifc languages e.g. language1, language2, ...., languagen each of which contains different toolbox items. Let say first language is for banking process, second one is for health process, third one is for insurance process etc. I want to load toolbox items of every above mentioned languages into every language. i.e. the toolbox item defined in banking process should be visible and functional in all other languages i.e. inside health and insurance languages resp.

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• A problem about in_array

  - by SpawnCxy

  Hi all, I have got a strange problem about in_array recently which I cannot understand. e.g. $a = array('a','b','c'); $b = array(1,2,3); if (in_array(0,$a)) { echo "a bingo!\n"; } else { echo "a miss!\n"; } if (in_array(0,$b)) { echo "b bingo!\n"; } else { echo "b miss!\n"; } I ran it on my lamp,and got a bingo! b miss! I read the manual and set the third parament $strict as true,then it worked as expected.But does that mean I always need to set the strict parament as true when using in_array?Suggestions would be appreciated. Regards

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• How to hide Thinking at Work so that the Non-Programmers don't suspect Slacking?

  - by stesch

  Better programmers than me can write in essays about walking around with a coffee mug and call it programming. And it's perfectly accepted at a place that knows the business. Or see what Gregory House (TV show "House M.D.") does when he is thinking. But what about the other places where you are the only programmer? If you don't stare at boring stuff on the monitor for 8 hours straight, co-workers suspect you being a slacker. Yes, not the managers who see the output. Only the co-workers who see the process and can't relate to this kind of work. Yesterday I had to explain to a trainee of some other profession that software development is like flying. The explanation from the Hitchhiker's Guide to the Galaxy. I don't think she bought it.

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• Simple hardware RNG

  - by roygbiv

  I made a tongue-in-cheek comment to this question about making a hardware RNG. Does anyone know of any simple plans or can anyone descibe a simple hardware based RNG and the software to drive it? Go to Radio Shack. Buy a diode, an NTR resistor, a capacitor and serial cable. Cut off the end of the serial cable that does not fit on your computer. Solder the diode and resistor in series between pins DTR and DSR of the cable. Solder the capacitor between DSR and TXD pins. Write a small C program to do the following: Set DTR to 1. Start Timer. Monitor DSR until it goes to 1. Stop Timer. Calculate resistance from elapsed time. Retreive serveral bits from that value to use as part of random number. Repeat until enough bits have accumulated.

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• ASP.NET MVC 3 - What features do you want to see?

  - by user299592

  I know a bunch of people that are really enjoying the improvements that ASP.NET MVC 2 made over the first release. I have just started to migrate our MVC 1 project over and so far areas has totally cleaned up the subfolder mess we had in our large scale application. As I dive deeper into all the improvements and changes that were made I still keep thinking to myself man it would be nice if they had x in this release. For isntance, I would love it if they had some sort of dependency injection built in instead of having to use third party solutions. My real question is now that ASP.NET MVC 2 is out in the wild, what features do want/wish the team had implemented and hope they will implement for ASP.NET MVC 3?

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• acessing network shared folder with a username and password string in vb.net

  - by Irene

  i am using the following code to read the details from a network folder which is restricted for only one user shell("net use q: \\serveryname\foldername /user:admin pwrd", AppWinStyle.Hide, True, 10000) Process.Start(path) shell("net use q: /delete") when i run this to open any pdf or jpg or any other files except word/excel/powerpoint, everything is working fine. but the problem comes only when i access a word file. in the step one, i am giving permission to access the word file. in the step two, word file is open. in the third, i am deleting the q drive. the problem is the word file is still open. so i am getting a dos window, saying that "some connections of still connected or searching some folders, do you want to force disconnect" please help.... how to access a word file (editable files) providing user name and password from the code and at the same time he shoud not have access to any other folders directly.

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• Render a partial from a task in Symfony 1.4

  - by Cryo

  I'm trying to render a partial in a Symfony task and having no luck. I found docs in 1.1 that say to just call get_partial() but apparently that's no longer readily available in 1.4. I tried loading the helper manually with sfLoader::getHelpers('Partial'); but I get "Class sfLoader not found". Any help would be greatly appreciated. For reference what I'm trying to do is generate an HTML file called 'header.html' from my global header partial used in all of my layouts for inclusion in a third-party forum I'm integrating (Simple Machines/SMF).

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• Polymorphic association in reverse

  - by Erik

  Let's say that I have two models - one called Post and one other called Video. I then have a third model - Comment - that is polymorphically associated to to each of these models. I can then easily do post.comments and video.comments to find comments assosciated to records of these models. All easy so far. But what if I want to go the other way and I want to find ALL posts and videos that have been commented on and display these in a list sorted on the date that the comment was made? Is this possible? If it helps I'm working on Rails 3 beta.

