app directory - Page 419

Android app display different blocks of text using the same views.

- by user465131

I am sure there is a better way to do what I am doing in my apps. The current one I am trying to improve is a list of military cadences. The way I am doing it now is by loading html files in a web view. What I would like to be able to do is have one view set up and just be able to add the text portion of what I would be displaying with the html file. What would be the best method. I know this is probably a pretty simple thing to do with a sting or array but I am at the very beginner level and would need to be pointed in the right direction to do it.

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Will the app get rejected if you write image to /private/var/mobile/Media/DCIM/100APPLE/ directly?

- by al_lea

Instead of using UIImageWirteToSavedAlbum, is it safe to write your image to /private/var/mobile/Media/DCIM/100APPLE/ directly?

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How do I add animation to an iPhone app?

- by james p

So I came from a Flash background where I can animate in timeline. I've completed the Beginning iPhone Development book and just realized that I still don't know how to get an animation in. I'm guessing I need to import png sequences? Can anyone point me to an appropriate place to learn more about this topic? I want to make a game and my game objects need to animate. Thanks in advance!!

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How to create and add a custom made component to a Dialog based app (MFC)?

- by kobac

I want to make a custom made component (a line chart), that would be used in other applications. I don't know 2 things: 1) Where should I use (within component class!) the methods for drawing, like FillRect or PolyLine? In OnPaint handler that I should define and map it in MESSAGE MAP? Will it (OnPaint handler) be called from OnPaint handler of the dialog of the application or where from? 2)How to connect the component, once it is made, to the test application, which will for example be dialog based? Where should I instantiate that component? From an OnCreate method of the MyAppDialog.cpp? I started coding in MFC few days ago and I'm so confused about it. Thanks in advance, Cheers.

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In servlet (web app) how do I know the relative path ?

- by EugeneP

I have a jsp file in the root of .war file. and then I have a folder named STUFF. How do I get access to the file read.txt inside STUFF? /Name_of_war/STUFF/read.txt is the correct path?

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What percentage does Apple get off your iphone app sales? [closed]

- by Trip

Couldn't find the answer anywhere. Does anyone know what they take, and what you get?

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Create proxy to Java app so it can work on the iPhone? [closed]

- by Kovu

okay guys, these are the facts: I have a java chat. I can NOT have any develop-revelant information. So this all is static. It's not my chat. So fact 2: IPad does not have Java and it will not have it in future. So now, the very hard task: bring this both together. My idea: Develope a proxy server for this. 1) The data from the IPad will send to a server. 2) the server recieve data and call the JRE and the complete chat-client 3) The server gets the "chat" himself and send it back to the Ipad Is that and possible idea or bad? Did I oversee something? Anyone have a idea where to start?

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Is it possible to retrieve image from a the data folder in android app?

- by Maxood

I want to retrieve an image from my data/data/com.apps.myapp/images folder and display it in an ImageView.Any clue?

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My blackberry app will not display on simulator even thou it tells me I have no errors

- by user1334120

I am trying to run this code on my blakberry simulator, but it will not appear on the main menu. Can anybody please help me out. import net.rim.device.api.ui.FieldChangeListener; import net.rim.device.api.ui.Field; import net.rim.device.api.ui.UiApplication; import net.rim.device.api.ui.component.ButtonField; import net.rim.device.api.ui.component.LabelField; import net.rim.device.api.ui.container.MainScreen; public class FirstScreen extends MainScreen implements FieldChangeListener { ButtonField theButton; public FirstScreen() { add(new LabelField("First Screen")); theButton = new ButtonField("New Screen", ButtonField.CONSUME_CLICK); theButton.setChangeListener(this); add(theButton); } public void fieldChanged(Field field, int context) { if (field == theButton) { UiApplication.getUiApplication().pushScreen(new SecondScreen()); } } public class SecondScreen extends MainScreen { public SecondScreen() { add(new LabelField("Second Screen")); } } }

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I'm writing a diagnostic app for iOS that loads a predetermined set of webpages and records the time it takes for the page to render on the device.

- by user1754840

I'm writing a sort of diagnostic app for iOS that opens a predetermined list of websites and records the elapsed time it takes each to load. I have the app open a UIWebView within a ViewController. Here are the important bits of the ViewController source: - (void)viewDidLoad { [super viewDidLoad]; DataClass *obj = [DataClass getInstance]; obj.startOfTest = [NSDate date]; //load the first webpage NSString *urlString = [websites objectAtIndex:obj.counter]; //assume firstWebsite is already instantiated and counter is initially set to zero obj.counter = obj.counter + 1; NSURL *url = [NSURL URLWithString:urlString]; NSURLRequest *request = [NSURLRequest requestWithURL:url]; [obj.websiteStartTimes addObject:[NSDate date]]; [webView loadRequest:request]; } - (void)webViewDidFinishLoading:(UIWebView *)localWebView{ DataClass *obj = [DataClass getInstance]; //gets 'global' variables if(!webView.loading){ NSString *urlString = [websites objectAt:obj.counter]; obj.counter = obj.counter + 1; NSURL *url = [NSURL URLWithString:urlString]; NSURLRequest *request = [NSURLRequest requestWithURL:url]; [obj.websiteStartTimes addObject:[NSDate date]]; [webView loadRequest:request]; } The problem with this code is that it seems to load the next website before the one before it has finished. I would have thought that both the call to webViewDidFinishLoading AND the if statement within that would ensure that the website would be done, but that's not the case. I've noticed that sometimes, a single website will invoke the didFinishLoading method more than once, but it would only enter the if statement once. For example, if I have a list of ten websites, the webView would only really show the 3rd and the 6th website on the list and then indicate that it was "done" rendering them all. What else can I do to ensure that a website is done loading completely and rendered to the screen before the app moves on to the next one?

