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  • Load image blurred Android

    - by Mira
    I'm trying to create a map for a game through an image, where each black pixel is equivalent to a wall, and yellow to flowers(1) and green grass(0) so far i had this image (50x50): http://i.imgur.com/Ydj9Cp2.png the problem here seems to be that, when i read the image on my code, it get's scaled up to 100x100, even tough i have it on the raw folder. I can't let it scale up or down because that will put noise and blur on the image and then the map won't be readable. here i have my code: (...) Bitmap tab=BitmapFactory.decodeResource(resources, com.example.lolitos2.R.raw.mappixel); //tab=Bitmap.createScaledBitmap(tab, 50, 50, false); Log.e("w", tab.getWidth()+"."+tab.getHeight()); for (int i = 0; i < tab.getWidth(); i++) { for (int j = 0; j < tab.getHeight(); j++) { int x = j; int y = i; switch (tab.getPixel(x, y)) { // se o é uma parede case Color.BLACK: getParedes()[x][y] = new Parede(x, y); break; case Color.GREEN: fundo.add(new Passivo(x,y,0)); break; default: fundo.add(new Passivo(x,y,1)); } } } How can i read my image Map without rescaling it?

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  • Load huge sql dump to mySql

    - by jonathan
    Hi I have a huge mysql dump file generated from phpmyAdmin (150 000 lines of create table, inserts....) The mySql query tool fails to open such a big file. As a result i can't insert all the records. Is there a way to do this ? Thanks John

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  • Load links as unselected in jQuery

    - by shummel7845
    I have sets of links with id and name attributes, id for individual identifiers and names for groupings. In my jQuery, I have a click function that manipulates the CSS based on what a user clicks on. But I want to start the freshly loaded page with some of the links disabled (no href attribute) and with a style applied. I tried this, but it didn't work. $(function() // Alias for $(document).ready() { var $links = $('li a'); $links.(function(){ $('a[name="beam"]').filter(function() { $(this).addClass('unavailable'); $(this).removeAttr('href'); }); }); ...... Ideas? (Beam is one of the groupings by name).

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  • troubleshooting steps for site that requires refresh to load

    - by user1691389
    How does one troubleshoot a site that loads sometimes, but then requires a reload at other times... sometimes it loads, sometimes it hangs and a refresh is required, sometimes more than once. What would you do in this situation? I'm just looking for basic troubleshooting steps to start me going in the right direction. In the meantime I'll be poking around in Chrome's "Inspect Element" but if there's specific things I should look at first let me know.

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  • Fermat factorization method limit

    - by Fakrudeen
    I am trying to implement Fermat's factorization [Algorithm C in Art of computer programming Vol. 2]. Unfortunately in my edition [ISBN 81-7758-335-2], this algorithm is printed incorrectly. what should be the condition on factor-inner loop below? I am running the loop till y <= n [passed in as limit]. (if (< limit y) 0 (factor-inner x (+ y 2) (- r y) limit)) Is there anyway to avoid this condition altogether, as it will double the speed of loop? (define (factor n) (let ( ( square-root (inexact->exact (floor (sqrt n))) ) ) (factor-inner (+ (* 2 square-root) 1) 1 (- (* square-root square-root) n) n) ) ) (define (factor-inner x y r limit) (if (= r 0) (/ (- x y) 2) (begin (display x)(display " ")(display y)(display " ")(display r)(newline) ;(sleep-current-thread 1) (if (< r 0) (factor-inner (+ x 2) y (+ r x) limit) (if (< limit y) 0 (factor-inner x (+ y 2) (- r y) limit)) ) ) ) )

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  • I'm trying to implement 2 factor authentication on the cheap. How would I do that?

    - by Biff MaGriff
    Ok so I need 2 of the 3. Something the user knows. Something the user has. Something the user is. I have a system that is exposed to the internet and we need clients to connect in a secure manner to satisfy our security standards. I'm thinking when a user registers to use our system we send them an application that they install on their home system. The application generates a key based on a timed randomness algorithm. Our application server has the same algorithm so when the user submits their credentials with the key we know that they are a legitimate user. Is this a valid method of 2 factor authentication? What is another way of doing this? Are there any pitfalls that I should be aware of? Thanks for your help!

