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• Build multiple sources into multiple targets in a directory

  - by Taschetto

  folks. I'm learning about GNU-Make and I have the following project structure: ~/projects /sysCalls ex1.c ex2.c ex3.c ex4.c ex5.c ex6.c ex7.c Each .c source is very simple, has its own main function and must be built into a corresponding binary (preferably named after its source). But I want to build into a bin directory (added to my .gitignore file). My current Makefile is: CC := gcc CFLAGS := -Wall -g SRC := $(wildcard *.c) TARGET := $(SRC:.c=) all: bin $(TARGET) mv $(TARGET) bin/ bin: mkdir bin clean: rm -fr bin/ It works as expected, but always builds every source. And I don't like moving everything to bin "manually". Any tips or ideas on how this Makefile could be improved?

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• Ubuntu/Debian: Show list of available versions of a specific package

  - by karl93

  Sorry, this might be a beginner question: How can I list all available versions of specific package? I know with apt-get install myPackage=1.2.3 a specific version could be installed. And with apt-show-version -a myPackage I would get a list of versions that are known by the system. But how getting a list of all available versions. I think that isn't possible using the apt tools because they are restricted to configured repositories. So what is the way to go? Some web-repositories? What is the recommondation for Ubuntu 8.04?

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• Previous Versions delayed with SBS 2008 / Windows 7

  - by indeed005

  The SBS 2008 at this site has Previous Versions enabled on a mapped drive. The snapshots happen 3 times a day. I doubt they take very long; the diff size is only a few GB. The problem is that the users on Windows 7 cannot see their previous versions until a few hours later. Is there some indexing that has to happen before the Previous Versions are visible to the client machines? Edit: In the application log, 3 minutes after every scheduled backup, there is an event for VSS (EventID 8224) saying "The VSS service is shutting down due to idle timeout" Apparently this means it has finished successfully, even though modified files still do not show another version.

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• SQL Server Certification - a database platform primer for your career path

  - by ssqa.net

  When you need to upgrade your knowledge then training is required, at the same time certifications will help you to keep up on what you have learned! There is a big debate on the web about whether certifications are important in your career or not, the bottomline is if you do not know the stuff or unable to answer few basic technical questions, it does'nt matter how many certifications you have then you will not get the job, well I'm not starting the same discussion here. But in the recent...(read more)

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• Maintaining Revision Levels

  - by kyle.hatlestad

  A question that came up on an earlier blog post was how to limit the number of revisions on a piece of content. UCM does not inherently enforce any sort of limit on how many revisions you can have. It's unlimited. In some cases, there may be content that goes through lots of changes, but there just simply isn't a need to keep all of its revisions around. Deleting those revisions through the content information screen can be very cumbersome. And going through the Repository Manager applet can take time as well to filter and find the revisions to get rid of. But there is an easier way through the Archiver. The Export Query criteria in Archiver includes a very handy field called 'Revision Rank'. With revision labels, they typically go up as new revisions come in (e.g. 1, 2, 3, 4, etc...). But you can't really use this field to tell it to keep the top 5 revisions. Those top 5 revision numbers are always going up. But revision rank goes the opposite direction. The very latest revision is always 0. The previous revision to that is 1. Previous revision to that is 2. And so on and so forth. With revision rank, you can set your query to look for any Revision Rank greater or equal to 5. Now as older revisions move down the line, their revision rank gets higher and higher until they reach that threshold. Then when you run that archive export, you can choose to delete and remove those revisions. Running that export in Archiver is normally a manual process. But with Idc Command, you can script the process and have it run automatically from the server. Idc Command is a utility that allows you to run any of the content server services via the command line. You basically feed it a text file with the services and parameters defined along with the user to run it as. The Idc Command executable is located within the \bin\ directory: $ ./IdcCommand -f DeleteOlderRevisions.txt -u sysadmin -l delete_revisions.log In this example, our IdcCommand file to run the export and do the deletions would look like: IdcService=EXPORT_ARCHIVE aArchiveName=DeleteOlderRevisions aDoDelete=1 IDC_Name=idc dataSource=RevisionIDs <<EOD>> You can then use automated scheduling routines in the OS to run the command and command file at the frequency needed. Remember that you are deleting the revisions from within UCM, but they are still getting placed within the archive. So you will need to delete those batches to have them fully removed (or re-import if you need to recover them). For more information about Idc Command, you can find that in the Idc Command Reference Guide.

