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• configure batch to sent minute info instead of entire stdout

  - by Daniel

  Hi all, I am working on a RedHat server along with several other users. We use the batch utility to set a job queue. Some of the programs that I use write stuff to stdout during the run, with info on who much data has been processed to far and estimated time until completion etc. batch -q z at> myScript -i somefile -o someotherfile By default, the batch util send an email to me (since I configured it using .forward) with the entire output from stdout. Since the scripts writes something to stdout a few times each second, the amount of log-stuff I get from a two-day script can be ˜20 Mbs. Clearly not what I want. I can of course pipe stdout to a file like so batch -q z at> myScript -i somefile -o someotherfile > myscript.stdout.log but then I get a blank e-mail from the util. So to my question: Is it possible to configure batch so that it sends time the job started and ended, or run time or some oth valuable information to me, instead of a 20 Mb mail or a blank mail? Note that the scripts that I use are binaries and I cannot customize the code to output less info in the first place (which would be the optimal solution I guess). Thanks /Daniel

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• How to prepopulate an Outlook MailItem and avoiding a com Exception from the object model guard

  - by torrente

  Hi, I work for a company that develops a CRM tool and offers integration with MS Office(2003 & 2007) from windows XP to 7. (I'm working using Win7) My task is to call an Outlook instance (using C#) from this CRM tool when the user wants to send an email and prepopulate with data of the CRM tool (email, recipient, etc..) All of this already works just fine. The problem I'm having is that Outlook's "object model guard" is throwing com Exception (Operation aborted (Exception from HRESULT: 0x80004004 (E_ABORT))) the moment I try to read a protected value from the mailItem (such as mail.bodyHTML). Example Snippet: using MSOutlook = Microsoft.Office.Interop.Outlook; //untrusted Instance _outlook = new MSOutlook.Application(); MSOutlook.MailItem mail = (MSOutlook.MailItem)_outlook.CreateItem(MSOutlook.OlItemType.olMailItem); //this where the Exception occurs string outlookStdHTMLBody = mail.HTMLBody; I've done quite a bit of reading and know that my Outlook Instance (derived by using new Application) is considered untrusted and therefore the "omg" kicks in. I do have a workaround for development: I'm running VS2010 as Administrator and if I run Outlook as Administrator as well - all is good. I suppose this is due to them having the same integrity levels(high) and the UAC(?) is not complaining. But that just ain't the way to go for deployment. Now the question is: Is there a way to obtain a trusted instance of Outlook so that I can avoid this exception? I've already read that when developing an Office Add-In using VSTO one can obtain a trusted Instance from the OnComplete event and/or using "ThisAddin" But I "merely" want to start an outlook instance and preopulate it, and do not want to develop an Add-In since this is not the requirement. And to make it clear - I have no problem with pop ups informing the user that outlook is being accessed - I just want to get rid of the exception! So how can I get around this problem using code? Any help is highly appreciated! Thomas

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• asp.net mvc cookies not being sent back

  - by brian b

  My application at mysubdomain.mydomain.com needs to set a cookie that contains some user session information. They log in at a https page. We authenticate them and set some session info in a cookie. We do this in a helper library that takes in the controller context contextBase.Response.Cookies[CookiePayload.CookieName].Value = encryptedTicket; contextBase.Response.Cookies[CookiePayload.CookieName].Expires = cookieExpires; contextBase.Response.Cookies[CookiePayload.CookieName].Domain= ConfigHelper.CookieDomain; contextBase.Response.Cookies[CookiePayload.CookieName].HttpOnly=true; We do a quick redirect in the controller (to a non https page): this.ControllerContext.HttpContext.Response.Redirect(redirectTo, false); return null; The cookie appears in the response (according to firebug's net tab). But neither fireforx nor ie send the cookie on subsequent gets. We are setting the cookie domain to mydomain.com even though the site is mysubdomain.mydomain.com. Skipping the redirect command has no effect, nor does changing the cookie value. I'm baffled. Thanks for any suggestions.