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  • Passing parameter to SOAP Web Service Requests Using Visual Studio Team System 2008

    - by Nicholas
    How can I pass in the current datetime parameter to a SOAP request? I know you can pass in parameters by adding a datasource to the web test project and reference it like this {{DataSource.TableName.FieldName}}. But I want to pass in current datetime parameter as a dynamic value (something like DateTime.Now). How do I go about doing this? Below is sample SOAP request that I put into String Body: <soap:body> <MyQuery xmlns="http://something.com"> <req> <QueryType>{{DataSource.Table.QueryType}}</QueryType> <Name>{{DataSource.Table.Name}}</Name> <RequestDateTime>{{insert DateTime.Now here}}</RequestDatetime> </req> </MyQuery> </soap:body> P.S. Running web test by adding Web Service Request in Visual Studio Team System 2008

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  • Running response time tests on php code - how much is 7.2E-5 microseconds?

    - by Ali
    Hi guys I'm using microtime() function of php to tell how long certain snippets of code take to run I do this by taking the time before and after the snippet and subtracting them using microtime function. I got the following results though for the different snippets: 1 - 0.022976 2 - 0.003656 3 - -0.196361 4- 0.006563 5- 7.2E-5 6- 0.847695 7- 0.005092 8- 7.6E-5 9- 0.08024 The first numbers represent the snippt and the following the time taken... I've forgotten whatever I learnt back in College on numerical methods :( - how big is 7.2E-5 microseconds?

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  • How to force reload all vendor/plugins in rails 2.3 (development mode)

    - by tsdbrown
    We have an application with a app/model that references another model stored in a plugin. When the app/model level is reloaded on the second and further requests and that relies on our model in vendor/plugins/... (which stays loaded) it fails (can't dup nil class). We've tried setting config.reload_plugins = true in the development.rb but this doesn't seem to do it. Does anybody know a way to handle this?

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  • Books and resources for Java Performance tuning - when working with databases, huge lists

    - by Arvind
    Hi All, I am relatively new to working on huge applications in Java. I am working on a Java web service which is pretty heavily used by various clients. The service basically queries the database (hibernate) and then works with a lot of Lists (there are adapters to convert list returned from DB to the interface which the service publishes) and I am seeing lot of issues with the service like high CPU usage or high heap space. While I can troubleshoot the performance issues using a profiler, I want to actually learn about what all I need to take care when I actually write code. Like what kind of List to use or things like using StringBuilder instead of String, etc... Is there any book or blogs which I can refer which will help me while I write new services? Also my application is multithreaded - each service call from a client is a new thread, and I want to know some best practices around that area as well. I did search the web but I found many tips which are not relevant in the latest Java 6 releases, so wanted to know what kind of resources would help a developer starting out now on Java for heavily used applications. Arvind

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  • Session variable getting lost using Firefox, works in IE

    - by user328422
    I am setting a Session variable in an HttpHandler, and then getting its value in the Page_load event of an ASPX page. I'm setting it using public void ProcessRequest(HttpContext context) { HttpPostedFile file = context.Request.Files["Filedata"]; context.Session["WorkingImage"] = file.FileName; } (And before someone suggests that I check the validity of file.FileName, this same problem occurs if I hard-code a test string in there.) It's working just fine in IE, but in Firefox the Session Variable is not found, getting the "Object reference not set to an instance of an object" error in the following code: protected void Page_Load(object sender, EventArgs e) { string loc = Session["WorkingImage"].ToString(); } Has anyone encountered this problem - and hopefully come up with a means for passing the session variable?

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  • Javascript window.onunload fires off after Page_Load

    - by gnomixa
    I have noticed that window.onunload event fires off AFTER page_load event which makes no sense. This behaviour is creating an issue for me - in my unonload I clear the session, so if the Page_Load first BEFORE onunload, there are errors on the page displayed. I would expect the javascript onunload to fire BEFORE Page_Load....is that the correct assumption? TO CLARIFY: Let's assume I am on page test.aspx, then I click on the link that goes to the same page (say I click on a menu), what I observe is that Page_Load fires first, then onunload fires off. Makes no sense at all.

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  • Js constants with variables inside.

    - by johnnyArt
    I know I'm able to this in PHP, but I can't remember the name or the way to do it, so I'll just explain what it is, and when someone tells me how it's called I'll update this question. I have some error messages defined as constants on javascript, however, some of those messages need to contain dynamic part as in the following example. "The username must be between 4 and 20 characters" In php, If I'm not mistaken there was some option for storing that string in a way that when called it would replace the variables with the data provided on the call. I want to do that on javascript, something like: config['string',vars] And have javascript insert those vars inside the string so it's customized. Wow, this must be the worst question I've made! I'm sorry for the lack of information, I'm kinda braindead on Sundays.

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  • lowest latency, least overhead app server?

