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  • How to load static files from view HTML in web2py?

    - by MikeWyatt
    Given a view with layout, how can I load static files (CSS and JS, essentially) into the <head> from the view file? layout.html <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="{{=T.accepted_language or 'en'}}"> <head> <title>{{=response.title or request.application}}</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <!-- include requires CSS files {{response.files.append(URL(request.application,'static','base.css'))}} {{response.files.append(URL(request.application,'static','ez-plug-min.css'))}} --> {{include 'web2py_ajax.html'}} </head> <body> {{include}} </body> </html> myview.html {{extend 'layout.html'}} {{response.files.append(URL(r=request,c='static',f='myview.css'))}} <h1>Some header</h1> <div> some content </div> In the above example, the "myview.css" file is either ignored by web2py or stripped out by the browser. So what is the best way to load page-specific files like this CSS file? I'd rather not stuff all my static files into my layout.

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  • Performance using T-SQL PIVOT vs SSIS PIVOT Transformation Component.

    - by Nev_Rahd
    Hi I am in process of building Dimension from EDW (source), wherein I need to pivot columns of source to load Dimension. Currently most of the pivoting stuff am doing is by using T-SQL PIVOT which further get used in my SSIS package to merge with Dim table This pivoting can also be achieved by SSIS PIVOT Transformation component. In regards to Performance which approach would be the best? Thanks

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  • What freeware/floss tools are available to help load data into SPSS?

    - by tardate
    I'm looking for a solution for producing SPSS format data files for loading into SPSS. The few offerings I can find are all commercial. Has anyone experience with generating SPSS-format data files using open-source, freeware or home-grown solutions? I'm not even sure that the file format is "open". Any hints appreciated (any language is fine, although java, perl or ruby preferred).

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  • How to convert an object to the serialized syntax for data in jquery.ajax function?

    - by Matthew
    I have an object that I want to send with my jquery.ajax function but I can't find anything that will convert it to the serialized format I need. $.ajax({ type: 'post', url: 'www.example.com', data: MyObject, success: function(data) { $('.data').html(data) } }) MyObject = [ { "UserId": "2", "UserLevel": "5", "FirstName": "Matthew" }, { "UserId": "4", "UserLevel": "5", "FirstName": "Craig" } ]

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  • How does changing armv6/armv7 architecture to armv6 affect my iPad app? Will there be performance/st

    - by Flocked
    Hello, I need to change the the architectures of "Any iPhone OS Device" from "Optimized (armv6 armv7)" to "Standard (armv6)" for a library. I'm not exactly sure what effect will this have on the performance and stability of my iPad app. If I understand it right, the iPad has the armv7 architecture. I'm not so familiar with architectures, so I don't know what it means.

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  • Is there any performance advantage to using DirectorySearcher over SearchRequest for LDAP queries.

    - by WayneC
    I understand that System.DirectoryServices is a "layer above" System.DirectoryServices.Protocols and abstracts some of the complexity. Are there any other advantages, performance or otherwise, to using System.DirectoryServices.DirectorySearcher vs. System.DirectoryServices.Protocols.SearchRequest for LDAP queries from .NET. What criteria would cause you to use one approach over the other?