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• Mind the gap, the latest version number for SQL Server 2008 R2 is....

  - by ssqa.net

  Since the news about SQL Server 2008 R2 RTM is publicised I have downloaded and installed the Evaluation edition and R2 Express edition. You can also download SQL Server 2008 R2 RTM - Management Studio Express (with pre-registration) The Microsoft® SQL Server® 2008 R2 RTM - Express is a powerful and reliable data management system that delivers a rich set of features, data protection, and performance for embedded applications, lightweight Web applications, and local data stores. Designed for easy...(read more)

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• How to install older ruby version on ubuntu Precise Pangolin?

  - by Codestudent

  I got a present: older Rails tutorials that needs old ruby version. I try to install ruby-1.8 with the packet manager. I still got problems with the tutorial example code. Next I try rvm to install the old ruby version. Unfortunately I got an error. I do not know what to do. I search the internet. Many people got no problems with rvm. rvm use *ERROR: Branch origin/ruby_1_8_4 not found.* and *ERROR: Error running 'GEM_PATH="/usr/share/ruby-rvm/gems/ruby-1.8.4- tv1_8_4:/usr/share/ruby-rvm/gems/ruby-1.8.4-tv1_8_4@global:/usr/share/ruby- rvm/gems/ruby-1.8.4-tv1_8_4:/usr/share/ruby-rvm/gems/ruby-1.8.4-tv1_8_4@global" GEM_HOME="/usr/share/ruby-rvm/gems/ruby-1.8.4-tv1_8_4" "/usr/share/ruby- rvm/rubies/ruby-1.8.4-tv1_8_4/bin/ruby" "/usr/share/ruby-rvm/src/rubygems- 1.3.7/setup.rb"', please read /usr/share/ruby-rvm/log/ruby-1.8.4- tv1_8_4/rubygems.install.log* Please give me a hint.

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• Upgrade from 9.10 to 11

  - by Fernando Costa

  I have an installation in my machine (my version is 9.10 Karmic) and I got a warning to Upgrade to a version 10.04, to me it is okay, and I would like to upgrade to the 10.04, but here is my question. If I do, what will happen to my system of files? All my files? My programs, my apache configuration? All my servers.. Does everything reset to default? Will I lost all my data? Because if YES, will lost everything, why such a warning appears to me? Then the best solution is, format everything and install a brand new ubuntu version 11. Otherwise I still using 9.10 Karmic version,and just update normally as I'm required.. What is the best to do on this situation? Appreciate any help!

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• dist-update kernel failed?

  - by AlbertK

  I run: sudo apt-get update sudo apt-get dist-upgrade , and the linux kernel seemed to be updated to 3.2.0-31-generic successfully. However, after I rebooted, I typed: uname -a , it showed : Linux Albert-PC 3.2.0-29-generic #46-Ubuntu SMP Fri Jul 27 17:03:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux Does that means the kernel wasn't being updated? I didn't encounter any error or warning messages during the upgrade or dist-upgrade. Thanks for any help

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• Tool to search for packages whose installed version does not match any version from a repository?

  - by Ryan Thompson

  I just upgraded from Lucid to Maverick, and as expected, all my PPAs were disabled. I have re-enabled most of the ones that I want, but I would like to get a list of all packages that I installed from PPAs that I no longer have enabled. I feel that the best way to do this would be to search for all packages where the currently installed version of that package does not match any version from a currently-enabled repository. Is there an easy way to search for such packages. Command-line solutions welcome.

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• How do I recover from upgrading while using bad version of gcc/binutils?

