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• Windows service only gets called when Visual Studio is attached to process

  - by 64th

  I've created a simple windows service in C# using Visual Studio 2010. It uses a TcpListener and socket to listen for messages on a given port. This worked absolutely perfectly when my laptop had Windows Vista on it. However, since upgrading to Windows 7 and re-installing my service it only responds if I'm attached to the process and debugging in Visual Studio 2010 - at which time it behaves as expected. I've tried running the service under my (administrator) credentials and setting the exe to run as administrator. I've also checked "Allow service to interact with desktop" when it was running under the Local System account. I'm testing using both a test console app and an Adobe Air application - both with the same results. Are there some specific permissions that I need to allow the service to be called?

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• what happen if I delete the xx.jar file after I started to execute the xx.jar

  - by ogzylz

  I have a server program running a java binary code (xx.jar file) While it is running I erranously delete the xx.jar file. The program continues to run. But I am not sure if the results will be correct, and I am not sure if the program will fail? When I delete the xx.jar file, the program was in a method for a long time and still it is in that method call. When it calls another method call will my program fail? I am asking this question because If deleting the file has no harm I will be gaining about 3-4h on a server machine

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• Resizing the imageView in a UITableView

  - by Luca

  Hi! I Created a grouped table view, and I noticed that placing an image in the imageView results in an image that is too large. It overlaps the rounded borders of the cell, which is horrible. I tried looking for a way to resize it, but I found many answers that didn't quite satisfy me. How would you do this? Which is the simplest way to go? The solutions I found where strangely complicated. Thanks!

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• Facebook: Requires a valid user is specified (either via the session or via the API parameter for specifying the user.

  - by Stoic

  Hey Everyone, I am receiving this error: Requires a valid user is specified (either via the session or via the API parameter for specifying the user. when I am trying to utilize Facebook's FB.api with JS SDK for method: users.hasAppPermission I am constantly receiving this error, for any uid I pass on. Here is my code: $(document).ready(function() { var perms_requested = <?php echo PERMS;?>; var user_id = <?=$user_id;?>; $('#perms_check').html(loading); ask_for_perms(perms_requested, function(data) { $('#perms_check').html(data); }); function ask_for_perms(perms_requested,cb) { var request = []; $.each(perms_requested,function(i,permission) { FB.api({ method: 'users.hasAppPermission', ext_perm: permission, uid: user_id }, function(response) { if (response == 0) request.push(permission); if (i == perms_requested.length - 1) cb(request.join(', ')); }); }); } }); Also, I am utilizing nearly the same code in some other part of the same application, and I am getting fine results with that.

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• Can SPSiteDataQuery search both List and Libraries?

  - by Rich Bennema

  I have the following code: SPSiteDataQuery query = new SPSiteDataQuery(); query.ViewFields = "<FieldRef Name=\"UniqueId\" />"; query.Webs = "<Webs Scope=\"SiteCollection\" />"; query.Query = "<Where<Eq><FieldRef Name='MyCustomField' /><Value Type='Boolean'>1</Value></Eq></Where>"; query.Lists = "<Lists BaseType=\"1\" />"; DataTable results = site.RootWeb.GetSiteData(query); This searches all the Document Libraries in the site collection, but I want to search all the Lists as well. Is there a way to set the Lists property to search both at the same time?

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• Using FILE_FLAG_NO_BUFFERING will return noticeable speed gain?

  - by 9dan

  Recently noticed detail description of FILE_FLAG_NO_BUFFERING flag in MSDN, and read several Google search results about unbuffered I/O in Windows. http://msdn.microsoft.com/en-us/library/aa363858(v=vs.85).aspx I wondering now, is it really important to consider unbuffered option in file I/O programming? Because many programs use plain old C stream I/O or C++ iostream, I didn't gave any attention to FILE_FLAG_NO_BUFFERING flag before. Let's say we are developing photo explorer program like Picasa. If we implement unbuffered I/O, could thumbnail display speed show noticeable difference in ordinary users?

