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  • slow pppoe connection using Ubuntu 9.10

    - by Radu
    I have a Compaq Presario CQ61, instaled Ubuntu 9.10 and Windows 7 on it. It works great except the PPPoE connection in Ubuntu, when i dial in Windows my download speed reach up to 91 Mb, rebooted in Ubuntu, downloaded same file from the same server with a speed of maximum 3 Mb, cheked in Windows again 80 - 90 Mb constant. I can't figure what slow's the internet connection in Ubuntu. Anyone has an ideea on this problem ? (NO iptables configured, NO HTB, CBQ ...etc configured) . Thank you

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  • Windows forms application blocks after station lock

    - by Silviu
    We're having a serious issue at work. We've discovered that after the station where the client was running is locked/unlocked the client is blocked. No repaint. So the UI thread is blocked with something. Looking at the callstack of the UI thread (thread 0) using windbg we see that a UserPreferenceChanged event gets raised. It is marshalled through a WindowsFormsSynchronizationContext using it's controlToSend field to the UI. It gets blocked by a call to the marshalling control. The method called is MarshaledInvoke it builds a ThreadMethodEntry entry = new ThreadMethodEntry(caller, method, args, synchronous, executionContext); This entry is supposed to do the magic. The call is a synchronous call and because of that (still in the MarshaledInvoke of the Control class) the wait call is reached: if (!entry.IsCompleted) { this.WaitForWaitHandle(entry.AsyncWaitHandle); } The last thing that i can see on the stack is the WaitOne called on the previously mentioned AsyncWaitHandle. This is very annoying because having just the callstack of the runtime and not one of our methods being invoked we cannot really point to a bug in our code. I might be wrong, but I'm guessing that the marshaling control is not "marshaling" to the ui thread. But another one...i don't really know which one because the other threads are being used by us and are blocked...maybe this is the issue. But none of the other threads are running a message loop. This is very annoying. We had some issues in the past with marshaling controls to the right ui thread. That is because the first form that is constructed is a splash form. Which is not the main form. We used to use the main form to marshal call to the ui thread. But from time to time some calls would go to a non ui thread and some grids would broke with a big red X on them. I fixed this by creating a specific class: public class WindowsFormsSynchronizer { private static readonly WindowsFormsSynchronizationContext = new WindowsFormsSynchronizationContext(); //Methods are following that would build the same interface of the synchronization context. } This class gets build as one of the first objects in the first form being constructed. We've noticed some other strange thing. Looking at the heap there are 7 WindowsFormsSynchronizationContext objects. 6 of these have the same instance of controlToSend, and the other one has some different instance of controlToSend. This last one is the one that should marshal the calls to the UI. I don't have any other idea...maybe some of you guys had this same issue?

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  • slow pppoe connection using Ubuntu 9.10

    - by Radu
    I have a Compaq Presario CQ61, instaled Ubuntu 9.10 and Windows 7 on it. It works great except the PPPoE connection in Ubuntu, when i dial in Windows my download speed reach up to 91 Mb, rebooted in Ubuntu, downloaded same file from the same server with a speed of maximum 3 Mb, cheked in Windows again 80 - 90 Mb constant. I can't figure what slow's the internet connection in Ubuntu. Anyone has an ideea on this problem ? (NO iptables configured, NO HTB, CBQ ...etc configured) . Thank you

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  • Merging Flash animations

    - by Radu
    If I have a Flash project in which there are multiple movie clips animating, each with its own timeline and other embedded movie clips, again, each with its own timeline, how can I merge everything so that I end up with a single timeline and a single layer? If Flash doesn't support this, maybe there's something else out there that can do this? I'm thinking that such a tool would need to calculate the intermediary tween values and somehow create keyframes with those values, then break everything apart and only animate the correct parts from the calculated keyframe values...

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  • install PECL JSON in PHP 5.04

    - by Radu Maris
    It's OK (compatible) to install PECL native JSON (from here) in PHP 5.0.4, on a production server running FC4 where unfortunately I cannot update PHP to at least 5.2 ? If there is a good chance to screw up PHP instalation on the server, I will not try to install it, and I will stick to Service JSON ( http ://svn.php.net/viewvc/pear/packages/Services_JSON/trunk/ ) In documentation ( http ://aurore.net/projects/php-json/ ) I have found: A simple ./configure; make; make install should do the trick. Make sure to add an extension=json.so line to your php.ini/php.d. (but I can't find anythink about compatible versions of PHP) Thank you. (Please don't tell me to update the OS and PHP, beacause it's not my decision :( )

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  • Is it okay to use an administrator account for everyday use if UAC is on?