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• Normalization in plain English

  - by Yada

  I sort of understand the concept of database normalization but always have a hard time explaining it in plain English especially for a job interview. I have read the wikipedia post, but still find it hard to explain the concept to none developers. "Design a database in a way not to get duplicated data" is the first thing that comes to mind. Does anyone was a nice way to explain the concept of database normalization in plain English. And what are some nice examples to show the differences between first, second and third normal forms. Say you go to a job interview and the person asks: Explain the concept of normalization and how would go about designing a normalized database. What key points are the interviewer looking for?

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• R: How to tell lapply to ignore an error and process the next thing in the list?

  - by John

  I have an example function below that reads in a date as a string and returns it as a date object. If it reads a string that it cannot convert to a date, it returns an error. testFunction <- function (date_in) { return(as.Date(date_in)) } testFunction("2010-04-06") # this works fine testFunction("foo") # this returns an error Now, I want to use lapply and apply this function over a list of dates: dates1 = c("2010-04-06", "2010-04-07", "2010-04-08") lapply(dates1, testFunction) # this works fine But if I want to apply the function over a list when one string in the middle of two good dates returns an error, what is the best way to deal with this? dates2 = c("2010-04-06", "foo", "2010-04-08") lapply(dates2, testFunction) I presume that I want a try catch in there, but is there a way to catch the error for the "foo" string whilst asking lapply to continue and read the third date?

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• SSRS report combine data sources and generate csv

  - by Nithin

  I am new to ssrs. I have a report that gets data from two databases. I can create two datasets that connect to two different databases. The databases are third party and I cannot create stored procedures on the databases. My issue is that I have to combine the data from the two queries. Please help me with this issue or point me to locations where I can find answers. Thanks in advance.

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• inherit properties and then change some on particular site (css)

  - by Radek

  I have three menus on this test web site. I am learning css and trying all the menus inherit all properties from menu class. The second one looks different and is not clickable. I am happy with the 3rd one, just want to make it horizontal and change its position bit. Could somebody tell me why the second menu is not click-able? how I can make the third menu vertical? I thought that display: block; for li of the 3rd menu would do the trick but I do not know the css path for that li.

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• Microsoft CRM could not log you on to the system. Make sure your user record...

  - by Willy

  "Microsoft CRM could not log you on to the system. Make sure your user record is enabled and that you have been assigned at least one security role. For more information, contact your system administrator." When I RDP into the server and try Microsoft CRM Workflow Manager/Monitor with http or https connectivity, it doesn't work. "The specified Microsoft CRM server is not responding. This might happen if it is currently unavaliable, it is not a Microsoft CRM server, or you are not a valid user. Contact your sys-admin." This is a Microsoft CRM v3.0 / Microsoft SQL server 2005 box, Active directory is on a seperate box.. When I right click Microsoft CRM Worlkflow Service, properties, log on: it shows "crmtestuser" and a password. I did not RDP or try logging in as that crmtestuser, but I am Admin... Could this be a clue? What can I try?

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• How to implement exception chaining in PHP

  - by Josef Sábl

  Constructor for PHP's exception has third parameter, documentation says: $previous: The previous exception used for the exception chaining. But I can't make it work. My code looks like this: try { throw new Exception('Exception 1', 1001); } catch (Exception $ex) { throw new Exception('Exception 2', 1002, $ex); } I expect Exception 2 to be thrown and I expect that it will have Exception 1 attached. But all I get is: Fatal error: Wrong parameters for Exception([string $exception [, long $code ]]) in ... What am I doing wrong?

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• How many repositories should I use to maintain my scripts under version control?

  - by romandas

  I mainly code small programs for myself, but recently, I've been starting to code for my peers on my team. To that end, I've started using a Mercurial repository to maintain my code in some form of version control (specifically, Tortoise-Hg on Windows). I have many small scripts, each in their own directory, all under one repository. However, while reading Joel's Hg Tutorial, I tried cloning a directory for one of my bigger scripts to create a "stable" version and found I couldn't do it because the directory wasn't itself a repository. So, I assume (and please correct me if I'm mistaken) that in order to use cloning properly, I'd have to create a repository for each script/directory. But.. would that be a "good idea" or a future maintenance nightmare waiting to happen? Succinctly, do I keep all my (unrelated) scripts in one repository, or should I create a repository for each? Or some unknown third option?

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• Django openid authentication with google

  - by Zayatzz

  Hello I am looking into authenticating via google. I dont understand how it works:http://code.google.com/apis/accounts/docs/OpenID.html#Samples If i do that 2nd request by entering the data as one url with params into browser i get back XML file. Should i not get back sample response nr3? Can somebody explain this to me? The problem is, that im trying to sort through some third party app that uses google openid authentication and its not recieving authenticated users e-mail back, like in sample response 3. Alan PS i have read through similar questions and their responses and gone through pages like: http://stackoverflow.com/questions/353880/how-does-openid-authentication-works http://www.windley.com/archives/2006/04/how_does_openid.shtml http://tinisles.blogspot.com/2008/02/how-does-openid-work.html http://openid.net/pres/protocolflow-1.1.png etc..