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  • The Spotlight is on You

    - by Claudia McDonald
    On the field or off the field, in ballet slippers or singing your heart out on stage, offering a stellar performance every time is key to holding the attention of your audience and having them come back hungry for more. Similarly, showing up to a new business meeting wearing pink tights and a tutu might be one way to holding the attention of your customer, but offering them an unmatched and ground-breaking software solution certainly will get their attention! Simply put, the Oracle Exastack program enables both ISV's and OEM's to rapidly build and deliver faster, more reliable applications. It comes as no surprise that the success of the Oracle Exastack program is centered on establishing Oracle Exadata Database Machine and Oracle Exalogic Elastic Cloud as the highest performance, lowest cost platforms available in the industry today.  But here is where the real standing-ovation-worthy facts come in. The Oracle Exadata Database Machine is the only database machine that provides extreme performance for both data warehousing and online transaction processing (OLTP) workloads, making it the ideal platform for consolidating onto private clouds. Whereas the Oracle Exalogic Elastic Cloud is an engineered hardware and software system tested and tuned by Oracle to provide the best foundation for cloud computing, while allowing Java applications, Oracle Applications and other enterprise applications to run with extreme performance. – And the crowd goes wild, ladies and gentlemen! In just four months alone, our partners have already achieved over 150 Oracle Exastack Ready milestones for Oracle Solaris, Oracle Linux, Oracle Database and Oracle WebLogic Server.  As Judson has said, “With the Oracle Exastack program, Oracle is helping partners test, tune and optimize their applications to deliver optimal performance and reliability, accelerating innovation and delivering superior value to customers." And get this, not only are their applications running faster and more efficiently, they are actually being delivered at a lower cost to customers than ever before – extreme performance well deserving of 3 consecutive arabesques! If you haven’t already, check out what some of our partners are saying about the Oracle Exastack program in this video, and find out all that is available to you today. By participating in the Oracle Exastack program, partners now have the ability to achieve Oracle Exadata Optimized, Oracle Exalogic Optimized, Oracle Exadata Ready and Oracle Exalogic Ready status for their solutions. New Oracle Exastack labs, provide OPN members with access to Oracle technical resources, on-premise facilities and remote lab environments. With Oracle Exastack Optimized, partners experience faster and more reliable applications to run on the Oracle Exadata Database Machine, as well as the long awaited Oracle Exalogic Elastic Cloud. Savvy OPN members are leveraging the Oracle Exastack Optimized program toward their advancement to Platinum or Diamond level in OPN. Partners are achieving Oracle Exadata Ready and Oracle Exalogic Ready giving them a competitive advantage and signaling to customers that their applications readily support Oracle Exadata Database Machine or Oracle Exalogic Elastic Cloud to deliver extreme performance. Get your dancing shoes on, The OPN Communications Team

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  • How to load an HTML file into an included PHP file from another PHP?

    - by Peter NGM
    i have 2 PHP file and 1 HTML. i want to include file2.php in file1.php. file1.php is: <html> <head>...</head> <body> ... <?php include("file2.php"); ?> ... </body> </html> i want to load an HTML file in file2.php: file2.php is: <?php $doc = new DOMDocument(); $doc->loadHTMLFile("sample.html"); echo $doc->saveHTML(); ?> and sample.html is: ... <b>Hello World!</b> ... my problem is this error: Warning: DOMDocument::loadHTMLFile() [domdocument.loadhtmlfile]: I/O warning : failed to load external entity "sample.html" in C:\xampp\htdocs\project\file2.php on line 3 please help me to solve this problem.

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  • How to apply Data Oriented Design with Object Oriented Programming?

    - by Pombal
    I've read lots of articles about Data Oriented Design (DOD) and I understand it but I can't design an Object Oriented Programming (OOP) system with DOD in mind, I think my OOP education is blocking me. How should I think to mix the two? The objective is to have a nice OOP interface while using DOD behind the scenes. I saw this too but didn't help much: http://stackoverflow.com/questions/3872354/how-to-apply-dop-and-keep-a-nice-user-interface

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  • How can I test that my hash function is good in terms of max-load?

    - by philcolbourn
    I have read through various papers on the 'Balls and Bins' problem and it seems that if a hash function is working right (ie. it is effectively a random distribution) then the following should/must be true if I hash n values into a hash table with n slots (or bins): Probability that a bin is empty, for large n is 1/e. Expected number of empty bins is n/e. Probability that a bin has k collisions is <= 1/k!. Probability that a bin has at least k collisions is <= (e/k)**k. These look easy to check. But the max-load test (the maximum number of collisions with high probability) is usually stated vaguely. Most texts state that the maximum number of collisions in any bin is O( ln(n) / ln(ln(n)) ). Some say it is 3*ln(n) / ln(ln(n)). Other papers mix ln and log - usually without defining them, or state that log is log base e and then use ln elsewhere. Is ln the log to base e or 2 and is this max-load formula right and how big should n be to run a test? This lecture seems to cover it best, but I am no mathematician. http://pages.cs.wisc.edu/~shuchi/courses/787-F07/scribe-notes/lecture07.pdf BTW, with high probability seems to mean 1 - 1/n.

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  • Ajax problem not displaying data using multiple javascript calls...