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• Posting xml from classic asp to asp.net

  - by Chris Dunaway

  I apologize if this has been asked before. I searched and didn't find anything that matched my situation. Also bear in mind I am fairly new to asp/asp.net development. My current project is a relatively simple e-commerce site. The customer will connect to the site, select products, input shipping and billing information, payment information (credit card) and submit the order. The project is being split into two parts: The store front which includes displaying the items and taking the customer's shipping and billing information and the payment site which will collect the customers credit card, compute tax, and save the order into the company's system. The reason that the site was split up, was that our side (payment side) already has facilities for credit card handling and tax computation. There may also be some regulatory issues that the store front side does not want to deal with (which we already do). I'm working on the payment portion of the app and I am using asp.net. The store front side is being written in classic asp (not my decision). Each part will be hosted on different servers. The problem I am having is transferring the contents of the "shopping cart" to our app so that we can collect the cc info and submit the order. We had thought that the classic asp could somehow post an xml fragment which contains the billing/shipping info and the items selected. Our side would display a summary of the order, securely collect the credit card info, and submit the order to our system. But I have been unable to post or send the xml from a classic asp on one server, to our asp.net application on another. It all works just fine when I test on the same server. How can I post (or otherwise transfer) the shopping cart data from classic asp to asp.net across server boundaries and transfer control to the asp.net application? As I said, I am new to web development, so this is proving quite a challenge for me. Thanks

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• SVN Question regarding branching and third party vendor branching

  - by fritzone

  Hi, We are developing an application which consists of: a source code base given to us by a partner infrequently. This is a somewhat working code, "final" version of something. They have their own release cycle and version tracking. on the code base above we make our changes. These can be either bugfixes or development of new features. Till now, we managed to create some code mayhem, as a result we would like to put all this in a SVN repository. I would like to ask you what you think is the best practice for this to happen with the less pain. The followings are our things that we consider important: We would like to track our bugfixes/changes since we cannot send back bugfixes to our software vendor, but we can report a bug (and they might or might not fix it). All we develop on their code remains "in-house" they are not interested in our changes. As long as we don't get a new codebase from the vendor, we consider their latest version to be the stable one we are working on. This might be branched down further, but the result is always a stable trunk, the build is done based on this "stable" trunk. When the vendor releases a new version we would like to merge our "stable" trunk (which contains a lot of changes) with their changes, thus creating a new "stable" trunk. For each version we deploy (to clients) we should be able later to fix bugs only on that version, for clients who have installed our system using that specific version There are more developers working on the codebase... (as usual :) Thanks a lot for the tips.

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• JACOB (Java/COM/ActiveX) - How to troubleshoot event handling?

  - by Youval Bronicki

  I'm trying to use JACOB to interact with a COM object. I was able to invoke an initialization method on the object (and to get its properties), but am not getting any events back. The code is quoted below. I have a sample HTML+Javascript page (running in IE) that successfully receives events from the same object. I'm considering the following options, but would appreciate any concrete troubleshooting ideas ... Send my Java program to the team who developed the COM object, and have them look for anything suspicious on their side (does the object have a way on knowing whether there's a client listening to its events, and whether they were successfully delivered?) Get into the native parts of JACOB and try to debug on that side. That's a little scary given that my C++ is rusty and that I've never programmed for Windows. public static void main(String[] args) { try { ActiveXComponent c = new ActiveXComponent( "CLSID:{********-****-****-****-************}"); // My object's clsid if (c != null) { System.out.println("Version:"+c.getProperty("Version")); InvocationProxy proxy = new InvocationProxy() { @Override public Variant invoke(String methodName, Variant[] targetParameters) { System.out.println("*** Event ***: " + methodName); return null; } }; DispatchEvents de = new DispatchEvents((Dispatch) c.getObject(), proxy); c.invoke("Init", new Variant[] { new Variant(10), //param1 new Variant(2), //param2 }); System.out.println("Wating for events ..."); Thread.sleep(60000); // 60 seconds is long enough System.out.println("Cleaning up ..."); c.safeRelease(); } } catch (Exception e) { e.printStackTrace(); } finally { ComThread.Release(); } }

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• How to actually query Chinese address in Googlemap API geocoding??

  - by Robert

  I'm following the demo code from article of phpsqlgeocode.html In the db, I inserted some Chinese addresses, which is utf8 encode. I found after urlencode the Chinese address, the output of the address will be wrong.Like this one: http://maps.google.com.tw/maps/geo?output=csv&key=ABQIAAAAfG3KxFZXjEslq8VNxMBpKRR08snBovzCxLQZ9DWwpnzxH-ROPxSAS9Q36m-6OOy0qlwTL6Ht9qp87w&q=%3F%3F%3F%3F%3F%3F%3F%3F%3F132%3F Then output(can't query from php, it have to test as browser url link), 200,5,59.3266963,18.2733433 Whose address is actually located in Taichung Taiwan, but turn out to in Sweden Europe. But when I paste the Chinese address(such as ???????? ?131?56?58?60?) in the url, the result turn out to be fine!!! So my question is how to make sure it send out the original Chiness address?? how to prevent urlencode()??? I found take urlencode() away not change anything. (I've change the MAPS_HOST from maps.google.com to maps.google.com.tw.) (I'm sure my key is right, and other English address geocoding are fine.) Thanks!!

