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• CNAME - how will the url be in the http request

  - by Traveller

  A newbie question regarding dns records Let's say I've configured, abc.example.com - A 10.x.x.x and a CNAME for xyz.example.com CNAME for xyz.example.com - abc.example.com when a user does an http request for xyz.example.com what happens when the request reach the 10.x.x.x server. Will the URL be abc.example.com or xyz.example.com? (trying to find out if virtual host in apache need to be updated) Thanks much

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• How to log size of cookies in request header with apache

  - by chrisst

  We have an issue on our site with cookies growing too large. We have already expanded the acceptable header size and throttled the cookie sizes for now, but I'd like to figure out what the average client's header sizes are, specifically of the cookies. I've created an apache log that captures the cookies being set on each request: LogFormat "%{Cookie}i" cookies But this just spits out the entire contents of all cookies in the header. Is there a way to have apache just log the size (or just length of the string) per request?

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• Only Execute Code on Certain Requests Java

  - by BillPull

  I am building a little API for class and the teacher supplied us with a link to a tutorial that provided a simple webserver that implements Runnable. I have already written some code that will parse arguments the arguments ( or at least get me the request string ) and some code that will return some simple xml. however I think certain requests like the one for the favicon are sent I think it is messing up my code. I wrapped that in an if else but it does not seem to be working. package server; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.Socket; import java.util.*; import java.io.*; import java.net.*; import parkinglots.*; public class WorkerRunnable implements Runnable{ protected Socket clientSocket = null; protected String serverText = null; public WorkerRunnable(Socket clientSocket, String serverText) { this.clientSocket = clientSocket; this.serverText = serverText; } public Boolean authenticateAPI(String key){ //Authenticate Key against Stored Keys //TODO: Create Stored Keys and Compare return true; } public void run() { try { InputStream input = clientSocket.getInputStream(); OutputStream output = clientSocket.getOutputStream(); long time = System.currentTimeMillis(); //TODO: Parse args and output different formats and Authentication //Parse URL Arguments BufferedReader in = new BufferedReader( new InputStreamReader(clientSocket.getInputStream(), "8859_1")); String request = in.readLine(); //Server gets Favicon Request so skip that and goto args System.out.println(request); if ( request != "GET /favicon.ico HTTP/1.1" && request != "GET / HTTP/1.1" && request != null ){ String format = "", apikey =""; System.out.println("I am Here"); String request_location = request.split(" ")[1]; String request_args = request_location.replace("/",""); request_args = request_args.replace("?",""); String[] queries = request_args.split("&"); System.out.println(queries[0]); for ( int i = 0; i < queries.length; i++ ){ if( queries[i] == "format" ){ format = queries[i].split("=")[1]; } else if( queries[i] == "apikey" ){ apikey = queries[i].split("=")[1]; } } if( apikey == "" ){ apikey = "None"; } if( format == "" ){ format = "xml"; } Boolean auth = authenticateAPI(apikey); if ( auth ){ if ( format == "xml"){ // Retrieve XML Document String xml = LotFromDB.getParkingLotXML(); output.write((xml).getBytes()); }else{ //Retrieve JSON String json = LotFromDB.getParkingLotJSON(); output.write((json).getBytes()); } }else{ output.write(("Access Denied - User is Not Authenticated").getBytes()); } }else{ output.write(("Access Denied Must Pass API Key").getBytes()); } output.close(); input.close(); System.out.println("Request processed: " + time); } catch (IOException e) { //report exceptions e.printStackTrace(); } } } Console output I get I am Here format=json Request processed: 1333516648331 GET /favicon.ico HTTP/1.1 I am Here favicon.ico Request processed: 1333516648332 It always returns the XML as well. This is my first exposure to writing a web server and dealing with networking in Java, which frustrates me a lot in general, So any suggestions here are very appreciated.

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• How to make Unity's Dash save the results filtering?