    - by Mark Harrison
    I'm designing an application which will have a network interface for feeding out large numbers of very small metadata requests. The application code itself is very fast, basically looking up data cached in memory and sending it to the client. What's the absolute lowest latency I can get for a network application server running on a linux box? This will be an internal app running on gigE with no authentication. Any language/framework considered, with a preference for C, C++, or Python. Likewise for protocol, although HTTP would be nice.

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  • Figuring out page size with YSlow / Web Developer extension

    - by Goose Bumper
    I'm trying to figure out how much javascript is being loaded on my website. I'm using Reducisaurus to shrink my js files. The problem is, this is causing both YSlow and the Web Developer extension report the size of my files as ~.04K, which I know can't be right (one of the .js files is jquery, which is 50kb). Is there any way to accurately figure out how much time I've saving by using Reducisaurus?

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  • Books or resources for high-loaded sites.

    - by Alex
    Currently I'm developing high-loaded financial portal(we use LAMP to run our project). There are great number of incoming data to be processed and stored. So optimization tasks become very important for us. Could you suggest books, articles or resources, that discover optimization questions (especially bboks). NOTE: At the moment I'm reading great book High Performance MySQL, but besides I want to know other facilities of optimization.

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  • How to jQuery slidedown once page has already been loaded

    - by bulltorious
    I am having a timing issue when attempting to slide down my more info div. My desired functionality is that the div slidesdown from the top once the page has already been rendered. My problem is if I use $(document).ready().. the animation does not visibly occur. Here is my code: $(document).ready(function() { $(".MoreInfo").slideDown('slow'); }); If I strap it to some other element's click for example, it works beautifully. But I am not sure how to make it visibly slide down once the page has loaded. Thanks!

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  • JMeter - successfull HTTPS recording?

    Greetings, I'm utilizing Jmeter 2.3, which now supports "attempt HTTPS spoofing" under the Proxy Server element. I've tried on several different servers, and have had no success. Has anyone been able to successfully record from an HTTPS source with this setting? Or barring successfully recording, can anyone share a work-around? When available, I simply have HTTPS turned off at the server level, but this is not always feasible. THoughts?

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  • How to determine cpu, ram needed for rails app?

    - by Ben
    What is the most accurate way to determine the amount of cpu speed and ram needed to run my rails app? I believe there are stress testing tools like Tsung, but how do I determine, for example, that I need X more ram, or X more CPU? I would like to find some way to roughly gauge the performance needs of my application so I can anticipate future needs. I think this data will also be useful for me to decide whether to upgrade one machine, or get another dedicated machine and put all the databases on that one. Essentially, I am concerned about scaling issues, and how to anticipate them. Thanks in advance for the help!

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  • Server Benchmarking: What tools to use with my real-world test data

    - by mdemmitt
    I want to benchmark a new server using historical HTTP-request data. I have a textfile that contains one day's worth of real historical requests to a production server. What is the best tool for sending that list of requests on the server I'm testing? The tool I use should be able to configure the following: Number of threads making the requests Number of requests/second sent A list of request URLs to use when making the requests. Apache Bench seems like a close fit. However, Bench does not seem to be able to take in a list of request URLs as a parameter. What would you recommend?

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  • check whether mmap'ed address is correct

    - by reddot
    I'm writing a high-loaded daemon that should be run on the FreeBSD 8.0 and on Linux as well. The main purpose of daemon is to pass files that are requested by their identifier. Identifier is converted into local filename/file size via request to db. And then I use sequential mmap() calls to pass file blocks with send(). However sometimes there are mismatch of filesize in db and filesize on filesystem (realsize < size in db). In this situation I've sent all real data blocks and when next data block is mapped -- mmap returns no errors, just usual address (I've checked errno variable also, it's equal to zero after mmap). And when daemon tries to send this block it gets Segmentation Fault. (This behaviour is guarantedly issued on FreeBSD 8.0 amd64) I was using safe check before open to ensure size with stat() call. However real life shows to me that segfault still can be raised in rare situtaions. So, my question is there a way to check whether pointer is accessible before dereferencing it? When I've opened core in gdb, gdb says that given address is out of bound. Probably there is another solution somebody can propose.