    - by Ronedog
    I'm writing an app that uses ajax to retrieve data from a mysql db using php. Because of the nature of the app, the user clicks an href link that has an "onclick" event used to call the javascript/ajax. I'm retrieving the data from mysql, then calling a separate php function which creates a small html table with the necessary data in it. The new table gets passed back to the responseText and is displayed inside a div tag. The tables only have around 10-20 rows of data in them. This functionality is working fine and displays the data in html form exactly as it needs to be on the page. The problem is this. the HREF "onclick" event needs to run multiple scripts one right after the other. The first script updates the "existing" data and inside the "update_existing" function is a call to refresh a section of the page with the updated HTML from the responseText. Then when that is done a "display_html" function is called which also updates a different section of the page with it's newly created HTML table. The event looks like this: Update This string gets built dynamically using php with parameters supplied, but for this example I simply took the parameters out so it didn't get confusing. The "update_existion() function actually calls the display_html() function which updates a section of the page as needed. I need to update a different section of the page on the same click of the mouse right after the update, which is why I'm calling the display_html() again, right after it. The problem is only the last call is being updated on my screen. In other words, the 2nd function call "display_html()" executes and displays the refreshed data just fine, but the previous call to update_existing() runs and updates the database properly, but doesn't display on the screen unless I press the browsers "refresh" button, which of course displays the new data exactly how I want it to, but I don't want the users to have to press the "refresh" button. I tried adding multiple "display_html() calls one right after the other, separating all of them with the semicolon and learned that only the very last function call actually refreshed the div element on the html page with the table information, although all the previous display_html() calls worked, they couldn't be seen on the page without a refresh of the browser. Is this a problem with javascript, or the ajax call, or is this a limitation in the DOM that only allows one element to be updated at a time. The ajax call is asynchroneous, but I've tried both, only async works period. This is the same in both Firefox and Internet Explorer Any ideas what's going on and how to get around it so I can run these multiple scripts?

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  • What would cause native gem extensions on OS X to build but fail to load?

    - by goodmike
    I am having trouble with some of my rubygems, in particular those that use native extensions. I am on a MacBookPro, with Snow Leopard. I have XCode 3.2.1 installed, with gcc 4.2.1. Ruby 1.8.6, because I'm lazy and a scaredy cat and don't want to upgrade yet. Ruby is running in 32-bit mode. I built this ruby from scratch when my MBP ran OSX 10.4. When I require one of the affected gems in irb, I get a Load Error for the gem extension's bundle file. For example, here's nokogigi dissing me: > require 'rubygems' = true > require 'nokogiri' LoadError: Failed to load /usr/local/lib/ruby/gems/1.8/gems/nokogiri-1.4.1/lib/nokogiri/nokogiri.bundle This is also happening with the Postgres pg and MongoDB mongo gems. My first thought was that the extensions must not be building right. But gem install wasn't throwing any errors. So I reinstalled with the verbose flag, hoping to see some helpful warnings. I've put the output in a Pastie, and the only warning I see is a consistent one about "passing argument n of ‘foo’ with different width due to prototype." I suspect that this might be an issue from upgrading to Snow Leopard, but I'm a little surprised to experience it now, since I've updated my XCode. Could it stem from running Ruby in 1.8.6? I'm embarrassed that I don't know quite enough about my Mac and OSX to know where to look next, so any guidance, even just a pointer to some document I couldn't find via Google, would be most welcome. Michael

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  • SQL Azure and Trust Services

    - by BuckWoody
    Microsoft is working on a new Windows Azure service called “Trust Services”. Trust Services takes a certificate you upload and uses it to encrypt and decrypt sensitive data in the cloud. Of course, like any security service, there’s a bit more to it than that. I’ll give you a quick overview of how you can use this product to protect data you send to SQL Azure. The primary issue with storing data in the cloud is that you are in an environment that isn’t under your control – in fact, that’s the benefit of being in a distributed computing environment in the first place. On premises you’re able to encrypt data you don’t want anyone else to see, using various methods such as passwords (not very strong) or certificates (stronger). When you use a certificate, it’s vital that you create (or procure) and protect it yourself. When you store data remotely, regardless of IaaS, PaaS or SaaS, you don’t own the machines where the data lives. That means if you use a certificate from the cloud vendor to encrypt the data, you have to trust that the data won’t be accessed by the vendor. In some cases having a signed agreement with the vendor that they won’t access your data is sufficient, in other cases that doesn’t meet the requirements your system has for security. With the new Trust Services service, the basic process is that you use a Portal to create a Trust Server using policies and other controls. You place a X.509 Certificate you create or procure in that server. Using the Software development Kit (SDK), the developer has access to an Application Layer Encryption Framework to set fields of data they want to encrypt. From there, the data can be stored in SQL Azure as a standard field – only it is encrypted before it ever arrives. The portion of the client software that decrypts the data uses the same service, so the authenticated user sees the data if they are allowed to do so. The data remains encrypted “at rest”.  You can learn more about this product and check it out in the SQL Azure labs at Microsoft Codename "Trust Services"