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• Selecting a portion of a JSON array and applying variables in javascript or jquery

  - by user1644609

  I am retrieving a JSON file that returns its results like what you see below. The JSON has 365 days worth of data. I would like to create "views" of this JSON using javascript, one which pulls the last 10 days, then 1 month, 6 months, etc. After the getJSON function I am doing this to get a string as JSON, then turn it into an object and will then graph it. So I would like each "view" to be an object for the specified timeframe (using the one JSON). The obj_10days, obj_1month, etc variables would then be plotted. var $ graph = data ; var obj = $ . parseJSON ( $ graph ) ; JSON: [ { "Low": 8.63, "Volume": 14211900, "Date": "2012-10-26", "High": 8.79, "Close": 8.65, "Adj Close": 8.65, "Open": 8.7 }, { "Low": 8.65, "Volume": 12167500, "Date": "2012-10-25", "High": 8.81, "Close": 8.73, "Adj Close": 8.73, "Open": 8.76 }, { "Low": 8.68, "Volume": 20239700, "Date": "2012-10-24", "High": 8.92, "Close": 8.7, "Adj Close": 8.7, "Open": 8.85 }, Any help is appreciated, thank you!

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• How to reference filtered ng-repeat items from a controller in AngularJS

  - by ParkerDigital

  I have some JSON data that is rendered out via the ng-repeat directive, and the results are then filtered via some checkboxes/drop-downs, and some custom filter functions in my controller. I now want to add a function to my controller that is triggered by an 'ng-change' on some of the checkboxes, that can reference the current list of items in my 'ng-repeat'. I realise I can reference these values from a custom filter, for example $scope.filterProvider = function(item), but this function is then called for each and every item in the ng-repeat, which isn't what I want - I want the function to just be called each time a checkbox is checked/unchecked, and I need that function to be able to reference the items in my ng-repeat...does that make sense to anyone?! And if so, does anyone know how I can do that? Thanks :-)

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• Mysterious different conversion to string[] of seemingly same input data

  - by Roman Kuzmin

  During investigation of some problem I found that the reason was unexpected different conversion to string[] of seemingly same input data. Namely, in the code below two commands both return the same two items File1.txt and File2.txt. But conversion to string[] gives different results, see the comments. Any ideas why is it? This might be a bug. If anybody also thinks so, I’ll submit it. But it would nice to understand what’s going on and avoid traps like that. # *** WARNING # *** Make sure you do not have anything in C:\TEMP\Test # *** The code creates C:\TEMP\Test with File1.txt, File2.txt # Make C:\TEMP\Test and two test files $null = mkdir C:\TEMP\Test -Force 1 | Set-Content C:\TEMP\Test\File1.txt 1 | Set-Content C:\TEMP\Test\File2.txt # This gets just file names [string[]](Get-ChildItem C:\TEMP\Test) # This gets full file paths [string[]](Get-ChildItem C:\TEMP\Test -Include *) # Output: # File1.txt # File2.txt # C:\TEMP\Test\File1.txt # C:\TEMP\Test\File2.txt

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• providing a java servlet with information

  - by tom

  Hi, i am new to servlets. I made a simple hello world programme that prints those famous 2 words to the screen when i access the page via a browser using http://localhost:8080/mypath/path... My question is now, how do i provide a servlet with information? Specifically considering the fact that my c# programme calculates a lookup value for a global system, then the "java" servlet processes that and returns a set of results. I have done the reverse thanks to help on here, regarding calling a returned string from the java servlet in c#. However i am not sure how i go about providing the servlet information. Do i pass it via the url? Thank you

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• Add a custom class name to Wordpress body tag?

  - by Scott B

  I'd like to place a directive in my theme's functions.php file which appends a classname to the wordpress body tag. Is there a built-in API method for this? For example, my body tag code is... <body <?php if(function_exists("body_class") && !is_404()){body_class();} else echo 'class="page default"'?>> And it results in the following being written to the body tag (depending on the context in which the page is presented (page, post, logged-in, etc) <body class="home blog logged-in"> Depending on the child theme I'm using at the time, I want it to be... <body class="home blog logged-in mychildthemename">

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• PHP: report table with date gaps

  - by Daniel

  Hi. I have a table in DB which contains summaries for days. Some days may not have the values. I need to display table with results where each column is a day from user selected range. I've tried to play with timestamp (end_date - start_date / 86400 - how many days in report, then use DATEDIFF(row_date, 'user_entered_start_date') and create array from this indexes), but now I've got whole bunch of workarounds for summer time :( Any examples or ideas how to make this correct? P.S. I need to do this on PHP side, because DB is highly loaded.