  - by Shawn J. Goff

  I upgraded from 9.04 to 10.10 a couple of days ago, and things are really messed up - X is crashing constantly. Since then, I had an application segfault for no reason, when I was debugging, I found that it was strlen() that was causing the segfault (pointing to libc being the problem)! Upon investigation, I found that it was because I had a bad version of gcc and binutils installed in /usr/bin/local; I removed it, recompiled the application, and it no longer crashes. Now, looking at my logs, I see that X is also crashing due to libc. Backtrace: 0: /usr/bin/X11/X (xorg_backtrace+0x3b) [0x80ef31b] 1: /usr/bin/X11/X (0x8048000+0x5d00d) [0x80a500d] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0xb77e240c] 3: /usr/bin/X11/X (0x8048000+0xbb0b6) [0x81030b6] 4: /usr/bin/X11/X (0x8048000+0xbc3ef) [0x81043ef] 5: /usr/bin/X11/X (0x8048000+0x26ee7) [0x806eee7] 6: /usr/bin/X11/X (0x8048000+0x1a5da) [0x80625da] 7: /lib/libc.so.6 (__libc_start_main+0xe7) [0xb750ace7] 8: /usr/bin/X11/X (0x8048000+0x1a1b1) [0x80621b1] Segmentation fault at address 0x32156654 Caught signal 11 (Segmentation fault). Server aborting So, how can I recover from this?

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• How can I install a specific older version of Firefox and keep it from automatically updating?

  - by Matt V.

  I wrote a bash script to configure a suite of tools for continuous integration on top of Ubuntu 10.04.2. The script recently stopped working and I tracked the problem down to the newer version of Firefox that was just released. The image of Ubuntu that I'm starting with already has Firefox installed, but I need a version in between what it comes with and the latest. Here's the code I was using: sudo add-apt-repository ppa:mozillateam/firefox-stable sudo apt-get update echo "y" | sudo apt-get install firefox How can I instead install Firefox 7.0.1 and keep it from automatically upgrading to the latest version? If I can, I'd like to avoid installing Firefox manually, so I can more easily use apt-get later, once the issue I'm running into gets resolved.

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• Which version control system to use?

  - by deshmukh

  I am looking at using a version control system to ensure that I can go back in time to a particular version for all documents in ~, if I have to. What is the best suited tool for this given that: I am without much experience in version control systems Several files will be plain text files but there will be some Libre-Office files also The tool should: Be easy to set-up, run and maintain Have easy to understand configuration options (what directories to track, for how long, how frequently the changes should be captured, etc.) Ideally have a GUI front also Be able to recover deleted files What is the best/ most widely used tool that will be suitable for me?

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• Is it worth upgrading Ubuntu 10.04 to 12.04? [closed]

  - by Ariel

  A few years ago, I used Ubuntu 10.04, and i liked it a lot. It never crashed. Then I have to change to Win*** because of work. But this year, I heard about Ubuntu 12.04 and I wanted to install it. I've done this, but I have a lot of crashes. I don't do something special to make ubuntu crash, but sometimes it shows me a crash message. So, is it worth migrating to 12.04? Do somebody stay with the 10.04? I really want to use ubuntu, and I will, but I don't know if it worth to use the newest release or with the 10.04. If i install the 10.04 version, ubuntu tells me all the time to upgrade to the new version? Or will I use it fine? What do you suggest me? Thanks everybody for your time, and sorry for my english.

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• Ubuntu 13.10 vs 12.04 LTS

  - by Shaun

  I am migrating my workflow to ubuntu from windows. I have a macbook pro at home and I really enjoy being able to use the workspaces feature on ubuntu to increase my productivity. As myself being someone that isn't very familiar with doing command line things and hasn't worked with linux a whole lot other than doing basic commands like cd, ls, rm, screen, and sudo. I was wondering what you think would be the best choice for a ubuntu version. I am looking for ease of use as well as stability. I spend most of my time working with eclipse, as well as writing documents. On a side note, right now I have a pretty high end workstation, but I am using a crappy notebook 2.5 inch 1TB hard drive for my system. Would it be worth it to switch to a top of the line SSD, or would the difference not really be noticeable? How difficult would it be for a newcommer to setup the system with the os and important folders running on a SSD and then other folders for storage running on a HD.