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• Jackson object mapping - map incoming JSON field to protected property in base class

  - by Pete

  We use Jersey/Jackson for our REST application. Incoming JSON strings get mapped to the @Entity objects in the backend by Jackson to be persisted. The problem arises from the base class that we use for all entities. It has a protected id property, which we want to exchange via REST as well so that when we send an object that has dependencies, hibernate will automatically fetch these dependencies by their ids. Howevery, Jackson does not access the setter, even if we override it in the subclass to be public. We also tried using @JsonSetter but to no avail. Probably Jackson just looks at the base class and sees ID is not accessible so it skips setting it... @MappedSuperclass public abstract class AbstractPersistable<PK extends Serializable> implements Persistable<PK> { @Id @GeneratedValue(strategy = GenerationType.AUTO) private PK id; public PK getId() { return id; } protected void setId(final PK id) { this.id = id; } Subclasses: public class A extends AbstractPersistable<Long> { private String name; } public class B extends AbstractPersistable<Long> { private A a; private int value; // getter, setter // make base class setter accessible @Override @JsonSetter("id") public void setId(Long id) { super.setId(id); } } Now if there are some As in our database and we want to create a new B via the REST resource: @POST @Consumes(MediaType.APPLICATION_JSON) @Produces(MediaType.APPLICATION_JSON) @Transactional public Response create(B b) { if (b.getA().getId() == null) cry(); } with a JSON String like this {"a":{"id":"1","name":"foo"},"value":"123"}. The incoming B will have the A reference but without an ID. Is there any way to tell Jackson to either ignore the base class setter or tell it to use the subclass setter instead? I've just found out about @JsonTypeInfo but I'm not sure this is what I need or how to use it. Thanks for any help!

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• Selenium RC throws sessionsid should not be null exception with assertTextPresent, phpunit 3.4 bug o

  - by user342775

  I am looking to migrate my selenium RC tests to using PHPUnit 3.4.12 from PHPUnit 3.3.2 The selenium test will fail with an exception of the following when I use assertTextPresent() PHPUnit_Framework_Exception: Response from Selenium RC server for getLocation(). ERROR Server Exception: sessionId should not be null; has this session been started yet?. For example: public function testSending($browser) { ... $browser->click("send"); $browser->waitForPageToLoad("30000"); $browser->assertTextPresent("text"); } Below is the selenium RC log (running on Windows): 15:40:19.676 INFO - Command request: isTextPresent[text, ] on session 153d03a123c42098711994f43c2db34 15:40:19.691 INFO - Got result: OK,false on session 153d023a123c42098711994f43cdb34 15:40:19.879 INFO - Command request: testComplete[, ] on session 153d023a123c4298711994f43c2db34 15:40:19.879 INFO - Killing Firefox... 15:40:20.269 INFO - Got result: OK on session 153d023a123c42098711994f43c2db34 15:40:20.472 INFO - Command request: getLocation[, ] on session null 15:40:20.472 ERROR - Exception running 'getLocation 'command on session null java.lang.NullPointerException: sessionId should not be null; has this session been started yet? As you can see, the test should have completed as indicated by the "Killing Firefox" bit, but it instead continued to do something else and triggered the getLocation[, ] command which caused the exception. I have tried the same test with PHPUnit 3.3.2 which did not produce this problem - the test would happily end without the getLocation(). Any ideas? thanks

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• Format date from SQLCE to display in DataGridView