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Apache/mod_rewrite > Tomcat encoding %26 and "&"...

- by user293479

Apache is the front-end to my web app then I use mod_rewrite to proxy the request to JBoss. So far this sounds pretty standard, but the problem I am having is: if I access the app directly through jboss @ http://localhost:8080/app/page?raw=foo%26bar&page=1: request.getParameter("raw") = foo&bar If I access the app through Apache @ http://localhost/foo%26bar&page=1 request.getParameter("raw") = foo So somewhere along the way, the %26 is lost and replaced with an & which chops the raw variable. This is my Apache rewrite rule. RewriteRule ^/(.*) \ http://localhost:8080/app/home?raw=$1 [L,P] The Apache access log shows: http://localhost/foo%26bar&page=1 And the rewrite log shows: http://localhost:8080/app/home?raw=foo&bar&page=1 But I want the request to be: http://localhost:8080/app/home?raw=foo%26bar&page=1 I am pretty sure that this also occurs with slashes / too so to me this is some sort of encoding issue. Is there a way to proxy the URL untouched? Can't seem to figure this one out.

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Announcing Windows Azure Mobile Services

- by ScottGu

I’m excited to announce a new capability we are adding to Windows Azure today: Windows Azure Mobile Services Windows Azure Mobile Services makes it incredibly easy to connect a scalable cloud backend to your client and mobile applications. It allows you to easily store structured data in the cloud that can span both devices and users, integrate it with user authentication, as well as send out updates to clients via push notifications. Today’s release enables you to add these capabilities to any Windows 8 app in literally minutes, and provides a super productive way for you to quickly build out your app ideas. We’ll also be adding support to enable these same scenarios for Windows Phone, iOS, and Android devices soon. Read this getting started tutorial to walkthrough how you can build (in less than 5 minutes) a simple Windows 8 “Todo List” app that is cloud enabled using Windows Azure Mobile Services. Or watch this video of me showing how to do it step by step. Getting Started If you don’t already have a Windows Azure account, you can sign up for a no-obligation Free Trial. Once you are signed-up, click the “preview features” section under the “account” tab of the www.windowsazure.com website and enable your account to support the “Mobile Services” preview. Instructions on how to enable this can be found here. Once you have the mobile services preview enabled, log into the Windows Azure Portal, click the “New” button and choose the new “Mobile Services” icon to create your first mobile backend. Once created, you’ll see a quick-start page like below with instructions on how to connect your mobile service to an existing Windows 8 client app you have already started working on, or how to create and connect a brand-new Windows 8 client app with it: Read this getting started tutorial to walkthrough how you can build (in less than 5 minutes) a simple Windows 8 “Todo List” app that stores data in Windows Azure. Storing Data in the Cloud Storing data in the cloud with Windows Azure Mobile Services is incredibly easy. When you create a Windows Azure Mobile Service, we automatically associate it with a SQL Database inside Windows Azure. The Windows Azure Mobile Service backend then provides built-in support for enabling remote apps to securely store and retrieve data from it (using secure REST end-points utilizing a JSON-based ODATA format) – without you having to write or deploy any custom server code. Built-in management support is provided within the Windows Azure portal for creating new tables, browsing data, setting indexes, and controlling access permissions. This makes it incredibly easy to connect client applications to the cloud, and enables client developers who don’t have a server-code background to be productive from the very beginning. They can instead focus on building the client app experience, and leverage Windows Azure Mobile Services to provide the cloud backend services they require. Below is an example of client-side Windows 8 C#/XAML code that could be used to query data from a Windows Azure Mobile Service. Client-side C# developers can write queries like this using LINQ and strongly typed POCO objects, which are then translated into HTTP REST queries that run against a Windows Azure Mobile Service. Developers don’t have to write or deploy any custom server-side code in order to enable client-side code below to execute and asynchronously populate their client UI: Because Mobile Services is part of Windows Azure, developers can later choose to augment or extend their initial solution and add custom server functionality and more advanced logic if they want. This provides maximum flexibility, and enables developers to grow and extend their solutions to meet any needs. User Authentication and Push Notifications Windows Azure Mobile Services also make it incredibly easy to integrate user authentication/authorization and push notifications within your applications. You can use these capabilities to enable authentication and fine grain access control permissions to the data you store in the cloud, as well as to trigger push notifications to users/devices when the data changes. Windows Azure Mobile Services supports the concept of “server scripts” (small chunks of server-side script that executes in response to actions) that make it really easy to enable these scenarios. Below are some tutorials that walkthrough common authentication/authorization/push scenarios you can do with Windows Azure Mobile Services and Windows 8 apps: Enabling User Authentication Authorizing Users Get Started with Push Notifications Push Notifications to multiple Users Manage and Monitor your Mobile Service Just like with every other service in Windows Azure, you can monitor usage and metrics of your mobile service backend using the “Dashboard” tab within the Windows Azure Portal. The dashboard tab provides a built-in monitoring view of the API calls, Bandwidth, and server CPU cycles of your Windows Azure Mobile Service. You can also use the “Logs” tab within the portal to review error messages. This makes it easy to monitor and track how your application is doing. Scale Up as Your Business Grows Windows Azure Mobile Services now allows every Windows Azure customer to create and run up to 10 Mobile Services in a free, shared/multi-tenant hosting environment (where your mobile backend will be one of multiple apps running on a shared set of server resources). This provides an easy way to get started on projects at no cost beyond the database you connect your Windows Azure Mobile Service to (note: each Windows Azure free trial account also includes a 1GB SQL Database that you can use with any number of apps or Windows Azure Mobile Services). If your client application becomes popular, you can click the “Scale” tab of your Mobile Service and switch from “Shared” to “Reserved” mode. Doing so allows you to isolate your apps so that you are the only customer within a virtual machine. This allows you to elastically scale the amount of resources your apps use – allowing you to scale-up (or scale-down) your capacity as your traffic grows: With Windows Azure you pay for compute capacity on a per-hour basis – which allows you to scale up and down your resources to match only what you need. This enables a super flexible model that is ideal for new mobile app scenarios, as well as startups who are just getting going. Summary I’ve only scratched the surface of what you can do with Windows Azure Mobile Services – there are a lot more features to explore. With Windows Azure Mobile Services you’ll be able to build mobile app experiences faster than ever, and enable even better user experiences – by connecting your client apps to the cloud. Visit the Windows Azure Mobile Services development center to learn more, and build your first Windows 8 app connected with Windows Azure today. And read this getting started tutorial to walkthrough how you can build (in less than 5 minutes) a simple Windows 8 “Todo List” app that is cloud enabled using Windows Azure Mobile Services. Hope this helps, Scott P.S. In addition to blogging, I am also now using Twitter for quick updates and to share links. Follow me at: twitter.com/scottgu