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• Ubuntu 12.10 blender problem

  - by SamueLL

  please I have a problem i want to install older version of blender becouse i don't fell very well in new UI. I downloaded blender-2.46-linux-glibc236-py25-x86_64 from official site and i had some problems like missing python-2.5 library but i fixed them and now i have problem that i can solve... Compiled with Python version 2.7.3. Warning: could not set Blender.sys.progname Can you help me with this please?

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• Which version of Ubuntu is recommended for Samsung N270 notebook?

  - by Patu

  I have just installed 12.04 LTS 32bit because it was recommended but it seems slow, slightly slower than the EX family edition windows which came with the notebook and I used for 3 years.... so it makes me wonder if this is the correct version of Ubuntu for me. (or.. maybe I need to install the driver for my built in graphic card? or anything else.) specs: Samsung N270 notebook. Intel Atom cpu N270 @ 1.6GH X 2. 1GB RAM I am not sure the type of graphic card I just know that it is built in of Intel. Thank you guys for the help. Patu.

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• Passing multiple POST parameters to Web API Controller Methods

  - by Rick Strahl

  ASP.NET Web API introduces a new API for creating REST APIs and making AJAX callbacks to the server. This new API provides a host of new great functionality that unifies many of the features of many of the various AJAX/REST APIs that Microsoft created before it - ASP.NET AJAX, WCF REST specifically - and combines them into a whole more consistent API. Web API addresses many of the concerns that developers had with these older APIs, namely that it was very difficult to build consistent REST style resource APIs easily. While Web API provides many new features and makes many scenarios much easier, a lot of the focus has been on making it easier to build REST compliant APIs that are focused on resource based solutions and HTTP verbs. But  RPC style calls that are common with AJAX callbacks in Web applications, have gotten a lot less focus and there are a few scenarios that are not that obvious, especially if you're expecting Web API to provide functionality similar to ASP.NET AJAX style AJAX callbacks. RPC vs. 'Proper' REST RPC style HTTP calls mimic calling a method with parameters and returning a result. Rather than mapping explicit server side resources or 'nouns' RPC calls tend simply map a server side operation, passing in parameters and receiving a typed result where parameters and result values are marshaled over HTTP. Typically RPC calls - like SOAP calls - tend to always be POST operations rather than following HTTP conventions and using the GET/POST/PUT/DELETE etc. verbs to implicitly determine what operation needs to be fired. RPC might not be considered 'cool' anymore, but for typical private AJAX backend operations of a Web site I'd wager that a large percentage of use cases of Web API will fall towards RPC style calls rather than 'proper' REST style APIs. Web applications that have needs for things like live validation against data, filling data based on user inputs, handling small UI updates often don't lend themselves very well to limited HTTP verb usage. It might not be what the cool kids do, but I don't see RPC calls getting replaced by proper REST APIs any time soon.  Proper REST has its place - for 'real' API scenarios that manage and publish/share resources, but for more transactional operations RPC seems a better choice and much easier to implement than trying to shoehorn a boatload of endpoint methods into a few HTTP verbs. In any case Web API does a good job of providing both RPC abstraction as well as the HTTP Verb/REST abstraction. RPC works well out of the box, but there are some differences especially if you're coming from ASP.NET AJAX service or WCF Rest when it comes to multiple parameters. Action Routing for RPC Style Calls If you've looked at Web API demos you've probably seen a bunch of examples of how to create HTTP Verb based routing endpoints. Verb based routing essentially maps a controller and then uses HTTP verbs to map the methods that are called in response to HTTP requests. This works great for resource APIs but doesn't work so well when you have many operational methods in a single controller. HTTP Verb routing is limited to the few HTTP verbs available (plus separate method signatures) and - worse than that - you can't easily extend the controller with custom routes or action routing beyond that. Thankfully Web API also supports Action based routing which allows you create RPC style endpoints fairly easily:RouteTable.Routes.MapHttpRoute( name: "AlbumRpcApiAction", routeTemplate: "albums/{action}/{title}", defaults: new { title = RouteParameter.Optional, controller = "AlbumApi", action = "GetAblums" } ); This uses traditional