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  • how to make Sliding window model for data stream mining?

    - by zeedotcom
    we have a situation that a stream (data from sensor or click stream data at server) is coming with sliding window algorithm we have to store the last (say) 500 samples of data in memory. These samples are then used to create histograms, aggregations & capture information about anomalies in the input data stream. please tell me how to make such sliding window.

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  • User authentication using CodeIgniter

    - by marcin_koss
    I have a problem creating authentication part for my application. Below is the simplified version of my controllers. The idea is that the MY_controller checks if session with user data exists. If it doesn’t, then redirects to the index page where you have to log in. MY_controller.php class MY_Controller extends Controller { function __construct() { parent::__construct(); $this->load->helper('url'); $this->load->library('session'); if($this->session->userdata('user') == FALSE) { redirect('index'); } else { redirect('search'); } } } order.php - main controller class Orders extends MY_Controller { function __construct() { parent::__construct(); $this->load->helper('url'); $this->load->library('session'); } function index() { // Here would be the code that validates information input by user. // If validation is successful, it creates user session. $this->load->view('header.html', $data); // load header $this->load->view('index_view', $data); // load body $this->load->view('footer.html', $data); // load footer } function search() { //different page } what is happening is that the browser is telling me that “The page isn’t redirecting properly. Firefox has detected that the server is redirecting the request for this address in a way that will never complete.” It seems like the redirect() is being looped. I looked at a few other examples of user auth and they were build using similar technique.

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  • PostgresQL on Amazon EBS volume, realistic performance, or move to something more lightweight?

    - by Peck
    Hi, I'm working on a little research project, currently running as an instance on ec2, and I'm hoping to figure out whether I'm going down the right path. We, like a thousand other people, are making use of some of twitters streaming feeds to do gather some data to have fun with and my db seems to be having problems keeping up, and queries take what seems to be a very long time. I'm not a DBA by trade, so I'll just dump some info here and add more if need be. System specs: ec2 xl, 15 gigs of ram ebs: 4 100 gb drives, raid 0. The stream we're getting we're looking at around 10k inserts per minute. 3 main tables, with the users we're tracking somewhere in the neighborhood of 26M rows currently. Is this amount of inserts on this hardware too much to ask out of ebs? Should take a look at some things with less overhead like mongodb?

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  • jquery: how can i load the Google Maps API via ajax?

    - by Haroldo
    Before you reply: this is not as straight foward as you'd expect! I have a 'show on map' button which when clicked opens a dialogbox/lightbox with the google map in. I don't want to load the maps api on pageload, just when a map has been requested This is php file the "show on map" button puts into the dialog box: <div id="map_canvas"></div> <script type="text/javascript"> $(function() { //google maps stuff var latlng = new google.maps.LatLng(<?php echo $coords ?>); var options = { zoom: 14, center: latlng, mapTypeControl: false, mapTypeId: google.maps.MapTypeId.ROADMAP }; var map = new google.maps.Map(document.getElementById('map_canvas'), options); var marker = new google.maps.Marker({ position: new google.maps.LatLng(<?php echo $coords ?>), map: map }); }) </script> I've been trying to load the API before ajaxing in the dialog like this: $('img.map').click(function(){ var rel = $(this).attr('rel'); $.getScript('http://maps.google.com/maps/api/js?sensor=false', function(){ $.fn.colorbox({ href:rel }) }); }) this doesn't seem to work :( i've also tried: adding <script src="http://maps.google.com/maps/api/js?sensor=false"></script> to the ajax file type="text/javascript" running $.getScript('http://maps.google.com/maps/api/js?sensor=false'); on doc.ready the problem the browser seems to be redirected to the api.js file - you see a white screen

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  • Is Minus Zero some sort of JavaScript performance trick?