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Identity Propagation across Web and Web Service - 11g

- by Prakash Yamuna

I was on a customer call recently and this topic came up. In fact since this topic seems to come up fairly frequently - I thought I would describe the recommended model for doing SSO for Web Apps and then doing Identity Propagation across the Back end web services. The Image below shows a typical flow: Here is a more detailed drill down of what happens at each step of the flow (the number in red in the diagram maps to the description below of the behind the scenes processing that happens in the stack). [1] The Web App is protected with OAM and so the typical SSO scenario is applicable. The Web App URL is protected in OAM. The Web Gate intercepts the request from the Browser to the Web App - if there is an OAM (SSO) token - then the Web Gate validates the OAM token. If there is no SSO token - then the user is directed to the login page - user enters credentials, user is authenticated and OAM token is created for that browser session. [2] Once the Web Gate validates the OAM token - the token is propagated to the WLS Server where the Web App is running. You need to ensure that you have configured the OAM Identity Asserter in the Weblogic domain. If the OAM Identity Asserter is configured, this will end up creating a JAAS Subject. Details can be found at: http://docs.oracle.com/cd/E23943_01/doc.1111/e15478/webgate.htm#CACIAEDJ [3] The Web Service client (in the Web App) is secured with one of the OWSM SAML Client Policies. If secured in this fashion, the OWSM Agent creates a SAML Token from the JAAS Subject (created in [2] by the OAM Identity Asserter) and injects it into the SOAP message. Steps for securing a JEE JAX-WS Proxy Client using OWSM Policies are documented at: http://docs.oracle.com/cd/E23943_01/web.1111/b32511/attaching.htm#BABBHHHC Note: As shown in the diagram - instead of building a JEE Web App - you can also use WebCenter and build portlets. If you are using WebCenter then you can follow the same architecture. Only the steps for securing WebCenter Portlets with OWSM is different. Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} http://docs.oracle.com/cd/E23943_01/webcenter.1111/e12405/wcadm_security_wss.htm#CIHEBAHB [4] The SOA Composite App is secured with OWSM SAML Service policy. OWSM Agent intercepts the incoming SOAP request and validates the SAML token and creates a JAAS Subject. [5] When the SOA Composite App tries to invoke the OSB Proxy Service, the SOA Composite App "Reference" is secured with OWSM SAML Client Policy. Here again OWSM Agent will create a new SAML Token from the JAAS Subject created in [4] by the OWSM Agent and inject it into the SOAP message. Steps for securing SOA Composite Apps (Service, Reference, Component) are documented at: Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} http://docs.oracle.com/cd/E23943_01/web.1111/b32511/attaching.htm#CEGDGIHD [6] When the request reaches the OSB Proxy Service, the Proxy Service is again secured with the OWSM SAML Token Service Policy. So the same steps are performed as in [4]. The end result is a JAAS Subject. Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;} [7] When OSB needs to invoke the Business App Web Service, it goes through the OSB Business Service. The OSB Business Service is secured with OWSM SAML Client Policy and step [5] is repeated. Steps for securing OSB Proxy Service and OSB Business Services are document at: http://docs.oracle.com/cd/E23943_01/admin.1111/e15867/proxy_services.htm#OSBAG1097[8] Finally when the message reaches the Business App Web Service, this service is protected by OWSM SAML Service policy and step [4] is repeated by the OWSM Agent. Steps for securing Weblogic Web Services, ADF Web Services, etc are documented at: http://docs.oracle.com/cd/E23943_01/web.1111/b32511/attaching.htm#CEGCJDIF In the above description for purposes of brevity - I have not described which OWSM SAML policies one should use; OWSM ships with a number of SAML policies, I briefly described some of the trade-offs involved with the various SAML policies here. The diagram above and the accompanying description of what is happening in each step of the flow - assumes you are using "SAML SV" or SAML Bearer" based policies without an STS.