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  • Page.ClientScript Register a pair of javascript code

    - by blgnklc
    How can I register a javascript code a page? I want to put th javascript function to the aspx.page; I thing it might be like that; string strJS= "<script language = javascript> (function(images, elements) { var fetchImages = function() { if(images.length > 0) { var numImages = 10; while(images.length > 0 && numImages-- > 0) { // assuming your elements are <img> document.getElementById(elements.shift()).src = images.shift(); // if not you could also set the background (or backgroundImage) css property // document.getElementById(elements.shift()).style.background = "url(" + images.shift() + ")"; } setTimeout(fetchImages, 5000); } } // bind to window onload window.onload = fetchImages; // if you're going to use something like jquery then do something like this instead //$(fetchImages); }(['url1', 'url2', 'url3'], ['img1', 'img2', 'img3'])) </script>"; Page.ClientScript.RegisterClientScriptBlock(typeof(ui_SUBMVGInfo), "SmartPenCheck", strJS); The second Questin is; ... ... g(ctrlIDBirthPlaceCode).onchange(); }} </script> <script language = javascript> var url1 = 'http://localhost:3645/ImageHandler.ashx?FormId=XXX.11&FieldId=s1_Adiniz'; var url2 ='http://localhost:3645/ImageHandler.ashx?FormId=XXX.11&FieldId=s1_Soyadiniz'; var url3 = 'http://localhost:3645/ImageHandler.ashx?FormId=XXX.11&FieldId=s1_tarih'; var url4 = 'http://localhost:3645/ImageHandler.ashx?FormId=XXX.11&FieldId=s1_Adiniz'; var url5 ='http://localhost:3645/ImageHandler.ashx?FormId=XXX.11&FieldId=s1_Soyadiniz'; var url6 = 'http://localhost:3645/ImageHandler.ashx?FormId=XXX.11&FieldId=s1_tarih'; var url7 = 'http://localhost:3645/ImageHandler.ashx?FormId=XXX.11&FieldId=s1_Adiniz'; var url8 ='http://localhost:3645/ImageHandler.ashx?FormId=XXX.11&FieldId=s1_Soyadiniz'; var url9 = 'http://localhost:3645/ImageHandler.ashx?FormId=XXX.11&FieldId=s1_tarih'; var url10 = 'http://localhost:3645/ImageHandler.ashx?FormId=XXX.11&FieldId=s1_Adiniz'; var url11 ='http://localhost:3645/ImageHandler.ashx?FormId=XXX.11&FieldId=s1_Soyadiniz'; var url12 = 'http://localhost:3645/ImageHandler.ashx?FormId=XXX.11&FieldId=s1_tarih'; function(images, elements) {var fetchImages = function() {if(images.length > 0) {var numImages = 5; while(images.length > 0 && numImages-- > 0) { document.getElementById(elements.shift()).src = images.shift(); }setTimeout(fetchImages, 5000); }}window.onload = fetchImages; }(['+url1+', '+url2+', '+url3+','+url4+', '+url5+', '+url6+','+url7+', '+url8+', '+url9+','+url10+', '+url11+', '+url12+'], ['ui_taskFormControl$ctl03$ctl00$ctl03$ui_CustomerNameImage', 'ui_taskFormControl$ctl03$ctl00$ctl03$ui_CustomerSurNameImage', 'ui_taskFormControl$ctl03$ctl00$ctl03$ui_MaritalStatusImage','ui_taskFormControl$ctl03$ctl00$ctl03$ui_SexImage','ui_taskFormControl$ctl03$ctl00$ctl03$ui_BirthDateImage','ui_taskFormControl$ctl03$ctl00$ctl03$ui_BirthPlaceCodeImage','ui_taskFormControl$ctl03$ctl00$ctl03$ui_BirthPlaceImage','ui_taskFormControl$ctl03$ctl00$ctl03$ui_IdNationalityImage','ui_taskFormControl$ctl03$ctl00$ctl03$ui_MotherOldSurNameImage','ui_taskFormControl$ctl03$ctl00$ctl03$ui_TaxNoImage','ui_taskFormControl$ctl03$ctl00$ctl03$ui_CitizenshipNoImage','ui_taskFormControl$ctl03$ctl00$ctl03$ui_HomePhoneImage'])); </script> <script> var ui_BirthPlaceCode_a='Intertech.Utility'; var ui_BirthPlaceCode_c='Intertech.Utility.Common'; var ui_BirthPlaceCode_sbn=''; ... .. What do you think is it allright or how can I do that? And according to second question above; the use of the code is correct? ref:** PS: To see my purpose please continue reading below; There is a web site page which is coded on asp.net with using c# and ajax is enabled too. I want a very fast loading web page; which is going to happen with the following architecture; 1- First all data is shown by the text boxes (There are 50 text boxes, it is an application form.) 2- When the web Page is requested and loaded, then I want all the photos are shown near the each text boxes 10 by 10 from top of the page till the end of it. (Each photo is between 5 kb - 20 kb; ) I know ImageHandler's the question is how can I put all these idea into real life? some examples and ideas will be great ! thanks This issue has been answered and you may have a look - here Regards Bk

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