  - by Ruben Trancoso

  hi folks, I have a DataGridView bound to a table from a .sdf database through a BindSource. The date column display dates like "d/M/yyyy HH:mm:ss". e.: "27/2/1971 00:00:00". I want to make it display just "27/02/1971" in its place. I tried to apply DataGridViewCellStyle {format=dd/MM/yyyy} but nothing happens, event with other pre-built formats. On the the other side, there's a Form with a MasketTextBox with a "dd/MM/yyyy" mask to its input that is bound to the same column and uses a Parse and a Format event handler before display and send it to the db. Binding dataNascimentoBinding = new Binding("Text", this.source, "Nascimento", true); dataNascimentoBinding.Format += new ConvertEventHandler(Util.formatDateConvertEventHandler); dataNascimentoBinding.Parse += new ConvertEventHandler(Util.parseDateConvertEventHandler); this.dataNascimentoTxt.DataBindings.Add(dataNascimentoBinding); public static string convertDateString2DateString(string dateString, string inputFormat, string outputFormat ) { DateTime date = DateTime.ParseExact(dateString, inputFormat, DateTimeFormatInfo.InvariantInfo); return String.Format("{0:" + outputFormat + "}", date); } public static void formatDateConvertEventHandler(object sender, ConvertEventArgs e) { if (e.DesiredType != typeof(string)) return; if (e.Value.GetType() != typeof(string)) return; String dateString = (string)e.Value; e.Value = convertDateString2DateString(dateString, "d/M/yyyy HH:mm:ss", "dd/MM/yyyy"); } public static void parseDateConvertEventHandler(object sender, ConvertEventArgs e) { if (e.DesiredType != typeof(string)) return; if (e.Value.GetType() != typeof(string)) return; string value = (string)e.Value; try { e.Value = DateTime.ParseExact(value, "dd/MM/yyyy", DateTimeFormatInfo.InvariantInfo); } catch { return; } } Like you can see by the code it was expexted that Date coming from SQL would be a DateTime value as is its column, but my eventHandler is receiving a string instead. Likewise, the result date for parse should be a datetime but its a string also. I'm puzzled dealing with this datetime column.

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• HTTP requests and Apache modules: Creative attack vectors

  - by pinkgothic

  Slightly unorthodox question here: I'm currently trying to break an Apache with a handful of custom modules. What spawned the testing is that Apache internally forwards requests that it considers too large (e.g. 1 MB trash) to modules hooked in appropriately, forcing them to deal with the garbage data - and lack of handling in the custom modules caused Apache in its entirety to go up in flames. Ouch, ouch, ouch. That particular issue was fortunately fixed, but the question's arisen whether or not there may be other similar vulnerabilities. Right now I have a tool at my disposal that lets me send a raw HTTP request to the server (or rather, raw data through an established TCP connection that could be interpreted as an HTTP request if it followed the form of one, e.g. "GET ...") and I'm trying to come up with other ideas. (TCP-level attacks like Slowloris and Nkiller2 are not my focus at the moment.) Does anyone have a few nice ideas how to confuse the server and/or its modules to the point of self-immolation? Broken UTF-8? (Though I doubt Apache cares about encoding - I imagine it just juggles raw bytes.) Stuff that is only barely too long, followed by a 0-byte, followed by junk? et cetera I don't consider myself a very good tester (I'm doing this by necessity and lack of manpower; I unfortunately don't even have a more than basic grasp of Apache internals that would help me along), which is why I'm hoping for an insightful response or two or three. Maybe some of you have done some similar testing for your own projects? (If stackoverflow is not the right place for this question, I apologise. Not sure where else to put it.)

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• XMLhttpRequest > PHP > XMLhttpRequest

  - by usurper

  Hi guys, I have another question. XMLhttpRequests haunt me. Everything is now in the database but I need this data to update my page on firt page load or reload. The XHR is triggered in JavaScript file which triggers PHP-Script. PHP-Script access MySQL database. But how do I get the fetched records back into my JavaScript for page update. I can not figure it out. First my synchronous XMLhttpRequest: function retrieveRowsDB() { if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.open("GET","retrieveRowData.php", false); xmlhttp.send(null); return xmlhttp.responseText; } Then my PHP-Script: <?php $con = mysql_connect("localhost","root","*************"); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("sadb", $con); $data="SELECT * FROM users ORDER BY rowdata ASC"; if (!mysql_query($data,$con)) { die('Error: ' . mysql_error()); } else { $dbrecords = mysql_query($data,$con); } $rowdata = mysql_fetch_array($dbrecords); return $rowdata; mysql_close($con); ?> What am I missing here? Anyone got a clue?

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• Windows system monitoring and profiling

  - by Aris

  I have several dozen 64-bit Windows 2003 servers in a high performance environment with very bursty system utilization. I am looking for a tool (or tools) to monitor and analyze system performance (eg, CPU utilization, bandwidth, etc). This tool can either query servers from a central location (SNMP) or require installation of a component on each server. It should poll on a 1-second interval. It should be able to generate pretty graphs which show trends over time. As a nice-to-have, it should be able to send out emails or IMs when certain thresholds are exceeded. The tools I have investigated so far, including Solarwinds and PRTG, are not designed to poll this frequently. They seem to be designed for a ~30-second interval. Solarwinds wouldn't go lower than 3-sec, and PRTG chokes at 1-sec. They both default to 1-min. All three tools seem more focused on outage monitoring and reporting than metric collection. Given the bursty nature of our applications, such infrequent polling would result in a very inaccurate picture of performance. I am considering rolling my own solution using perfmon. This would be a lot of work, and seems like reinventing the wheel. Are there any tools out there that meet my needs?