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Developing Mobile Applications: Web, Native, or Hybrid?

- by Michelle Kimihira

Authors: Joe Huang, Senior Principal Product Manager, Oracle Mobile Application Development Framework and Carlos Chang, Senior Principal Product Director The proliferation of mobile devices and platforms represents a game-changing technology shift on a number of levels. Companies must decide not only the best strategic use of mobile platforms, but also how to most efficiently implement them. Inevitably, this conversation devolves to the developers, who face the task of developing and supporting mobile applications—not a simple task in light of the number of devices and platforms. Essentially, developers can choose from the following three different application approaches, each with its own set of pros and cons. Native Applications: This refers to apps built for and installed on a specific platform, such as iOS or Android, using a platform-specific software development kit (SDK). For example, apps for Apple’s iPhone and iPad are designed to run specifically on iOS and are written in Xcode/Objective-C. Android has its own variation of Java, Windows uses C#, and so on. Native apps written for one platform cannot be deployed on another. Native apps offer fast performance and access to native-device services but require additional resources to develop and maintain each platform, which can be expensive and time consuming. Mobile Web Applications: Unlike native apps, mobile web apps are not installed on the device; rather, they are accessed via a Web browser. These are server-side applications that render HTML, typically adjusting the design depending on the type of device making the request. There are no program coding constraints for writing server-side apps—they can be written in Java, C, PHP, etc., it doesn’t matter. Instead, the server detects what type of mobile browser is pinging the server and adjusts accordingly. For example, it can deliver fully JavaScript and CSS-enabled content to smartphone browsers, while downgrading gracefully to basic HTML for feature phone browsers. Mobile apps work across platforms, but are limited to what you can do through a browser and require Internet connectivity. For certain types of applications, these constraints may not be an issue. Oracle supports mobile web applications via ADF Faces (for tablets) and ADF Mobile browser (Trinidad) for smartphone and feature phones. Hybrid Applications: As the name implies, hybrid apps combine technologies from native and mobile Web apps to gain the benefits each. For example, these apps are installed on a device, like their pure native app counterparts, while the user interface (UI) is based on HTML5. This UI runs locally within the native container, which usually leverages the device’s browser engine. The advantage of using HTML5 is a consistent, cross-platform UI that works well on most devices. Combining this with the native container, which is installed on-device, provides mobile users with access to local device services, such as camera, GPS, and local device storage. Native apps may offer greater flexibility in integrating with device native services. However, since hybrid applications already provide device integrations that typical enterprise applications need, this is typically less of an issue. The new Oracle ADF Mobile release is an HTML5 and Java hybrid framework that targets mobile app development to iOS and Android from one code base. So, Which is the Best Approach? The short answer is – the best choice depends on the type of application you are developing. For instance, animation-intensive apps such as games would favor native apps, while hybrid applications may be better suited for enterprise mobile apps because they provide multi-platform support. Just for starters, the following issues must be considered when choosing a development path. Application Complexity: How complex is the application? A quick app that accesses a database or Web service for some data to display? You can keep it simple, and a mobile Web app may suffice. However, for a mobile/field worker type of applications that supports mission critical functionality, hybrid or native applications are typically needed. Richness of User Interactivity: What type of user experience is required for the application? Mobile browser-based app that’s optimized for mobile UI may suffice for quick lookup or productivity type of applications. However, hybrid/native application would typically be required to deliver highly interactive user experiences needed for field-worker type of applications. For example, interactive BI charts/graphs, maps, voice/email integration, etc. In the most extreme case like gaming applications, native applications may be necessary to deliver the highly animated and graphically intensive user experience. Performance: What type of performance is required by the application functionality? For instance, for real-time look up of data over the network, mobile app performance depends on network latency and server infrastructure capabilities. If consistent performance is required, data would typically need to be cached, which is supported on hybrid or native applications only. Connectivity and Availability: What sort of connectivity will your application require? Does the app require Web access all the time in order to always retrieve the latest data from the server? Or do the requirements dictate offline support? While native and hybrid apps can be built to operate offline, Web mobile apps require Web connectivity. Multi-platform Requirements: The terms “consumerization of IT” and BYOD (bring your own device) effectively mean that the line between the consumer and the enterprise devices have become blurred. Employees are bringing their personal mobile devices to work and are often expecting that they work in the corporate network and access back-office applications. Even if companies restrict access to the big dogs: (iPad, iPhone, Android phones and tablets, possibly Windows Phone and tablets), trying to support each platform natively will require increasing resources and domain expertise with each new language/platform. And let’s not forget the maintenance costs, involved in upgrading new versions of each platform. Where multi-platform support is needed, Web mobile or hybrid apps probably have the advantage. Going native, and trying to support multiple operating systems may be cost prohibitive with existing resources and developer skills. Device-Services Access: If your app needs to access local device services, such as the camera, contacts app, accelerometer, etc., then your choices are limited to native or hybrid applications. Fragmentation: Apple controls Apple iOS and the only concern is what version iOS is running on any given device. Not so Android, which is open source. There are many, many versions and variants of Android running on different devices, which can be a nightmare for app developers trying to support different devices running different flavors of Android. (Is it an Amazon Kindle Fire? a Samsung Galaxy? A Barnes & Noble Nook?) This is a nightmare scenario for native apps—on the other hand, a mobile Web or hybrid app, when properly designed, can shield you from these complexities because they are based on common frameworks. Resources: How many developers can you dedicate to building and supporting mobile application development? What are their existing skills sets? If you’re considering native application development due to the complexity of the application under development, factor the costs of becoming proficient on a each platform’s OS and programming language. Add another platform, and that’s another language, another SDK. On the other side of the equation, Web mobile or hybrid applications are simpler to make, and readily support more platforms, but there may be performance trade-offs. Conclusion This only scratches the surface. However, I hope to have suggested some food for thought in choosing your mobile development strategy. Do your due diligence, search the Web, read up on mobile, talk to peers, attend events. The development team at Oracle is working hard on mobile technologies to help customers extend enterprise applications to mobile faster and effectively. To learn more on what Oracle has to offer, check out the Oracle ADF Mobile (hybrid) and ADF Faces/ADF Mobile browser (Web Mobile) solutions from Oracle. Additional Information Blog: ADF Blog Product Information on OTN: ADF Mobile Product Information on Oracle.com: Oracle Fusion Middleware Follow us on Twitter and Facebook Subscribe to our regular Fusion Middleware Newsletter