  - by Vagrant232

  The dash can remember the settings for filtered results for the entire session, but not beyond that. Once the profile is logged out and back in the results would reset to their original settings; displaying all the results without filtering. How can I make the results filtering more permanent? IE: How to make the photo lens for instance always show photos from "This Computer" and not from Picasa or Facebook across sessions and not just temporarily?

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• Update JQuery Progressbar with JSON Response in an ajax Request

  - by Vincent

  All, I have an AJAX request, which makes a JSON request to a server, to get the sync status. The JSON Request and responses are as under: I want to display a JQuery UI progressbar and update the progressbar status, as per the percentage returned in the getStatus JSON response. If the status is "insync", then the progressbar should not appear and a message should be displayed instead. Ex: "Server is in Sync". How can I do this? //JSON Request to getStatus { "header": { "type": "request" }, "payload": [ { "data": null, "header": { "action": "load", } } ] } //JSON Response of getStatus (When status not 100%) { "header": { "type": "response", "result": 400 }, "payload": [ { "header": { "result": 400 }, "data": { "status": "pending", "percent": 20 } } ] } //JSON Response of getStatus (When percent is 100%) { "header": { "type": "response", "result": 400 }, "payload": [ { "header": { "result": 400 }, "data": { "status": "insync" } } ] }

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• URL filtering for UIWebView on the iPhone

  - by Zac Altman

  Can someone please shed some light on how I would get this to work: http://www.icab.de/blog/2009/08/18/url-filtering-with-uiwebview-on-the-iphone/ I tried making the "FilteredWebCache.h" and "FilteredWebCache.m" files in my project, but it said that "FilterManager.h" did not exist. What am I meant to do with those files? This I put in viewDidLoad: NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *docDir = [paths objectAtIndex:0]; NSString *path = docDir; // the path to the cache file NSUInteger discCapacity = 10*1024*1024; NSUInteger memoryCapacity = 512*1024; FilteredWebCache *cache = [[FilteredWebCache alloc] initWithMemoryCapacity:memoryCapacity diskCapacity:discCapacity diskPath:path]; [NSURLCache setSharedURLCache:cache]; [cache release];

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• Wincap capture filtering expression syntax

  - by cpx

  How would specify a syntax for filtering tcp server port with its ip address? const char *packet_filter = "tcp src port 2054"; bpf_u_int32 netmask; bpf_program fcode; if (d->addresses != NULL) /* Retrieve the mask of the first address of the interface */ netmask=((struct sockaddr_in *)(d->addresses->netmask))->sin_addr.S_un.S_addr; else /* If the interface is without an address we suppose to be in a C class network */ netmask=0xffffff; //compile the filter if (pcap_compile(adhandle, &fcode, packet_filter, 1, netmask) < 0) { fprintf(stderr,"\nUnable to compile the packet filter. Check the syntax.\n"); /* Free the device list */ pcap_freealldevs(alldevs); return -1; } //set the filter if (pcap_setfilter(adhandle, &fcode) < 0) { fprintf(stderr,"\nError setting the filter.\n"); /* Free the device list */ pcap_freealldevs(alldevs); return -1; }

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• How to fix Jersey POST request parameters warning?

  - by Brabster

  I'm building a very simple REST API using Jersey, and I've got a warning in my log files that I'm not sure about. WARNING: A servlet POST request, to the URI http://myserver/mycontext/myapi/users/12345?action=delete, contains form parameters in the request body but the request body has been consumed by the servlet or a servlet filter accessing the request parameters. Only resource methods using @FormParam will work as expected. Resource methods consuming the request body by other means will not work as expected. My webapp only has the Jersey servlet defined, mapped to /myapi/* How can I stop these warnings?