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• Reinterpret a CGImageRef using PyObjC in Python

  - by Michael Rondinelli

  Hi, I'm doing something that's a little complicated to sum up in the title, so please bear with me. I'm writing a Python module that provides an interface to my C++ library, which provides some specialized image manipulation functionality. It would be most convenient to be able to access image buffers as CGImageRefs from Python, so they could be manipulated further using Quartz (using PyObjC, which works well). So I have a C++ function that provides a CGImageRef representation from my own image buffers, like this: CGImageRef CreateCGImageRefForImageBuffer(shared_ptr<ImageBuffer> buffer); I'm using Boost::Python to create my Python bridge. What is the easiest way for me to export this function so that I can use the CGImageRef from Python? Problems: The CGImageRef type can't be exported directly because it is a pointer to an undefined struct. So I could make a wrapper function that wraps it in a PyCObject or something to get it to send the pointer to Python. But then how do I "cast" this object to a CGImageRef from Python? Is there a better way to go about this?

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• Setting Path and Expiration for session cookie in asp.net

  - by Sergej Andrejev

  Anything I have tried didn't work. Currenly I have following code to change asp.net session cookie expiration date and path, but asp doesn't want to listen to me. I sends same cookie in Set-Cookie header two times sometimes, sometimes it sends it's default cookie ignoring path and expiration date, sometimes it sends everything as expected, and sometimes it doesn't send Set-Cookie at all. What should I do. This drives me nuts :( My code in Global.asax protected void Application_PreRequestHandlerExecute(Object sender, EventArgs e) { /// only apply session cookie persistence to requests requiring session information if (Context.Handler is IRequiresSessionState || Context.Handler is IReadOnlySessionState) { var sessionState = ConfigurationManager.GetSection("system.web/sessionState") as SessionStateSection; var cookieName = sessionState != null && !string.IsNullOrEmpty(sessionState.CookieName) ? sessionState.CookieName : "ASP.NET_SessionId"; var timeout = sessionState != null ? sessionState.Timeout : TimeSpan.FromMinutes(20); /// Ensure ASP.NET Session Cookies are accessible throughout the subdomains. if (Request.Cookies[cookieName] != null && Session != null && Session.SessionID != null) { Response.Cookies[cookieName].Value = Session.SessionID; Response.Cookies[cookieName].Path = Request.ApplicationPath; Response.Cookies[cookieName].Expires = DateTime.Now.Add(timeout); } } }

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• Sending hidden fields via POST in iPhone in-app email

  - by Michael

  I'm letting my App's user send email from within the app to share some content on myserver. To do so I need to include a button with two bits of data and I want to use POST to keep it somewhat hidden. I've decided to add an html form using POST and two hidden fields in the email rather, like so: NSString *buttonCode = [NSString stringWithFormat:@"<form method='post' action='http://www.example.com/iphone/nifty.php'> <input type='hidden' name='dataOne' value='%@'> <input type='hidden' name='dataTwo' value='%@'> <input type='submit'value='Submit'></form>",dataOne, dataTwo]; NSString *emailBody = [NSString stringWithFormat: @"<b>%@ - %@</b>\n\n<HR WIDTH=200 SIZE=2 COLOR=#755f0f ALIGN=CENTER>\n Here is a email:<br><br>%@", dateString, timeString, buttonCode]; [picker setMessageBody:emailBody isHTML:YES]; I've confirmed by looking at the raw source of the email that the form is constructed correctly and I've copied and pasted it into a web page and it works. So here is the problem. When I click on the button in the received email (using apple's mail client) the dataOne and dataTwo variables don't get passed to my server. Is there a better way to do this or is the issue with my mail client?

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• cocoa - making a UIImageView class act like a UIButton

  - by Mike

  For some reason that will take too much time to explain, I have to create a UIImageView based class that has some properties of a button. Imagine a class like the UISwitch (no I cannot base my class on the UISwitch) with two states, on and off. WHen the user selects one state, it runs a method like a button that was clicked and the method receives the sender id. I have already the class more or less working. The class is based on UIImageView. I am having difficulties to understand the following. WHen I create a new button I have a line that is like [myButton addTarget:self action:NSSelectorFromString(myMethod) forControlEvents:UIControlEventTouchUpInside]; This line defines a target and an action to run when the button is triggered. I my case I would need something like [myObject addTarget:self action:myMethod ifState:1] //or another thing ifState:2 I have no idea what kind of code I should put on the class to make this work. Remember that as a button the class should send the "sender" information to identify the object which triggered the action... Can you guys, transcendental gurus help? thanks for any help!