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SPARC T5-4 LDoms for RAC and WebLogic Clusters

- by Jeff Taylor-Oracle

I wanted to use two Oracle SPARC T5-4 servers to simultaneously host both Oracle RAC and a WebLogic Server Cluster. I chose to use Oracle VM Server for SPARC to create a cluster like this: There are plenty of trade offs and decisions that need to be made, for example: Rather than configuring the system by hand, you might want to use an Oracle SuperCluster T5-8 My configuration is similar to jsavit's: Availability Best Practices - Example configuring a T5-8 but I chose to ignore some of the advice. Maybe I should have included an alternate service domain, but I decided that I already had enough redundancy Both Oracle SPARC T5-4 servers were to be configured like this: Cntl 0.25 4 64GB App LDom 2.75 CPU's 44 cores 704 GB DB LDom One CPU 16 cores 256 GB The systems started with everything in the primary domain: # ldm list NAME STATE FLAGS CONS VCPU MEMORY UTIL NORM UPTIME primary active -n-c-- UART 512 1023G 0.0% 0.0% 11m # ldm list-spconfig factory-default [current] primary # ldm list -o core,memory,physio NAME primary CORE CID CPUSET 0 (0, 1, 2, 3, 4, 5, 6, 7) 1 (8, 9, 10, 11, 12, 13, 14, 15) 2 (16, 17, 18, 19, 20, 21, 22, 23) -- SNIP 62 (496, 497, 498, 499, 500, 501, 502, 503) 63 (504, 505, 506, 507, 508, 509, 510, 511) MEMORY RA PA SIZE 0x30000000 0x30000000 255G 0x80000000000 0x80000000000 256G 0x100000000000 0x100000000000 256G 0x180000000000 0x180000000000 256G # Give this memory block to the DB LDom IO DEVICE PSEUDONYM OPTIONS pci@300 pci_0 pci@340 pci_1 pci@380 pci_2 pci@3c0 pci_3 pci@400 pci_4 pci@440 pci_5 pci@480 pci_6 pci@4c0 pci_7 pci@300/pci@1/pci@0/pci@6 /SYS/RCSA/PCIE1 pci@300/pci@1/pci@0/pci@c /SYS/RCSA/PCIE2 pci@300/pci@1/pci@0/pci@4/pci@0/pci@c /SYS/MB/SASHBA0 pci@300/pci@1/pci@0/pci@4/pci@0/pci@8 /SYS/RIO/NET0 pci@340/pci@1/pci@0/pci@6 /SYS/RCSA/PCIE3 pci@340/pci@1/pci@0/pci@c /SYS/RCSA/PCIE4 pci@380/pci@1/pci@0/pci@a /SYS/RCSA/PCIE9 pci@380/pci@1/pci@0/pci@4 /SYS/RCSA/PCIE10 pci@3c0/pci@1/pci@0/pci@e /SYS/RCSA/PCIE11 pci@3c0/pci@1/pci@0/pci@8 /SYS/RCSA/PCIE12 pci@400/pci@1/pci@0/pci@e /SYS/RCSA/PCIE5 pci@400/pci@1/pci@0/pci@8 /SYS/RCSA/PCIE6 pci@440/pci@1/pci@0/pci@e /SYS/RCSA/PCIE7 pci@440/pci@1/pci@0/pci@8 /SYS/RCSA/PCIE8 pci@480/pci@1/pci@0/pci@a /SYS/RCSA/PCIE13 pci@480/pci@1/pci@0/pci@4 /SYS/RCSA/PCIE14 pci@4c0/pci@1/pci@0/pci@8 /SYS/RCSA/PCIE15 pci@4c0/pci@1/pci@0/pci@4 /SYS/RCSA/PCIE16 pci@4c0/pci@1/pci@0/pci@c/pci@0/pci@c /SYS/MB/SASHBA1 pci@4c0/pci@1/pci@0/pci@c/pci@0/pci@4 /SYS/RIO/NET2 Added an additional service processor configuration: # ldm add-spconfig split # ldm list-spconfig factory-default primary split [current] And removed many of the resources from the primary domain: # ldm start-reconf primary # ldm set-core 4 primary # ldm set-memory 32G primary # ldm rm-io pci@340 primary # ldm rm-io pci@380 primary # ldm rm-io pci@3c0 primary # ldm rm-io pci@400 primary # ldm