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• How often do you find javascript disabled on browsers?

  - by Mark Redman

  I have started using ajax/jQuery in our websites / application. There are many plugins that support degrading the javascript to browsers that dont have javascript enabled and techniques to support this. What are peoples thoughts on javascript support, we build applications rather than just websites and are looking to just support javascript enabled browsers as a pre-requisite assuming that most people or companies have javascript enabled. Do you find most people have javascript? do you monitor the percentage of javascript/non-javascript browsers (I guess this can be done with website stats) and what are the numbers regarding this?

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• Setting JMX attribute on VM as command line paramater

  - by 117440226733149663383

  I've done some searching, but can't seem to find a way to do this. We'd like to proactively monitor our permgen space via JMX. It seems the best way to do this is through the UsageThreshold attribute on the "PS Perm Gen" MemoryPool. By default, this is set to 0. Is there a way to specify this, or any JMX attribute, as a -D parameter to VM so this can be set automatically at startup? Or is there another mechanism to load JMX attributes automatically? Thanks.

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• Save a binary file in SQL Server as BLOB and text (or get the text from Full-Text index)

  - by Glennular

  Currently we are saving files (PDF, DOC) into the database as BLOB fields. I would like to be able to retrieve the raw text of the file to be able to manipulate it for hit-highlighting and other functions. Does anyone know of a simple way to either parse out the files and save the raw text on save, either via SQL or .net code. I have found that Adobe has a filtdump utility that will convert the PDF to text. Filtdump seems to be a command line tool, and i don't see a way to use a file stream. And what would the extractor be for Office documents and other file types? -or- Is there a way to pull out the raw text from the Full text index? Note i am trying to build a .net & MSSql solution without having to use a third party tool such as Lucene

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• How to determine Windows.Diagnostics.Process from ServiceController

  - by Alex

  This is my first post, so let me start by saying HELLO! I am writing a windows service to monitor the running state of a number of other windows services on the same server. I'd like to extend the application to also print some of the memory statistics of the services, but I'm having trouble working out how to map from a particular ServiceController object to its associated Diagnostics.Process object, which I think I need to determine the memory state. I found out how to map from a ServiceController to the original image name, but a number of the services I am monitoring are started from the same image, so this won't be enough to determine the Process. Does anyone know how to get a Process object from a given ServiceController? Perhaps by determining the PID of a service? Or else does anyone have another workaround for this problem? Many thanks, Alex

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• AVDs that exist do not get listed in the "Target Tab"

  - by Abhi

  I am using emulator Android 2.1 with Eclipse. For few days I had the emulator working ... was able to debug... I had 2 AVDs created and was using one of them. Earlier today I had to move my classes to a different package. Ever since I did that the configuration that I had has disappeared . So now I had to create configuration - I select Android Application and then click New - gave it a name TestPrjCfg - when I go to the "Target" tab - I see "No AVD available" but when I click manager I see two AVDs listed. I tired refresh in the "Target" tab - the existing AVDs do not show up. I used the Manager and created a third AVD that did not help either. Please let me know what am I missing here? What should I do so that the existing AVDs showup in the "Target" tab- Thank you for the time and effort abhi

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• How does the Licenses.licx based .Net component licensing model work?

  - by Gishu

  I've encountered multiple third part .Net component-vendors use a licensing scheme. On an evaluation copy, the components show up with a nag-screen or watermark or some such indicator. On a licensed machine, a Licenses.licx is created - with what appears to be just the assembly full name/identifiers. This file has to be included when the client assembly is built. How does this model work? Both from component-vendors' and users' perspective. What is the .licx file used for? Should it be checked in? We've had a number of issues with the wrong/right .licx file being checked in and what not

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• Is there a way to declare a variable that implements multiple interfaces in .Net?

  - by Bryan Anderson

  Similar to this Java question. I would like to specify that a variable implements multiple interfaces. For instance private {IFirstInterface, ISecondInterface} _foo; public void SetFoo({IFirstInterface, ISecondInterface} value) { _foo = value; } Requirements: I don't have the ability to add an interface to most type that would be passed in to Foo. So I can't create a third interface that inherits from IFirstInterface and ISecondInterface. I would like to avoid making the containing class generic if possible because the type of Foo doesn't have much to do with the class and the user isn't likely to know it at compile time. I need to use foo to access methods in both interfaces at a later time. I would like to do this in a compiler safe way, i.e. no trying to cast to the interface just before trying to use it. If foo does not implement both interfaces quite a bit of functionality won't work properly. Is this possible?

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