    - by Valentin Radu
    Since I switched to Windows 7 about 3 years ago, and now using Windows 8.1, I have become familiar with the concept of User Account Control and used my PC the following way: a standard account which I use for every day work and the built-in Administrator account activated and used only to elevate processes when they request so, or to ”Run as administrator” applications when I need to. However, recently after reading more about User Account Control, I started wondering if my way of working is good? Or should I use an administrator account for every day work, since an administrator account is not elevated until requested by apps, or until I request so via the ”Run as administrator” option? I am asking this because I read somewhere that the built-in Administrator account is a true administrator, by which I mean UAC doesn't pop up when logged in within it, and I am scared of not having problems when potential malicious software come into scene. I have to mention that I do not use it on a daily basis, just when I need to elevate some apps. I barely log in into it 10 times a year... So, how's better? Thanks for your answers! And Happy New Year, of course! P.S. I asked this a year ago (:P) and I think I should reiterate it: is an administrator account as safe these days as a standard account coupled with the built-in Administrator account when needed?

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  • How do I open a new browser tab?

    - by Ionut Staicu
    Hi guys. I'm working on this project and I have to open a new browser tab. Actually, I have to open a target="_blank" link without the link. I know is not right to interfere with the user preferences, but hey, this is the project requirements. So, long story short, i have to replicate the target="_blank" behavior only with javascript. Is this even possible? Thanks!

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  • Ipad Magazines App How do they work?

    - by Terente Ionut Alexandru
    How are built the magazines apps? For example Popular Science, Auto Trends and PARIS MATCH I want to build an app like this. But how do these app render the content? How the app knows where is an video, an photo, scroll views and so on? Is there any library to use, and do this easy way or do I need my own engine that renders the content? Is just an webView that loads html5, css and java script or is much more than that?

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  • ID/Class Selector

    - by Ionut Staicu
    Hi. I have some kind of problem with jQuery selectors. Let's say i want to select $('#elementID') but the elementID is a variable. There is any other possiblity to do this other way than var variable = elementID; $('#'+variable) ? I mean without specifying the # anywhere else? Thanks!

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  • MySql Join using 4 tables

    - by Ionut Flavius Pogacian
    I have 4 tables and i want to join them and extarct 4 values. I wrote the followig MySql Query, but it does not work. select `a`.`id`,`a`.`page` xpage,`a`.`action`, `b`.`header` xheader, `b`.`page_id`, `c`.`content` xcontent,`b`.`page_id`, `d`.`footer` xfooter,`d`.`page_id` join `header` b on `a`.`id`=`b`.`page_id` join `content` c on `a`.`id`=`c`.`page_id` and `a`.`id`=`d`.`page_id` join `footer` d on `a`.`id`=`d`.`page_id` where `a`.`page`='main'

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  • Java Socks Proxy Socket Error

    - by Ionut Ungureanu
    I am trying to create a http request through a SOCKS (v4 / v5) proxy in Java. After reading about socks communication protocol on WikiPedia, I have put togheter this piece of code: Socket sock = new Socket(); InetSocketAddress remoteProxyAddress = new InetSocketAddress(proxy ip, proxy port); sock.connect(remoteProxyAddress, connTimeout); InputStream in = sock.getInputStream(); OutputStream out = sock.getOutputStream(); out.write(0x04); out.write(0x01); out.write((endpoint.getPort() >> 8) & 0xff); out.write((endpoint.getPort() >> 0) & 0xff); out.write(endpoint.getAddress().getAddress()); out.write(0x0); out.flush(); And here comes the part where I read from the proxy server. The problem is that the response is always "-1". I have tried the proxy on Firefox and it works perfect. So... the problem is in my app. Can anyone help me? Thanks!