rm-io pci@440 primary # ldm rm-io pci@480 primary # ldm rm-io pci@4c0 primary # init 6 Needed to add resources to the guest domains: # ldm add-domain db # ldm set-core cid=`seq -s"," 48 63` db # ldm add-memory mblock=0x180000000000:256G db # ldm add-io pci@480 db # ldm add-io pci@4c0 db # ldm add-domain app # ldm set-core 44 app # ldm set-memory 704G app # ldm add-io pci@340 app # ldm add-io pci@380 app # ldm add-io pci@3c0 app # ldm add-io pci@400 app # ldm add-io pci@440 app Needed to set up services: # ldm add-vds primary-vds0 primary # ldm add-vcc port-range=5000-5100 primary-vcc0 primary Needed to add a virtual network port for the WebLogic application domain: # ipadm NAME CLASS/TYPE STATE UNDER ADDR lo0 loopback ok -- -- lo0/v4 static ok -- ... lo0/v6 static ok -- ... net0 ip ok -- ... net0/v4 static ok -- xxx.xxx.xxx.xxx/24 net0/v6 addrconf ok -- .... net0/v6 addrconf ok -- ... net8 ip ok -- -- net8/v4 static ok -- ... # dladm show-phys LINK MEDIA STATE SPEED DUPLEX DEVICE net1 Ethernet unknown 0 unknown ixgbe1 net0 Ethernet up 1000 full ixgbe0 net8 Ethernet up 10 full usbecm2 # ldm add-vsw net-dev=net0 primary-vsw0 primary # ldm add-vnet vnet1 primary-vsw0 app Needed to add a virtual disk to the WebLogic application domain: # format Searching for disks...done AVAILABLE DISK SELECTIONS: 0. c0t5000CCA02505F874d0 <HITACHI-H106060SDSUN600G-A2B0-558.91GB> /scsi_vhci/disk@g5000cca02505f874 /dev/chassis/SPARC_T5-4.AK00084038/SYS/SASBP0/HDD0/disk 1. c0t5000CCA02506C468d0 <HITACHI-H106060SDSUN600G-A2B0-558.91GB> /scsi_vhci/disk@g5000cca02506c468 /dev/chassis/SPARC_T5-4.AK00084038/SYS/SASBP0/HDD1/disk 2. c0t5000CCA025067E5Cd0 <HITACHI-H106060SDSUN600G-A2B0-558.91GB> /scsi_vhci/disk@g5000cca025067e5c /dev/chassis/SPARC_T5-4.AK00084038/SYS/SASBP0/HDD2/disk 3. c0t5000CCA02506C258d0 <HITACHI-H106060SDSUN600G-A2B0-558.91GB> /scsi_vhci/disk@g5000cca02506c258 /dev/chassis/SPARC_T5-4.AK00084038/SYS/SASBP0/HDD3/disk Specify disk (enter its number): ^C # ldm add-vdsdev /dev/dsk/c0t5000CCA02506C468d0s2 HDD1@primary-vds0 # ldm add-vdisk HDD1 HDD1@primary-vds0 app Add some additional spice to the pot: # ldm set-variable auto-boot\\?=false db # ldm set-variable auto-boot\\?=false app # ldm set-var boot-device=HDD1 app Bind the logical domains: # ldm bind db # ldm bind app At the end of the process, the system is set up like this: # ldm list -o core,memory,physio NAME primary CORE CID CPUSET 0 (0, 1, 2, 3, 4, 5, 6, 7) 1 (8, 9, 10, 11, 12, 13, 14, 15) 2 (16, 17, 18, 19, 20, 21, 22, 23) 3 (24, 25, 26, 27, 28, 29, 30, 31) MEMORY RA PA SIZE 0x30000000 0x30000000 32G IO DEVICE PSEUDONYM OPTIONS pci@300 pci_0 pci@300/pci@1/pci@0/pci@6 /SYS/RCSA/PCIE1 pci@300/pci@1/pci@0/pci@c /SYS/RCSA/PCIE2 pci@300/pci@1/pci@0/pci@4/pci@0/pci@c /SYS/MB/SASHBA0 pci@300/pci@1/pci@0/pci@4/pci@0/pci@8 /SYS/RIO/NET0 ------------------------------------------------------------------------------ NAME app CORE CID CPUSET 4 (32, 33, 34, 35, 36, 37, 38, 39) 5 (40, 41, 