    - by James Wiseman
    Looking in the jQuery core I found the folloiwng code convention: nth: function(elem, i, match){ return match[3] - 0 === i; }, And I was really curious about the snippet match[3] - 0 Hunting around for '-0' on google isn't too productive, and a search for 'minus zero' brings back a reference to a Bob Dylan song. So, can anyone tell me. Is this some sort of performance trick, or is there a reason for doing this rather than a parseInt or parseFloat? Thanks

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  • Load XML file on seperate thread, overwrite old , and save.

    - by Luis Tovar
    Hey everyone... so Im trying to figure out how to do this. I have bounced around alot of forums to try and find my answer, but no success. Either their process it too complicated for me to understand, or is just overkill. What I am trying to do is this. I have an XML file within my app. Its a 500k xml file that i dont want the user to have to wait on when loading. SO... I put it in my app which kills the load time, and makes the app available offline. What i want to do is, when the app loads, in the background (seperate thread) download the SAME xml file which MIGHT be updated with new data. Once the xml file is complete, i want to REPLACE the xml file that was used to load the file. Any suggestions or code hints would be greatly appreciated. Thanks in advance!

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  • Zelda-style Top-down RPG. Storing data for each tile type

    - by Delerat
    I'm creating a Zelda-style RPG using Tiled, C#, and MonoGame. When my code parses the .tmx file, it will get a number to associate with each tile type based off of their position in the tile sheet. If I ever need to change my sprite sheet, this number will change for many of the tiles. How can I guarantee that when I parse my .tmx file, I will be able to know exactly what tile type I'm getting so that I can associate the proper data with it(transparency, animated, collision, etc.)?

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  • Transaction on Entity FrameWork Refactoring and best performance how can i?

    - by programmerist
    i try to use transaction in Entity FrameWork. i have 3 tables Personel, Prim, Finans. in Prim table you look SatisTutari (int) if i add data in SatisTutari.Text instead of int value adding float value. Trannsaction must be run! Everything is ok but how can i refactoring or give best performance or best writing Transaction coding! i have 3 table so i have 3 entities: CREATE TABLE Personel (PersonelID integer PRIMARY KEY identity not null, Ad varchar(30), Soyad varchar(30), Meslek varchar(100), DogumTarihi datetime, DogumYeri nvarchar(100), PirimToplami float); Go create TABLE Prim (PrimID integer PRIMARY KEY identity not null, PersonelID integer Foreign KEY references Personel(PersonelID), SatisTutari int, Prim float, SatisTarihi Datetime); Go CREATE TABLE Finans (ID integer PRIMARY KEY identity not null, Tutar float); Personel, Prim,Finans my tables. if you look Prim table you can see Prim value float value if i write a textbox not float value my transaction must run. protected void btnSave_Click(object sender, EventArgs e) { using (TestEntities testCtx = new TestEntities()) { using (TransactionScope scope = new TransactionScope()) { Personel personel = new Personel(); Prim prim = new Prim(); Finans finans = new Finans(); //-----------------------------------------------------------------------Step 1 personel.Ad = txtName.Text; personel.Soyad = txtSurName.Text; personel.Meslek = txtMeslek.Text; personel.DogumTarihi = DateTime.Parse(txtSatisTarihi.Text); personel.DogumYeri = txtDogumYeri.Text; personel.PirimToplami = float.Parse(txtPrimToplami.Text); testCtx.AddToPersonel(personel); testCtx.SaveChanges(); //----------------------------------------------------------------------- step 2 prim.PersonelID = personel.PersonelID; prim.SatisTutari = int.Parse(txtSatisTutari.Text); prim.SatisTarihi = DateTime.Parse(txtSatisTarihi.Text); prim.Prim1 = double.Parse(txtPrim.Text); finans.Tutar = prim.SatisTutari * prim.Prim1; testCtx.AddToPrim(prim); testCtx.SaveChanges(); //----------------------------------------------------------------------- step 3 lblTutar.Text = finans.Tutar.Value.ToString(); testCtx.AddToFinans(finans); testCtx.SaveChanges(); scope.Complete(); } } How can i rearrange codes. i need best practice refactoring and best solution for reading easly and performance!!!

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