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• jquery autocomplete filtering

  - by eidylon

  Hello all, I have a page, which uses jQuery Autocomplete on the second two textboxes (investigator and institution). It is getting the data fine, and displaying it, but for some reason it is not filtering the list of data as i continue to type. Anyone know why? Is there something i need to do to turn this on? According to the jQuery site, the only options to the autocomplete initializer are delay, minLength and source. Thanks in advance! I'm using jQ v1.4.1 and jQui v.1.8rc1. Below is the code which I am calling on $(document).ready(). function hookUpAutoCompletes() { $('table#params input[name=sinvestigator]').autocomplete({ source: "json-investigators.asp", minLength: 2 }) $('table#params input[name=sinstitution]').autocomplete({ source: "json-institutions.asp", minLength: 2 }) }

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• Filtering MySQL query result according to a interval of timestamp

  - by celalo

  Let's say I have a very large MySQL table with a timestamp field. So I want to filter out some of the results not to have too many rows because I am going to print them. Let's say the timestamps are increasing as the number of rows increase and they are like every one minute on average. (Does not necessarily to be exactly once every minute, ex: 2010-06-07 03:55:14, 2010-06-07 03:56:23, 2010-06-07 03:57:01, 2010-06-07 03:57:51, 2010-06-07 03:59:21 ...) As I mentioned earlier I want to filter out some of the records, I do not have specific rule to do that, but I was thinking to filter out the rows according to the timestamp interval. After I achieve filtering I want to have a result set which has a certain amount of minutes between timestamps on average (ex: 2010-06-07 03:20:14, 2010-06-07 03:29:23, 2010-06-07 03:38:01, 2010-06-07 03:49:51, 2010-06-07 03:59:21 ...) Last but not least, the operation should not take incredible amount of time, I need this functionality to be almost fast as a normal select operation. Do you have any suggestions?

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• How to cancel/abort jquery ajax request

  - by user556673

  I've an ajax request which will happen in every 5 seconds. But the problem is before the ajax request if the previous request is not completed I've to abort that request and make a new request. My code is something like this, how to resolve this issue? $(document).ready( var fn = function(){ $.ajax({ url: 'ajax/progress.ftl', success: function(data) { //do something } }); }; var interval = setInterval(fn, 500); ); Thank you.

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• Filtering model results for Django admin select box

  - by blcArmadillo

  I just started playing with Django today and so far am finding it rather difficult to do simple things. What I'm struggling with right now is filtering a list of status types. The StatusTypes model is: class StatusTypes(models.Model): status = models.CharField(max_length=50) type = models.IntegerField() def __unicode__(self): return self.status class Meta: db_table = u'status_types' In one admin page I need all the results where type = 0 and in another I'll need all the results where type = 1 so I can't just limit it from within the model. How would I go about doing this?

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• Django Haystack exact filtering

  - by blackrobot

  I have a haystack search which has the following SearchIndex: class GrantIndex(indexes.SearchIndex): """ This provides the search index for the Grant application. """ text = indexes.CharField(document=True, use_template=True) year = indexes.IntegerField(model_attr='year__year') date = indexes.DateField(model_attr='date') program = indexes.CharField(model_attr='program__area') grantee = indexes.CharField(model_attr='grantee') amount = indexes.IntegerField(model_attr='amount') site.register(Grant, GrantIndex) If I want to search filtering out any programs that ARE NOT 'Health', I run the following query: from haystack.query import SearchQuerySet sqs = SearchQuerySet() sqs = sqs.filter(program='Health') Unfortunately, this also produces objects from the program 'Health\Other' and 'Health\Cardiovascular'. How do I stop the search from allowing those other programs in? I run Ubuntu 9.10 with Xapian as my search back-end.

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• Flex: HTTP request error #2032

  - by alexey

  In Flex 3 application I use HTTPService class to make requests to the server: var http:HTTPService = new HTTPService(); http.method = 'POST'; http.url = hostUrl; http.resultFormat = 'e4x'; http.addEventListener(ResultEvent.RESULT, ...); http.addEventListener(FaultEvent.FAULT, ...); http.send(params); The application has Comet-architecture. So it makes long running requests. While waiting a response for this request, other requests can be made concurrently. The application works in most cases. But sometimes some clients get HTTP request error executing long running request: faultCode:Server.Error.Request faultString:'HTTP request error' faultDetail:'Error: [IOErrorEvent type="ioError" bubbles=false cancelable=false eventPhase=2 text="Error #2032"]. URL: 'http://example.com/ws' I think it depends on user's browser. Any ideas?