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• One Database Field to Hold Survey Answer

  - by yar

  Skipping the question of whether this is bad design (and the question of why I would want/need to do this), I'm just wondering if my 'math' is right... I have n things that need to be put in order (n is always less than 5): thing1 thing2 thing3 ... and I'd like to store these results in a single integer for thing. My initial thought is that (obviously the code will not look like this): thing = thing1 * 1 + thing2 * 2 + thing3 * 4 + thing5 * 8 will always give me a unique value, and that any value for thing will always translate back to its values for thing1...thingn. Is this correct?

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• Will Haskell be a good choice for my task?

  - by Narzanka

  I'm starting a new project and don't know which language to use. My 'must have' requirements are: Be able to run on Windows/LinuxMacOs natively (native executable) - user should be able to just run the exe (when on Windows for example) and see the results. No runtimes/interpreters (no jvm, clr, etc) - one file download should be enough to run the application. Full unicode support. Be able to manipulate OS threads (create them, run multiple tasks in parallel on multi-core CPUs, etc). Be reasonably fast (Python level performance and better). To have some kind of standard library that does low-level, mundane tasks. Not very niche and have some community behind it to be able to ask questions. My 'nice to have' requirements are: Language should be functional It should have good string manipulation capabilities (not necessarily regex) Not extremely hard to learn I'm thinking about Haskell now but keeping in mind OCaml as well. Please advice if my choice is correct.

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• how to delete element created with jquery ?!

  - by mehdi

  hi , i have write this block of code in jquery to create three element after some events $('body').append( tmp= $('<div id="tmp"></div>') ); $('<div id="close" />').appendTo("#tmp"); $('<div id="box-results" />').appendTo('#tmp'); this three elements are created normally and added to my DOM but i want to remove them with some function like this : $("#close").click(function(e){ e.preventDefault(); $("#tmp").remove(); //$("#overlay").remove(); }); and after i click close div noting happen ! what's wrong with my code ?

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• Android-USB Connectivity

  - by neoHacker

  Hi all, I'm in the middle of an android app that need to check whether the device is connected to another system or pendrive through usb and if it is connected i need to send a copy of my database file through usb port. This sis for backing up my database. I have no idea how to prompt for usb connections. I searched the net. But no results!.Can anyone please help. Because i'm stuck here at my project. Thanks in advance.

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• How to correctly configure server for Symfony (on shared hosting)?

  - by Eugene

  Hi! I've decided to learn Symfony and right now I am reading through the very start of the "Practical Symfony" book. After reading the "Web Server Configuration" part I have a question. The manual is describing how to correctly configure the server: browser should have access only to web/ and sf/.../ directories. The manual has great instructions regarding this and being a Linux user I had no problem following them and making everything work on my local machine. However that involves editing VirtualHost entries which normally is not easy to do on common shared hosting servers. So I wonder what is the common technique that Symfony developers use to get the same results in shared hosting environment? I think I can do that by adding "deny from all" in the root and then overwriting that rule in the allowed directories. However I am not sure if that's the easiest way and the way that is normally used.

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• jquery.position() isn't working correctly.

  - by devzero

  I'm working on a menu system where I want a ul to show as a dropdown when the users does a mouseOver on li in another ul. I thought I'd use position to set the position of the dropdown (so it actually looks like a menu). What I want is the dropdown's top left corner to start at the same place as the bottom left corner of the wrapping listitem. Unfortunately the positioning fails in several different ways: In Firefox it seems like the dropdown's are offset with approximately -100 25 pixels the first item in the list has a different offset on the left side compared to the other items The offset in IE is not the same as in FF Doing the positioning repeatedly in explorer results in different positions each time. I've created a test page where you can see the effects: http://test.evju.biz/test/test_position.html

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• Pagination - Symfoy

  - by user390426

  Hi I have the following code: public function executeList() { $c = new Criteria(); $c->setLimit(5); $this->latest = ItemPeer::doSelectLatest($c); } Now I'd like to be able to use pagination with this, using sfPropelPager. How could I use that with the code above, making sure It paginates results from the peer method? Thanks EDIT: Got it working: $pager = new sfPropelPager('Item', 10); $pager->setPage($request->getParameter('page', 1)); $pager->setPeerMethod('doSelectLatest'); $pager->init(); $this->pager = $pager; Thanks!