MVC style {action} method routing which is different from the HTTP verb based routing you might have read a bunch about in conjunction with Web API. Action based routing like above lets you specify an end point method in a Web API controller either via the {action} parameter in the route string or via a default value for custom routes. Using routing you can pass multiple parameters either on the route itself or pass parameters on the query string, via ModelBinding or content value binding. For most common scenarios this actually works very well. As long as you are passing either a single complex type via a POST operation, or multiple simple types via query string or POST buffer, there's no issue. But if you need to pass multiple parameters as was easily done with WCF REST or ASP.NET AJAX things are not so obvious. Web API has no issue allowing for single parameter like this:[HttpPost] public string PostAlbum(Album album) { return String.Format("{0} {1:d}", album.AlbumName, album.Entered); } There are actually two ways to call this endpoint: albums/PostAlbum Using the Model Binder with plain POST values In this mechanism you're sending plain urlencoded POST values to the server which the ModelBinder then maps the parameter. Each property value is matched to each matching POST value. This works similar to the way that MVC's  ModelBinder works. Here's how you can POST using the ModelBinder and jQuery:$.ajax( { url: "albums/PostAlbum", type: "POST", data: { AlbumName: "Dirty Deeds", Entered: "5/1/2012" }, success: function (result) { alert(result); }, error: function (xhr, status, p3, p4) { var err = "Error " + " " + status + " " + p3; if (xhr.responseText && xhr.responseText[0] == "{") err = JSON.parse(xhr.responseText).message; alert(err); } }); Here's what the POST data looks like for this request: The model binder and it's straight form based POST mechanism is great for posting data directly from HTML pages to model objects. It avoids having to do manual conversions for many operations and is a great boon for AJAX callback requests. Using Web API JSON Formatter The other option is to post data using a JSON string. The process for this is similar except that you create a JavaScript object and serialize it to JSON first.album = { AlbumName: "PowerAge", Entered: new Date(1977,0,1) } $.ajax( { url: "albums/PostAlbum", type: "POST", contentType: "application/json", data: JSON.stringify(album), success: function (result) { alert(result); } }); Here the data is sent using a JSON object rather than form data and the data is JSON encoded over the wire. The trace reveals that the data is sent using plain JSON (Source above), which is a little more efficient since there's no UrlEncoding that occurs. BTW, notice that WebAPI automatically deals with the date. I provided the date as a plain string, rather than a JavaScript date value and the Formatter and ModelBinder both automatically map the date propertly to the Entered DateTime property of the Album object. Passing multiple Parameters to a Web API Controller Single parameters work fine in either of these RPC scenarios and that's to be expected. ModelBinding always works against a single object because it maps a model. But what happens when you want to pass multiple parameters? Consider an API Controller method that has a signature like the following:[HttpPost] public string PostAlbum(Album album, string userToken) Here I'm asking to pass two objects to an RPC method. Is that possible? This used to be fairly straight forward either with WCF REST and ASP.NET AJAX ASMX services, but as far as I can tell this is not directly possible using a POST operation with WebAPI. There a few workarounds that you can use to make this work: Use both POST *and* QueryString Parameters in Conjunction If you have both complex and simple parameters, you can pass simple parameters on the query string. The above would actually work with: /album/PostAlbum?userToken=sekkritt but that's not always possible. In this example it might not be a good idea to pass a user token on the query string though. It also won't work if you need to pass multiple complex objects, since query string values do not support complex type mapping. They only work with simple types. Use a single Object that wraps the two Parameters If you go by service based architecture guidelines every service method should always pass and return a single value only. The input should wrap potentially multiple input parameters and the output should convey status as well as provide the result value. You typically have a xxxRequest and a xxxResponse class that wraps the inputs and outputs. Here's what this method might look like:public PostAlbumResponse PostAlbum(PostAlbumRequest request) { var album = request.Album; var userToken = request.UserToken; return new PostAlbumResponse() { IsSuccess = true, Result = String.Format("{0} {1:d} {2}", album.AlbumName, album.Entered,userToken) }; } with