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• How to implement a web app with blazeds+java+flex+tomcat?

  - by ARYAD

  Hi, i'm doing a web app in flex blazeds and java, i installed the eclipse plugs for using WTP mixed project, i use the flex's server that uses an emulate of tomcat when i ran my flex service the web app got the datas, everythings is ok. the problem is when i copy the proyect with all files generated by flex in my tomcat or the blazeds's tomcat, it doesn't work, this is becasue i want to implement my app on a server the error is: "(mx.messaging.messages::ErrorMessage)#0 body = (Object)#1 clientId = (null) correlationId = "B425A2A7-7D12-A982-7779-8CCBF669413C" destination = "" extendedData = (null) faultCode = "Client.Error.MessageSend" faultDetail = "Channel.Connect.Failed error NetConnection.Call.Failed: HTTP: Failed: url: 'http://172.16.8.245:8400/IEC-BLAZEDS/messagebroker/amf'" faultString = "Send failed" headers = (Object)#2 messageId = "1CBC6020-0ED8-C4CC-3B77-8CCBF6D6621D" rootCause = (mx.messaging.events::ChannelFaultEvent)#3 bubbles = false cancelable = false channel = (mx.messaging.channels::AMFChannel)#4 authenticated = false channelSets = (Array)#5 [0] (mx.messaging::ChannelSet)#6 authenticated = false channelIds = (Array)#7 [0] "my-amf" channels = (Array)#8 [0] (mx.messaging.channels::AMFChannel)#4 clustered = false connected = false currentChannel = (mx.messaging.channels::AMFChannel)#4 initialDestinationId = (null) messageAgents = (Array)#9 [0] (mx.rpc::AsyncRequest)#10 authenticated = false autoConnect = true channelSet = (mx.messaging::ChannelSet)#6 clientId = (null) connected = false defaultHeaders = (null) destination = "ADEscenario" id = "7D92EDF2-CF62-9545-BA11-8CCBF6691E6B" reconnectAttempts = 0 reconnectInterval = 0 requestTimeout = -1 subtopic = "" connected = false connectTimeout = -1 enableSmallMessages = true endpoint = "http://172.16.8.245:8400/IEC-BLAZEDS/messagebroker/amf" failoverURIs = (Array)#11 id = "my-amf" mpiEnabled = false netConnection = (flash.net::NetConnection)#12 client = (mx.messaging.channels::AMFChannel)#4 connected = false objectEncoding = 3 proxyType = "none" uri = "http://172.16.8.245:8400/IEC-BLAZEDS/messagebroker/amf" piggybackingEnabled = false polling = false pollingEnabled = true pollingInterval = 3000 protocol = "http" reconnecting = false recordMessageSizes = false recordMessageTimes = false requestTimeout = -1 uri = "http://{server.name}:{server.port}/IEC-BLAZEDS/messagebroker/amf" url = "http://{server.name}:{server.port}/IEC-BLAZEDS/messagebroker/amf" useSmallMessages = false channelId = "my-amf" connected = false currentTarget = (mx.messaging.channels::AMFChannel)#4 eventPhase = 2 faultCode = "Channel.Connect.Failed" faultDetail = "NetConnection.Call.Failed: HTTP: Failed: url: 'http://172.16.8.245:8400/IEC-BLAZEDS/messagebroker/amf'" faultString = "error" reconnecting = false rejected = false rootCause = (Object)#13 code = "NetConnection.Call.Failed" description = "HTTP: Failed" details = "http://172.16.8.245:8400/IEC-BLAZEDS/messagebroker/amf" level = "error" target = (mx.messaging.channels::AMFChannel)#4 type = "channelFault" timestamp = 0 timeToLive = 0" i don't know why tomcat doesn't find the class of flex.messaging.endpoints.AMFEndpoint that is used for my-amf 'http://172.16.8.245:8400/IEC-BLAZEDS/messagebroker/amf'. all works well in the emulated server that flex has.