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• C++ code visualization

  - by bobobobo

  A sort of follow up/related question to this. I'm trying to get a grip on a large code base that has hundreds and hundreds of classes and a large inheritance hierarchy. I want to be able to see the "main veins" of the inheritance hierarchy at a glance - not all the "peripheral" classes that only do some very specific / specialized thing. Visual Studio's "View Class Diagram" makes something that looks like a train and its sprawled horizontally across the screen and isn't very organized. You can't grok it easily. I've just tried doxygen and graphviz but the results are .. somewhat similar to Visual Studio. I'm getting sweet looking call graphs but again too much detail for what I'm trying to get. I need a quick way to generate the inheritance hierarchy, in some kind of collapsible view.

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• rbenv not changing ruby version

  - by user1443338

  So i installed rbenv according to the github directions. I am running OSX but i have tried this on a Ubuntu 12.04 VM and got the same results. The following is what i get in my terminal when i try to change ruby versions: rbenv versions * 1.9.3-p0 (set by /Users/user/.rbenv/version) 1.9.3-p125 rbenv global 1.9.3-p0 rbenv rehash ruby -v ruby 1.8.7 (2011-12-28 patchlevel 357) [universal-darwin11.0] which ruby /usr/bin/ruby Anyone have any ideas as to why rbenv isnt actually switching the ruby version like it thinks it is? Aslo there is no .rbenv file in the local directory that would be causing the ruby version to default to 1.8.7 rbenv local rbenv: no local version configured for this directory

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• Using a database/index sequential file independently of the Unix distribution

  - by Helper Method

  What I'm planning to do is a) parse a file for some lines matching a regular expression b) store the match in some sort of database / file so I don't have to do the parsing again and again c) call another program passing the matches as arguments While I can imagine how to do a) and c), I'm a little bit unsure about b). The matches are of the form key:attribute1:attribute2:attribute3 where attribute 2 may be optional. I'm thinking of storing the results in a simple database but the problem is the database needs to available on a number of Unix platform for the program to work. Are there any (simple) databases which can be found on any Unix platforms? Or should I use some sort of index-sequential file?

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• MVC2 JSON action, if I want to be RESTful should I allow GET, POST, or Both?

  - by Yads

  The project I'm currently working has a whole bunch of JSON actions in order to populate cascading dropdowns via ajax calls. Since they're technically Select queries and we're trying to be RESTful, we've been marking these actions with the HttpGet attributes. However by default, JsonResultdoes not allow to return results via a GET. So we've had to explicitly call Json(data, JsonRequestBehavior.AllowGet). What I'm wondering is, is this bad practice? Should we only be allowing Post requests to our Json actions? If it makes a difference, this is an enterprise application, that requires a log in to a particular environment before it can be accessed.

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• When debugging in VS 2008 why does the debugger land on a second return statement?

  - by Hellfire

  When debugging the following console program: class Program { static void Main(string[] args) { Console.WriteLine(DoIt(false)); Console.WriteLine(DoIt(true)); } private static Boolean DoIt(Boolean abort) { try { throw new InvalidOperationException(); } catch(Exception ex) { if (abort) { return true; } Console.WriteLine("Got here"); return false; } } } Why does the IDE land on the second return statement during the second call to DoIt()? The results of the execution is correct but the debugging experience is misleading. Is this a known issue? Is the behavior in VS 2010 the same?

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• How to test my outgoing emails in MS Outlook?

  - by John

  Some people are complaining my html emails are showing up as plain text with html mark ups and others are complaining about unusual characters like 0=D 3=D. They appear to be using MS Outlook. I just installed MS Outlook and configured the imap settings to work with my gmail account. All my emails appear fine. So I suspect I need my MS Outlook to work with an MS Exchange server in order to produce the results my other Outlook recipients are seeing. But I'm not sure how to get access to an MS Exchange server (assuming that is the case). Can anyone recommend how I can reproduce the same email environment as my recipients such that I can get the same bugs they get? Thanks

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