these support types:public class PostAlbumRequest { public Album Album { get; set; } public User User { get; set; } public string UserToken { get; set; } } public class PostAlbumResponse { public string Result { get; set; } public bool IsSuccess { get; set; } public string ErrorMessage { get; set; } }   To call this method you now have to assemble these objects on the client and send it up as JSON:var album = { AlbumName: "PowerAge", Entered: "1/1/1977" } var user = { Name: "Rick" } var userToken = "sekkritt"; $.ajax( { url: "samples/PostAlbum", type: "POST", contentType: "application/json", data: JSON.stringify({ Album: album, User: user, UserToken: userToken }), success: function (result) { alert(result.Result); } }); I assemble the individual types first and then combine them in the data: property of the $.ajax() call into the actual object passed to the server, that mimics the structure of PostAlbumRequest server class that has Album, User and UserToken properties. This works well enough but it gets tedious if you have to create Request and Response types for each method signature. If you have common parameters that are always passed (like you always pass an album or usertoken) you might be able to abstract this to use a single object that gets reused for all methods, but this gets confusing too: Overload a single 'parameter' too much and it becomes a nightmare to decipher what your method actual can use. Use JObject to parse multiple Property Values out of an Object If you recall, ASP.NET AJAX and WCF REST used a 'wrapper' object to make default AJAX calls. Rather than directly calling a service you always passed an object which contained properties for each parameter: { parm1: Value, parm2: Value2 } WCF REST/ASP.NET AJAX would then parse this top level property values and map them to the parameters of the endpoint method. This automatic type wrapping functionality is no longer available directly in Web API, but since Web API now uses JSON.NET for it's JSON serializer you can actually simulate that behavior with a little extra code. You can use the JObject class to receive a dynamic JSON result and then using the dynamic cast of JObject to walk through the child objects and even parse them into strongly typed objects. Here's how to do this on the API Controller end:[HttpPost] public string PostAlbum(JObject jsonData) { dynamic json = jsonData; JObject jalbum = json.Album; JObject juser = json.User; string token = json.UserToken; var album = jalbum.ToObject<Album>(); var user = juser.ToObject<User>(); return String.Format("{0} {1} {2}", album.AlbumName, user.Name, token); } This is clearly not as nice as having the parameters passed directly, but it works to allow you to pass multiple parameters and access them using Web API. JObject is JSON.NET's generic object container which sports a nice dynamic interface that allows you to walk through the object's properties using standard 'dot' object syntax. All you have to do is cast the object to dynamic to get access to the property interface of the JSON type. Additionally JObject also allows you to parse JObject instances into strongly typed objects, which enables us here to retrieve the two objects passed as parameters from this jquery code:var album = { AlbumName: "PowerAge", Entered: "1/1/1977" } var user = { Name: "Rick" } var userToken = "sekkritt"; $.ajax( { url: "samples/PostAlbum", type: "POST", contentType: "application/json", data: JSON.stringify({ Album: album, User: user, UserToken: userToken }), success: function (result) { alert(result); } }); Summary ASP.NET Web API brings many new features and many advantages over the older Microsoft AJAX and REST APIs, but realize that some things like passing multiple strongly typed object parameters will work a bit differently. It's not insurmountable, but just knowing what options are available to simulate this behavior is good to know. Now let me say here that it's probably not a good practice to pass a bunch of parameters to an API call. Ideally APIs should be closely factored to accept single parameters or a single content parameter at least along with some identifier parameters that can be passed on the querystring. But saying that doesn't mean that occasionally you don't run into a situation where you have the need to pass several objects to the server and all three of the options I mentioned might have merit in different situations. For now I'm sure the question of how to pass multiple parameters will come up quite a bit from people migrating WCF REST or ASP.NET AJAX code to Web API. At least there are options available to make it work.© Rick Strahl, West Wind Technologies, 2005-2012Posted in Web Api   Tweet !function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs"); (function() { var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true; po.src = 'https://apis.google.com/js/plusone.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s); })();