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• Filtering A MySQL Result Set Based On The Return Value Of A Function

  - by Joshua

  I'm a SQL noob, and I need a little bit of help understanding the big picture of if it is possible, and if so how to go about filtering a result set based on the return value of a function which is passed one of the fields of the record. Let's say I have a table called "Numbers" with just one field: "Value". How could I correctly specify the following "pseudo-sql"?: SELECT Value FROM numbers WHERE IsPrime(Value)=true Can I accomplish such a thing, and if so, where/how do I put/store "IsPrime"? I'm using MySQL.

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• Objectdatasource and Gridview : Sorting, paging, filtering

  - by Simon

  Hi there, Im using entity framework 1.0 and trying to feed out a Gridview with a objectdatasource that have access to my facade. The problem is, that it seems to be particulary difficult and haven't seen anything that realy do what i want it to do on the internet. For those who know, a gridview feeded with an objectdatasource, it can't sort automaticaly then you must do it manually. It's not that bad. Where it becomes a nightmare, its when we add paging and filter settings to a gridview's datasource. After many hours searching on the internet, i'm asking you, guys, if anyone knows a link that can explain me how to mix Pagging, Sorting and filtering for a gridview and an objectdatasource! Thanks in advance and sorry for my english.

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• .NET CF on Windows CE - problem with filtering system messages

  - by mack369

  Hello, I'm trying to get every windows message that tells that the user has touched the screen. It works everywhere, except the button, when it is disabled. It seems that the application doesn't get any message when clicked on disabled control. I'm using OpenNetCF Application2 class for filtering messages: Application2.AddMessageFilter(Device.PowerManager); Application2.Run(new MainForm()); PowerManager class contains a following method (as required by IMessageFilter interface): public bool PreFilterMessage(ref Microsoft.WindowsCE.Forms.Message m) { log.DebugFormat("windows message {0} - 0x{0:X}", m.Msg); if (m.Msg == 0x0201 || m.Msg == 0x8001 || m.Msg == 0x0005) { return this.ResetPowerManager(); } return false; } in the log file there is no indication of a windows message when clicking on disabled button. I'm wondering how is it possible and how can I get this message.

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• Detect aborted connection during ASIO request

  - by Tim Sylvester

  Is there an established way to determine whether the other end of a TCP connection is closed in the asio framework without sending any data? Using Boost.asio for a server process, if the client times out or otherwise disconnects before the server has responded to a request, the server doesn't find this out until it has finished the request and generated a response to send, when the send immediately generates a connection-aborted error. For some long-running requests, this can lead to clients canceling and retrying over and over, piling up many instances of the same request running in parallel, making them take even longer and "snowballing" into an avalanche that makes the server unusable. Essentially hitting F5 over and over is a denial-of-service attack. Unfortunately I can't start sending a response until the request is complete, so "streaming" the result out is not an option, I need to be able to check at key points during the request processing and stop that processing if the client has given up.