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  • Python having problems writing/reading and testing in a correct format

    - by Ionut
    I’m trying to make a program that will do the following: check if auth_file exists if yes - read file and try to login using data from that file - if data is wrong - request new data if no - request some data and then create the file and fill it with requested data So far: import json import getpass import os import requests filename = ".auth_data" auth_file = os.path.realpath(filename) url = 'http://example.com/api' headers = {'content-type': 'application/json'} def load_auth_file(): try: f = open(auth_file, "r") auth_data = f.read() r = requests.get(url, auth=auth_data, headers=headers) if r.reason == 'OK': return auth_data else: print "Incorrect login..." req_auth() except IOError: f = file(auth_file, "w") f.write(req_auth()) f.close() def req_auth(): user = str(raw_input('Username: ')) password = getpass.getpass('Password: ') auth_data = (user, password) r = requests.get(url, auth=auth_data, headers=headers) if r.reason == 'OK': return user, password elif r.reason == "FORBIDDEN": print "Incorrect login information..." req_auth() return False I have the following problems(understanding and applying the correct way): I can't find a correct way of storing the returned data from req_auth() to auth_file in a format that can be read and used in load_auth file PS: Of course I'm a beginner in Python and I'm sure I have missed some key elements here :(

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  • PHP - Alternatives to runkit for intercepting method calls

    - by Radu
    I have some very test-unfriendly code (to say the least) that I need to test. Refactoring unfortunately is not an option. I have to test the code as it is, without the possibility of changing it. To do that, I was thinking of intercepting function calls and dynamically change what they do so I can run my tests, as I need some functions and methods to return known values, and I need others that make requests, connect to the database, etc, to stop doing that and return what I need them to return. Is there any way to do this without runkit_method_redefine(), which is preferably not "EXPERIMENTAL" and still maintained? Maybe an alternative to runkit? Maybe a better way? Edit: will use PHPUnit's test doubles and PHP 5.3.2's features for making private methods accessible, if I need that functionality.

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  • Delphi - threads and FindFirst function

    - by radu-barbu
    Hi, I'm encountering a big problem when i'm trying to make a recursive search function inside a thread (using delphi 7) bellow is the code: TParcFicDir = class(TThread) private several variables.. protected procedure Execute; override; public constructor Create(CreateSuspended: Boolean); constructor TParcFicDir.Create(CreateSuspended: Boolean); begin inherited Create(CreateSuspended); end; procedure TParcFicDir.Execute; begin try FindFiles(FStartDir,FMask);//'c:\' and '*.*' except on e:Exception do end; end; procedure TParcFicDir.FindFiles(StartDir, FileMask: string); var wTmp : string; f:TextFile; wTempSR:TSearchRec; function Search(StartDir, FileMask: string): string; var SR : TSearchRec; IsFound : Boolean; files : integer; dirs : integer; t : string; begin try files := 0; dirs := 0; if StartDir[length(StartDir)] <> '\' then StartDir := StartDir + '\'; try IsFound := (FindFirst(StartDir + '*.*', faAnyFile, SR) = 0);// here the thread gets interrupted except on e: Exception do end; while IsFound do begin if (SR.Name <> '.') and (SR.Name <> '..') then if ((SR.Attr and faDirectory) <> 0) then if FScanDirs then begin inc(dirs); t := Search(StartDir + SR.Name, FileMask); try files := files + strtoint(copy((t), 0, pos('#', t) - 1));//old code, don't take on calcul; Delete(t, 1, pos('#', t)); dirs := dirs + strtoint(t); except on e: Exception do end; begin t := StartDir + SR.Name; wTmp := t; wtmp := ''; Inc(FDirNo); writeln(f,t); inc(filno); end; end else if ScanFiles then begin inc(filno); inc(files); end; IsFound := FindNext(SR) = 0; end; Result := IntToStr(files) + '#' + IntToStr(dirs); sysutils.FindClose(SR); except on e: Exception do end; end; begin filno := 0; try try if trim(FPathFileTmp)<>'' then AssignFile(f, FPathFileTmp+'Temp.bak') else AssignFile(f,ExtractFileDir(GetDllName)+'\Temp.bak'); Rewrite(f); Search(StartDir, FileMask); if StartDir[length(StartDir)] = '\' then delete(StartDir, length(StartDir), 1); wTmp := StartDir; wTmp := ''; if FindFirst(StartDir, faDirectory, wTempSR) = 0 then writeln(f); writeln(f); CloseFile(f); except on e: Exception do end; finally end; end; ok, probably the code is a little messed up, but i don't understand why the thread ends at 'findfirst' part....i googled it, no results. any help will be appreciated! Thanks in advance

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  • MVC2 Client-Side Validation for injected Ajax content

    - by radu-negrila
    Hi, I am making an Ajax call and adding content to a form inside a MVC2 app. I need to update the Client Validation Metadata with the validation for my new content. <script type="text/javascript"> //<![CDATA[ if (!window.mvcClientValidationMetadata) { window.mvcClientValidationMetadata = []; } window.mvcClientValidationMetadata.push({"Fields":[{" ... </script> Is there a way to generate this metadata for a partial view ? Thanks in advance.