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• Upgrading from 13.04 to 13.10 stops

  - by BuZZ-dEE

  The upgrade to 13.10 stops after a lot of error messages about texlive packages, that I could close. The upgrade goes then further, but now it is stopped. What can I do to initiate the process again? The following are the last messages from the command window.: g multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 47: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 47: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 47: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 47: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 59: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 59: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 59: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 59: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 59: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 72: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 86: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 86: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 86: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 98: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 98: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 109: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 116: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 130: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 130: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 130: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 130: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 130: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 130: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 138: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 146: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 157: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 157: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 157: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 157: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 165: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 173: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 182: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/30-cjk-aliases.conf", line 182: Having multiple <family> in <alias> isn't supported and may not work as expected Fontconfig warning: "/etc/fonts/conf.d/99-language-selector-zh.conf", line 11: Having multiple values in <test> isn't supported and may not work as expected ERROR: error('unpack requires a bytes object of length 4',) (apport-gtk:16828): Gtk-CRITICAL **: gtk_main_quit: assertion 'main_loops != NULL' failed

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• Batch file to uninstall all Sun Java versions?

  - by Ricket

  I'm setting up a system to keep Java in our office up to date. Everyone has all different versions of Java, many of them old and insecure, and some dating back as far as 1.4. I have a System Center Essentials server which can push out and silently run a .msi file, and I've already tested that it can install the latest Java. But old versions (such as 1.4) aren't removed by the installer, so I need to uninstall them. Everyone is running Windows XP. The neat coincidence is that Sun just got bought by Oracle and Oracle has now changed all the instances of "Sun" to "Oracle" in Java. So, I can conveniently not have to worry about uninstalling the latest Java, because I can just do a search and uninstall all Sun Java programs. I found the following batch script on a forum post which looked promising: @echo off & cls Rem List all Installation subkeys from uninstall key. echo Searching Registry for Java Installs for /f %%I in ('reg query HKLM\SOFTWARE\microsoft\windows\currentversion\uninstall') do echo %%I | find "{" > nul && call :All-Installations %%I echo Search Complete.. goto :EOF :All-Installations Rem Filter out all but the Sun Installations for /f "tokens=2*" %%T in ('reg query %1 /v Publisher 2^> nul') do echo %%U | find "Sun" > nul && call :Sun-Installations %1 goto :EOF :Sun-Installations Rem Filter out all but the Sun-Java Installations. Note the tilda + n, which drops all the subkeys from the path for /f "tokens=2*" %%T in ('reg query %1 /v DisplayName 2^> nul') do echo . Uninstalling - %%U: | find "Java" && call :Sun-Java-Installs %~n1 goto :EOF :Sun-Java-Installs Rem Run Uninstaller for the installation MsiExec.exe /x%1 /qb echo . Uninstall Complete, Resuming Search.. goto :EOF However, when I run the script, I get the following output: Searching Registry for Java Installs 'DEV_24x6' is not recognized as an internal or external command, operable program or batch file. 'SUBSYS_542214F1' is not recognized as an internal or external command, operable program or batch file. And then it appears to hang and I ctrl-c to stop it. Reading through the script, I don't understand everything, but I don't know why it is trying to run pieces of registry keys as programs. What is wrong with the batch script? How can I fix it, so that I can move on to somehow turning it into a MSI and deploying it to everyone to clean up this office? Or alternatively, can you suggest a better solution or existing MSI file to do what I need? I just want to make sure to get all the old versions of Java off of everyone's computers, since I've heard of exploits that cause web pages to load using old versions of Java and I want to avoid those.

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• In Icinga (Nagios), how do I configure hosts with multiple IPs?