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• Problem with non blocking fifo in bash

  - by timdel

  Hi! I'm running a few Team Fortress 2 servers and I want to write a little management script. Basically the TF2 servers are a fg process which provides a server console, so I can start the server, type status and get an answer from it: ***@purple:~/tf2$ ./start_server_testing Auto detecting CPU Using AMD Optimised binary. Server will auto-restart if there is a crash. Console initialized. [bla bla bla] Connection to Steam servers successful. VAC secure mode is activated. status hostname: Team Fortress version : 1.0.6.1/15 3883 secure udp/ip : ***.***.133.31:27600 map : ctf_2fort at: 0 x, 0 y, 0 z players : 0 (2 max) # userid name uniqueid connected ping loss state adr Great, now I want to create a script which sends the command sm_reloadadmins to all my servers. The best way I found to do this is using a fifo named pipe. Now what I want to do is having this pipe readonly and non blocking to the server process, so I can write into the pipe and the server executes it, but still I want to write via console one the server, so if I switch back to the fg process of the server and I type status I want an answer printed. I tried this (assuming serverfifo is mkfifo serverfifo): ./start_server_testing < serverfifo Not working, the server won't start until something is written to the pipe. ./start_server_testing <> serverfifo Thats actually working pretty good, I can see the console output of the server and I can write to the fifo and the server executes the commands, but I can't write via console to the server anymore. Also, if I write 'exit' to the pipe (which should end the server) and I'm running it in a screen the screen window is getting killed for some reason (wtf why?). I only need the server to read the fifo without blocking AND all my keyboard input on the server itself should be send to the server AND all server ouput should be written to the console. Is that possible? If yes, how?

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• Unhandled Status Event (facebook application)

  - by Fahim Akhter

  Hi, I'm getting the following error looked around couldn't find a resultion to it. I'm working on Facebook btw with flash. Warning: AllowScriptAccess='never' found in HTML. This setting is ineffective and deprecated. See http://www.adobe.com/go/allowscriptaccess for details. One of your LocalConnection variables was able to connect say: calling callFBJS a329775198094_sendShoeNumber args ["test"] say: sending to _swf416624 method: asMethod args ["10"] Error #2044: Unhandled StatusEvent:. level=error, code= This is the code I am using: var connection:LocalConnection = new LocalConnection(); var connectionName:String = LoaderInfo(this.root.loaderInfo).parameters.fb_local_connection; // Used to get information from javascript connection.allowDomain("*"); connection.client = { asMethod: function(paramOne:Number) { trace("HAVE RECIEVED SOMETHING : "+paramOne); } }; // To call the javascript function callFBJS(methodName:String, parameters:Array):void { if (connectionNameOne) { connectionOne.send(connectionNameOne, "callFBJS", methodName,parameters); } } callFBJS("sendShoeNumber", ["test"]); connection.addEventListener(StatusEvent.STATUS, testStatus); // Listener for status event function testStatus(event:StatusEvent):void { switch (event.level) { case "status": trace("One of your LocalConnection variables was able to connect"); break; case "error": trace("One of your LocalConnection variables FAILED to connect"); break; } } Have been stuck on this for a while now.

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• Chunked responses in libevent2

  - by Sri

  Hi I am trying to do a chunked response (of large files) in libevent this way:: evhttp_send_reply_start(request, HTTP_OK, "OK"); int fd = open("filename", O_RDONLY); size_t fileSize = <get_file_size>; struct evbuffer *databuff = NULL; for (off_t offset = 0;offset < fileSize;) { databuff = evbuffer_new(); size_t bytesLeft = fileSize - offset; size_t bytesToRead = bytesLeft > MAX_READ_SIZE ? MAX_READ_SIZE : bytesLeft; evbuffer_add_file(databuff, fd, offset, bytesToRead); offset += bytesToRead; evhttp_send_reply_chunk(request, databuff); // send it evbuffer_free(databuff); // destroy it } evhttp_send_reply_end(request); fclose(fptr); Problem is with this I have a feeling the add_file is asynchronous so the 3rd or so evhttp_send_reply_chunk gives me an error (or something similar): [warn] evhttp_send_chain Closed(45): Bad file descriptor I set MAX_READ_SIZE to be 8 to actually test out chunked transfer encoding. I noticed there was a evhttp_request_set_chunked_cb (struct evhttp_request *, void(*cb)(struct evhttp_request *, void *)) method I could use but could not find any examples on how to use. For instance, how could I pass an argument to the callback? The argument seems to be the same argument that was passed to the request handler which is not what I want, because I want to create an object that holds the file descriptor and the file offset I am sending out. Appreciate all help. Thanks in advance Sri

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• Autodetect timezone in Rails given UTC offset and DST