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  • javascript class calling XMLHttpRequest internally, then handling onreadystatechange

    - by Radu M
    this thing almost works: function myClass(url) { this.source = url; this.rq = null; this.someOtherProperty = "hello"; // open connection to the ajax server this.start = function() { if (window.XMLHttpRequest) { this.rq = new XMLHttpRequest(); if (this.rq.overrideMimeType) this.rq.overrideMimeType("text/xml"); } else this.rq = new ActiveXObject("Microsoft.XMLHTTP"); try { this.rq.onreadystatechange = connectionEvent; this.rq.open("GET", this.source, true); this.rq.send(null); this.state = 1; } catch (err) { // some error handler here } } function connectionEvent() { alert("i'm here"); alert("this doesnt work: " + this.someOtherProperty); } } // myClass so it's nothing more than having the XMLHttpRequest object as a member of my class, instead of globally defined, and invoking it in the traditional way. however, inside my connectionEvent callback function, the meaning of "this" is lost, even though the function itself is scoped inside myClass. i also made sure that the object that i instantiate from myClass is kept alive long enough (declared global in the script). in all the examples of using javascript classes that i saw, "this" was still available inside the inner functions. for me, it is not, even if i take my function outside and make it a myClass.prototype.connectionEvent. what am i doing wrong? thank you.

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  • How can a data ellipse be superimposed on a ggplot2 scatterplot?

    - by Radu
    Hi, I have an R function which produces 95% confidence ellipses for scatterplots. The output looks like this, having a default of 50 points for each ellipse (50 rows): [,1] [,2] [1,] 0.097733810 0.044957994 [2,] 0.084433494 0.050337990 [3,] 0.069746783 0.054891438 I would like to superimpose a number of such ellipses for each level of a factor called 'site' on a ggplot2 scatterplot, produced from this command: > plat1 <- ggplot(mapping=aes(shape=site, size=geom), shape=factor(site)); plat1 + geom_point(aes(x=PC1.1,y=PC2.1)) This is run on a dataset, called dflat which looks like this: site geom PC1.1 PC2.1 PC3.1 PC1.2 PC2.2 1 Buhlen 1259.5649 -0.0387975838 -0.022889782 0.01355317 0.008705276 0.02441577 2 Buhlen 653.6607 -0.0009398704 -0.013076251 0.02898955 -0.001345149 0.03133990 The result is fine, but when I try to add the ellipse (let's say for this one site, called "Buhlen"): > plat1 + geom_point(aes(x=PC1.1,y=PC2.1)) + geom_path(data=subset(dflat, site="Buhlen"),mapping=aes(x=ELLI(PC1.1,PC2.1)[,1],y=ELLI(PC1.1,PC2.1)[,2])) I get an error message: "Error in data.frame(x = c(0.0977338099339815, 0.0844334944904515, 0.0697467834016782, : arguments imply differing number of rows: 50, 211 I've managed to fix this in the past, but I cannot remember how. It seems that geom_path is relying on the same points rather than plotting new ones. Any help would be appreciated.

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  • Asp.Net WriteSubsitution vs PartialView - the right way

    - by radu-negrila
    Hi, I have a partial view that should not be cached in a output cached MVC view. Usually you write non-cached content by using Response.WriteSubstitution. The problem is that WriteSubstitution takes as a parameter a HttpResponseSubstitutionCallback callback which looks like this: public delegate string HttpResponseSubstitutionCallback(System.Web.HttpContext context) This is where things get complicated since there is no easy/fun way to generate the html on the fly. You have to do a hack like this. So the question is: Is there an easier way to make a partial view not cached ?

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  • Why can't I log in with "claimid.com" as an OpenID?

    - by radu-negrila
    Hi, I need to implement a relying party for Open ID in a load balanced environment. Following the suggestions found here I have tried passing null to the OpenIdRelyingParty constructor. The results are somehow not consistent. If I use www.myopenid.com as a provider it works. If I use www.claimid.com as a provider I get the following exception: ProtocolException - No OpenID endpoint found. This exception is thrown on the CreateRequest method call even in a non balanced environment (my local workstation). Any idea what can I do to make it work for both providers ?