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• SOAPUI Extract data from SOAP Response and use in REST request

  - by Adrian

  I have been looking at the answer to this question: Pulling details from response to new request SoapUI which is similar to what I am looking for but I can't get it to work. I have a small SOAPUI testsuite and I need to extract a value from the response of a SOAP request and then use this value in a subsequent REST request. The response to my SOAP request is: <ns0:session xmlns:ns0="http://www.someurl.com/la/la/v1_0"> <token>AQIC5wM2xAAIwMg==#</token> </ns0:session> so I need the token to use in my REST request. I know it involves using Property Transfer and some XPath / XQuery but I just can't get it right. At the moment my property transfer window points to Source: SOAP test Property: Response and has data(/session/token/text()) in the text box. In target it has Target: REST testcase Property: newProp and I have Use XQuery checked. Any help greatly appreciated. Thanks, Adrian

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• url to http request object

  - by takeshin

  I need to convert string like this: $url = 'module/controller/action/param1/param1value/paramX/paramXvalue'; to url regarding current router (including translation and so on). Usually I generate the target urls using url view helper, but for this I need to specify all params, so I would need to manually explode the string. I tried to use request object, like this: $request = new Zend_Controller_Request_Http(); // some code here passing the $url Zend_Debug::dump($request->getControllerName()); // null instead of 'controllers' Zend_Debug::dump($request->getParams()); // null instead of array but this seems to be suspected. Do I need to dispatch this request? How to handle this case well?

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• How to By Pass Request Validation

  - by GIbboK

  Hi, I have a GridView and I need update some data inserting HTML CODE; I would need this data been stored encoded and decoded on request. I cannot in any way disable globally "Request Validation" and not even at Page Level, so I would need a solution to disable "Request Validation" at Control Level. At the moment I am using a script which should Html.Encode every value being update, butt seems that "Request Validation" start its job before event RowUpdating, so I get the Error "Page A potentially dangerous Request.Form ... ". Any idea how to solve it? Thanks protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e) { foreach (DictionaryEntry entry in e.NewValues) { e.NewValues[entry.Key] = Server.HtmlEncode(entry.Value.ToString()); } PS I USE Wweb Controls not MVC

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• Filtering results and pagination

  - by alj

  I have a template that shows a filter form and below it a list of the result records. I bind the form to the request so that the filter form sets itself to the options the user submitted when the results are returned. I also use pagination. Using the code in the pagination documentation means that when the user clicks for the next page, the form data is lost. What is the best way of dealing with pagination and filtering in this way? Passing the querystring to the paginiation links. Change the pagination links to form buttons and therefore submit the filter form at the same time, but this assumes that the user hasn't messed about with the filter options. As above but with the original data as hidden fields. ALJ

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• ASP.NET request extension type

  - by Krishna

  Hello, I am working on a large web application which I have recently shelved tons of .aspx pages from the project. To avoid page not found error, I added these entities in the xml which came around 300+ in count. I wrote a http module that checks the request url in the xml entities and if they are found, my module is going to redirect the request to respective new pages. Everything works great, but my collection is getting iterated for all the requests, I mean for each and every .jpg, .css, .js, .ico, .pdf etc. Is there any object or property in .net that can tell the type of request that user requested for like HttpContext.request.type. So that I can avoid checking the request for all unwanted file types.

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• Pattern to iterate Request Params

  - by NOOBie

  My view is not a strongly typed view and I need to iterate through Request Params in the controller action to determine the values posted. Is there a better way to iterate through the nameValueCollection AllKeys? I am currently looping through the Request Params and setting values appropriately. foreach (var key in Request.Params.AllKeys) { if (key.Equals("CustomerId")) queryObject.CustomerId = Request.Params[key]; else if (key.Equals("OrderId")) queryObject.OrderId= Request.Params[key]; //and so on } I see a considerable amount of repetition in this code. Is there a better way to handle this?

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• List filtering: list comprehension vs. lambda + filter

  - by Agos

  I happened to find myself having a basic filtering need: I have a list and I have to filter it by an attribute of the items. My code looked like this: list = [i for i in list if i.attribute == value] But then i thought, wouldn't it be better to write it like this? filter(lambda x: x.attribute == value, list) It's more readable, and if needed for performance the lambda could be taken out to gain something. Question is: are there any caveats in using the second way? Any performance difference? Am I missing the Pythonic Way™ entirely and should do it in yet another way (such as using itemgetter instead of the lambda)? Thanks in advance

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