  - by gertvdijk

  I'm setting up Icinga (Nagios fork) and I have some machines with multiple interfaces. Some services are only listening on one of them and to check them correctly, I like to know if it's possible to have multiple IP addresses configured for a single host in Icinga. Here's a minimal example: Remote Server: eth0: 1.2.3.4 (public IP) eth1: 10.1.2.3 (private IP, secure tunnel) Apache listening on 1.2.3.4:80. (public only) OpenSSH listening on 10.1.2.3:22. (internal network only) Postfix SMTP listening on 0.0.0.0:25 (all interfaces) Icinga Server: eth0: 10.2.3.4 (private IP, internet access) Now if I define a host: define host { use generic-host host_name server1 alias server1.gertvandijk.net address 10.1.2.3 } This will not check the HTTP status correctly. And defining an additional host: define host { use generic-host host_name server1-public alias server1.gertvandijk.net address 1.2.3.4 } will check everything, but shows up as two independent hosts. Now I want to 'aggregate' these two hosts to show up as a single host, yet providing an easy configuration to check the services on their proper address. What is the most elegant number-of-configuration-lines-saving solution to this? I read about several plugins available to workaround this, but I can't figure out what is the current way to address it. Solutions go back to 2003, but I'm running Icinga 1.7.1, already capable of the address6 option, yet that triggers IPv6-only resolving on the hostname... Ideally, I wish to configure Icinga to be intelligent enough to know that the Postfix instance running on 10.1.2.3:25 is the same as 1.2.3.4:25 and thus not triggering two alarms. I guess this must have been tackled before and sysadmins have it set up now. Please share your solution to this. Thanks! :)

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• Running multiple versions of Firefox

  - by nicole

  I've been reading this: http://support.mozilla.org/en-US/questions/797010#answer-193690 But it looks like it only applies to running multiple versions of Firefox when it's Firefox 4. I need to run Firefox but it seems like a lot of my clients are still running versions of Firefox 3 (is this an operating system issue? Doesn't Firefox auto-update?) so I need to run 3 plus the latest version to troubleshoot some css issues...

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• One Apache server, multiple clients - best practices for config files?

  - by OttaSean

  First time user; please be gentle. :-) (And if you don't like my question I'd be grateful for a comment as to why...) I am doing a contract at a government server shop that provides web services for multiple client groups in other areas of the government. My employer has asked me to look into how other shops, in similar situations, handle configuration files, and whether there are any best practices on the subject. I'm pretty sure there are lots of installations out there running multiple VirtualHosts out of one Apache installation, but surprisingly I couldn't find anything online about how people handle config file layout, so was hoping some of you wise folks on ServerFault might have some thoughts or pointers for me. The current setup - which seems logical to me - is that each client site has its own directory off the root - so: /client/tps-reports/ /client/silly-walks/ /client/ministry-of-magic/ and so on - and each of those directories has a /htdocs, /cgi-bin, and /conf (among others). The main /etc/apache/httpd.conf only contains Include statements (and lots of comments), the last of which is: Include /etc/apache/vhosts/*.conf The vhosts directory contains symlinks: tpsrept.conf - /client/tps-reports/conf/tpsrept.conf sillywk.conf - /client/silly-walks/conf/sillywk.conf mom.conf - /client/ministry-of-magic/mom.conf Each of those .conf files contains the actual NameVirtualHost definition and a gigantic <VirtualHost 192.168.12.34> stanza - which contains all the stuff about the specific site. The idea is that clients have access to what's in their own /client/xx directory, so they can change stuff in the section of the config that is relevant to them. As I mentioned above, that seems fairly logical to me, but I'm wondering if any of you wise folks are aware of potential gotchas with this sort of layout, or any other thoughts on why it is or isn't a good idea. In particular, how do other places do it? Is there a "best practice" for this sort of thing? Many thanks in advance for your time and any thoughts you all might have.

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• An XEvent a Day (11 of 31) – Targets Week – Using Multiple Targets to Debug Orphaned Transactions

  - by Jonathan Kehayias

  Yesterday’s blog post Targets Week – etw_classic_sync_target covered the ETW integration that is built into Extended Events and how the etw_classic_sync_target can be used in conjunction with other ETW traces to provide troubleshooting at a level previously not possible with SQL Server. In today’s post we’ll look at how to use multiple targets to simplify analysis of Event collection. Why Multiple Targets? You might ask why you would want to use multiple Targets in an Event Session with Extended...(read more)

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• Generate automated builds for source code from multiple branches using Team Foundation Server and Te

  Generate automated builds for source code from multiple branches using Team Foundation Server and Team Builds

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