42, 43, 44, 45, 46, 47) 6 (48, 49, 50, 51, 52, 53, 54, 55) 7 (56, 57, 58, 59, 60, 61, 62, 63) 8 (64, 65, 66, 67, 68, 69, 70, 71) 9 (72, 73, 74, 75, 76, 77, 78, 79) 10 (80, 81, 82, 83, 84, 85, 86, 87) 11 (88, 89, 90, 91, 92, 93, 94, 95) 12 (96, 97, 98, 99, 100, 101, 102, 103) 13 (104, 105, 106, 107, 108, 109, 110, 111) 14 (112, 113, 114, 115, 116, 117, 118, 119) 15 (120, 121, 122, 123, 124, 125, 126, 127) 16 (128, 129, 130, 131, 132, 133, 134, 135) 17 (136, 137, 138, 139, 140, 141, 142, 143) 18 (144, 145, 146, 147, 148, 149, 150, 151) 19 (152, 153, 154, 155, 156, 157, 158, 159) 20 (160, 161, 162, 163, 164, 165, 166, 167) 21 (168, 169, 170, 171, 172, 173, 174, 175) 22 (176, 177, 178, 179, 180, 181, 182, 183) 23 (184, 185, 186, 187, 188, 189, 190, 191) 24 (192, 193, 194, 195, 196, 197, 198, 199) 25 (200, 201, 202, 203, 204, 205, 206, 207) 26 (208, 209, 210, 211, 212, 213, 214, 215) 27 (216, 217, 218, 219, 220, 221, 222, 223) 28 (224, 225, 226, 227, 228, 229, 230, 231) 29 (232, 233, 234, 235, 236, 237, 238, 239) 30 (240, 241, 242, 243, 244, 245, 246, 247) 31 (248, 249, 250, 251, 252, 253, 254, 255) 32 (256, 257, 258, 259, 260, 261, 262, 263) 33 (264, 265, 266, 267, 268, 269, 270, 271) 34 (272, 273, 274, 275, 276, 277, 278, 279) 35 (280, 281, 282, 283, 284, 285, 286, 287) 36 (288, 289, 290, 291, 292, 293, 294, 295) 37 (296, 297, 298, 299, 300, 301, 302, 303) 38 (304, 305, 306, 307, 308, 309, 310, 311) 39 (312, 313, 314, 315, 316, 317, 318, 319) 40 (320, 321, 322, 323, 324, 325, 326, 327) 41 (328, 329, 330, 331, 332, 333, 334, 335) 42 (336, 337, 338, 339, 340, 341, 342, 343) 43 (344, 345, 346, 347, 348, 349, 350, 351) 44 (352, 353, 354, 355, 356, 357, 358, 359) 45 (360, 361, 362, 363, 364, 365, 366, 367) 46 (368, 369, 370, 371, 372, 373, 374, 375) 47 (376, 377, 378, 379, 380, 381, 382, 383) MEMORY RA PA SIZE 0x30000000 0x830000000 192G 0x4000000000 0x80000000000 256G 0x8080000000 0x100000000000 256G IO DEVICE PSEUDONYM OPTIONS pci@340 pci_1 pci@380 pci_2 pci@3c0 pci_3 pci@400 pci_4 pci@440 pci_5 pci@340/pci@1/pci@0/pci@6 /SYS/RCSA/PCIE3 pci@340/pci@1/pci@0/pci@c /SYS/RCSA/PCIE4 pci@380/pci@1/pci@0/pci@a /SYS/RCSA/PCIE9 pci@380/pci@1/pci@0/pci@4 /SYS/RCSA/PCIE10 pci@3c0/pci@1/pci@0/pci@e /SYS/RCSA/PCIE11 pci@3c0/pci@1/pci@0/pci@8 /SYS/RCSA/PCIE12 pci@400/pci@1/pci@0/pci@e /SYS/RCSA/PCIE5 pci@400/pci@1/pci@0/pci@8 /SYS/RCSA/PCIE6 pci@440/pci@1/pci@0/pci@e /SYS/RCSA/PCIE7 pci@440/pci@1/pci@0/pci@8 /SYS/RCSA/PCIE8 ------------------------------------------------------------------------------ NAME db CORE CID CPUSET 48 (384, 385, 386, 387, 388, 389, 390, 391) 49 (392, 393, 394, 395, 396, 397, 398, 399) 50 (400, 401, 402, 403, 404, 405, 406, 407) 51 (408, 409, 410, 411, 412, 413, 414, 415) 52 (416, 417, 418, 419, 420, 421, 422, 423) 53 (424, 425, 426, 427, 428, 429, 430, 431) 54 (432, 433, 434, 435, 436, 437, 438, 439) 55 (440, 441, 442, 443, 444, 445, 446, 447) 56 (448, 449, 450, 451, 452, 453, 454, 455) 57 (456, 457, 458, 459, 460, 461, 