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  • pass object from JS to PHP and back

    - by Radu
    This is something that I don't think can't be done, or can't be done easy. Think of this, You have an button inside a div in HTML, when you click it, you call a php function via AJAX, I would like to send the element that start the click event(or any element as a parameter) to PHP and BACK to JS again, in a way like serialize() in PHP, to be able to restore the element in JS. Let me give you a simple example: PHP: function ajaxCall(element){ return element; } JS: callbackFunction(el){ el.color='red'; } HTML: <div id="id_div"> <input type="button" value="click Me" onClick="ajaxCall(this, callbackFunction);" /> </div> So I thing at 3 methods method 1. I can give each element in the page an ID. so the call to Ajax would look like this: ajaxCall(this.id, callbackFunction); and the callback function would be: document.getElementById(el).color='red'; This method I think is hard, beacause in a big page is hard to keep track of all ID's. method 2. I think that using xPath could be done, If i can get the exact path of an element, and in the callback function evaluate that path to reach the element. This method needs some googling, it is just an ideea. method 3. Modify my AJAX functions, so it retain the element that started the event, and pass it to the callback function as argument when something returns from PHP, so in my AJAX would look like this: eval(callbackFunction(argumentsFromPhp, element)); and the callback function would be: callbackFunction(someArgsFromPhp, el){ el.color='red'; // parse someArgsFromPhp } I think that the third option is my choise to start this experiment. Any of you has a better idea how I can accomplish this ? Thank you.

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  • MVC2 Client-Side Validation for injected Ajax response

    - by radu-negrila
    Hi, I have the following scenario for an MVC 2 website. The user checks a radio. I make a jQuery GET to retrieve some html (partial view + view model). The view-model is annotated with validation attributes. I need client-side validation for the new html's inputs. I tried placing the following line in the partial view: <% Html.EnableClientValidation(); % I was naive. Also for the obtained html I use jQuery's .html to populate my placeholder, which also would execute the javascript. Not that there is any. Is is possible to update the page's validation logic and metadata after the ajax call ? Any ideas (beside remote client side validation) ? Thanks in advance.

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  • asp.mvc model design

    - by Radu D
    Hi, I am pretty new to MVC and I am looking for a way to design my models. I have the MVC web site project and another class library that takes care of data access and constructing the business objects. If I have in that assembly a class named Project that is a business object and I need to display all projects in a view ... should I make another model class Project? In this case the classes will be identical. Do I gain something from doing a new model class? I don't like having in views references to objects from another dll ... but i don't like duplicating the code neither. Did you encounter the same problem?

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  • Error when passing quotes to webservice by AJAX

    - by Radu
    I'm passing data using .ajax and here are my data and contentType attributes: data: '{ "UserInput" : "' + $('#txtInput').val() + '","Options" : { "Foo1":' + bar1 + ', "Foo2":' + Bar2 + ', "Flags":"' + flags + '", "Immunity":' + immunity + '}}', contentType: 'application/json; charset=utf-8', Server side my code looks like this: <WebMethod()> _ Public Shared Function ParseData(ByVal UserInput As String, ByVal Options As Options) As String The userinput is obvious but the Options structure is like the following: Public Structure Options Dim Foo1 As Boolean Dim Foo2 As Boolean Dim Flags As String Dim Immunity As Integer End Structure Everything works fine when $('#txtInput') contains no double-quotes but if they are present I get an error (for an input of asd"): {"Message":"Invalid object passed in, \u0027:\u0027 or \u0027}\u0027 expected. (22): { \"UserInput\" : \"asd\"\",\"Options\" : { \"Foo1\":false, \"Foo2\":false, \"Flags\":\"\", \"Immunity\":0}}","StackTrace":" at System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeDictionary(Int32 depth)\r\n at System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeInternal(Int32 depth)\r\n at System.Web.Script.Serialization.JavaScriptObjectDeserializer.BasicDeserialize(String input, Int32 depthLimit, JavaScriptSerializer serializer)\r\n at System.Web.Script.Serialization.JavaScriptSerializer.Deserialize[T](String input)\r\n at System.Web.Script.Services.RestHandler.ExecuteWebServiceCall(HttpContext context, WebServiceMethodData methodData)","ExceptionType":"System.ArgumentException"} Any idea how I can avoid this error? Also, when I pass the same input with quotes directly it works fine.

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