  - by Jose

  I basically want to autodetect a user's timezone using Rails. I can use this JS code at the user's browser (http://www.onlineaspect.com/2007/06/08/auto-detect-a-time-zone-with-javascript/) to send a form with the UTC offset and the fact that the time zone observes DST during summer or not, in the user's time zone. Once I have that info in the server, I want to select the matching time zone. In Rails, I can get a list of time zones with ActiveSupport::TimeZone.all. Also, I can filter zones by utf offset thanks to the utc_offset method. However, I don't know how to filter the timezones that do/don't observe DST. E.g. suppose a user lives in Amsterdam. Filtering by UTC offset will return Berlin, Belgrado, Madrid, etc timezones, as well as West Central Africa. All of them, but West Central Africa, would be appropriate timezones for a user in Amsterdam (as they provide the same time/date), but I need to filter West Central Africa, which does not perform DST in summer. How can I do this in Rails? Also, are any of my assumptions wrong?

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• C# - update variable based upon results from backgroundworker

  - by Bruce

  I've got a C# program that talks to an instrument (spectrum analyzer) over a network. I need to be able to change a large number of parameters in the instrument and read them back into my program. I want to use backgroundworker to do the actual talking to the instrument so that UI performance doesn't suffer. The way this works is - 1) send command to the instrument with new parameter value, 2) read parameter back from the instrument so I can see what actually happened (for example, I try to set the center frequency above the max that the instrument will handle and it tells me what it will actually handle), and 3) update a program variable with the actual value received from the instrument. Because there are quite a few parameters to be updated I'd like to use a generic routine. The part I can't seem to get my brain around is updating the variable in my code with what comes back from the instrument via backgroundworker. If I used a separate RunWorkerCompleted event for each parameter I could hardwire the update directly to the variable. I'd like to come up with a way of using a single routine that's capable of updating any of the variables. All I can come up with is passing a reference number (different for each parameter) and using a switch statement in the RunWorkerCompleted handler to direct the result. There has to be a better way. Thanks for your help.

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• jQuery Validation Plugin: Invoke errorPlacement function when onfocusout, keyup and click

  - by th3hamburgler

  Hi, I am using the jquery validation plugin and want to use the errorPlacement function to add error messages to the fields title attribute and display just a ? next to the field. This works great when the form is submitted with the submit button but when any of the following events are triggered: - onfocusout - click - onkeyup The validation checks are run but it skips the errorPlacement function and adds the full error message after the field, like the default behaviour. I am using the following code: $("#send-mail").validate({ debug: true, // set this class to error-labels to indicate valid fields success: function(label) { // set text as tick label.html("&#10004;").addClass("valid"); }, // the errorPlacement has to take the table layout into account errorPlacement: function(error, element) { console.log("errorPlacement called for "+element.attr("name")+" field"); // check for blank/success error if(error.text() == "") { // remove field title/error message from element element.attr("title", ""); console.log("error check passed"); } else { // get error message var message = error.text(); // set as element title element.attr("title", message); // clear error html and add cross glyph error.html("&#10008;"); console.log("error check failed: "+message); } // add error label after form element error.insertAfter(element); }, ignoreTitle: true, errorClass: "invalid" });

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• How to exploit Diffie-hellman to perform a man in the middle attack

  - by jfisk

  Im doing a project where Alice and Bob send each other messages using the Diffie-Hellman key-exchange. What is throwing me for a loop is how to incorporate the certificate they are using in this so i can obtain their secret messages. From what I understand about MIM attakcs, the MIM acts as an imposter as seen on this diagram: Below are the details for my project. I understand that they both have g and p agreed upon before communicating, but how would I be able to implement this with they both having a certificate to verify their signatures? Alice prepares ?signA(NA, Bob), pkA, certA? where signA is the digital signature algorithm used by Alice, “Bob” is Bob’s name, pkA is the public-key of Alice which equals gx mod p encoded according to X.509 for a fixed g, p as specified in the Diffie-Hellman key- exchange and certA is the certificate of Alice that contains Alice’s public-key that verifies the signature; Finally, NA is a nonce (random string) that is 8 bytes long. Bob checks Alice's signature, and response with ?signB{NA,NB,Alice},pkB,certB?. Alice gets the message she checks her nonce NA and calculates the joint key based on pkA, pkB according to the Diffie-Hellman key exchange. Then Alice submits the message ?signA{NA,NB,Bob},EK(MA),certA? to Bob and Bobrespondswith?SignB{NA,NB,Alice},EK(MB),certB?. where MA and MB are their corresponding secret messages.

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