462, 463) 58 (464, 465, 466, 467, 468, 469, 470, 471) 59 (472, 473, 474, 475, 476, 477, 478, 479) 60 (480, 481, 482, 483, 484, 485, 486, 487) 61 (488, 489, 490, 491, 492, 493, 494, 495) 62 (496, 497, 498, 499, 500, 501, 502, 503) 63 (504, 505, 506, 507, 508, 509, 510, 511) MEMORY RA PA SIZE 0x80000000 0x180000000000 256G IO DEVICE PSEUDONYM OPTIONS pci@480 pci_6 pci@4c0 pci_7 pci@480/pci@1/pci@0/pci@a /SYS/RCSA/PCIE13 pci@480/pci@1/pci@0/pci@4 /SYS/RCSA/PCIE14 pci@4c0/pci@1/pci@0/pci@8 /SYS/RCSA/PCIE15 pci@4c0/pci@1/pci@0/pci@4 /SYS/RCSA/PCIE16 pci@4c0/pci@1/pci@0/pci@c/pci@0/pci@c /SYS/MB/SASHBA1 pci@4c0/pci@1/pci@0/pci@c/pci@0/pci@4 /SYS/RIO/NET2 Start the domains: # ldm start app LDom app started # ldm start db LDom db started Make sure to start the vntsd service that was created, above. # svcs -a | grep ldo disabled 8:38:38 svc:/ldoms/vntsd:default online 8:38:58 svc:/ldoms/agents:default online 8:39:25 svc:/ldoms/ldmd:default # svcadm enable vntsd Now use the MAC address to configure the Solaris 11 Automated Installation. Database Logical Domain # telnet localhost 5000 {0} ok devalias screen /pci@4c0/pci@1/pci@0/pci@c/pci@0/pci@7/display@0 disk7 /pci@4c0/pci@1/pci@0/pci@c/pci@0/pci@c/scsi@0/disk@p3 disk6 /pci@4c0/pci@1/pci@0/pci@c/pci@0/pci@c/scsi@0/disk@p2 disk5 /pci@4c0/pci@1/pci@0/pci@c/pci@0/pci@c/scsi@0/disk@p1 disk4 /pci@4c0/pci@1/pci@0/pci@c/pci@0/pci@c/scsi@0/disk@p0 scsi1 /pci@4c0/pci@1/pci@0/pci@c/pci@0/pci@c/scsi@0 net3 /pci@4c0/pci@1/pci@0/pci@c/pci@0/pci@4/network@0,1 net2 /pci@4c0/pci@1/pci@0/pci@c/pci@0/pci@4/network@0 virtual-console /virtual-devices/console@1 name aliases {0} ok boot net2 Boot device: /pci@4c0/pci@1/pci@0/pci@c/pci@0/pci@4/network@0 File and args: 1000 Mbps full duplex Link up Requesting Internet Address for xx:xx:xx:xx:xx:xx Requesting Internet Address for xx:xx:xx:xx:xx:xx WLS Logical Domain # telnet localhost 5001 {0} ok devalias hdd1 /virtual-devices@100/channel-devices@200/disk@0 vnet1 /virtual-devices@100/channel-devices@200/network@0 net /virtual-devices@100/channel-devices@200/network@0 disk /virtual-devices@100/channel-devices@200/disk@0 virtual-console /virtual-devices/console@1 name aliases {0} ok boot net Boot device: /virtual-devices@100/channel-devices@200/network@0 File and args: Requesting Internet Address for xx:xx:xx:xx:xx:xx Requesting Internet Address for xx:xx:xx:xx:xx:xx Repeat the process for the second SPARC T5-4, install Solaris, RAC and WebLogic Cluster, and you are ready to go. Maybe buying a SuperCluster would have been easier.

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Can't get my head around background workers in .NET

- by Connel

I have wrote an application that syncs two folders together. The problem with the program is that it stops responding whilst copying files. A quick search of stack-overflow told me I need to use something called a background worker. I have read a few pages on the net about this but find it really hard to understand as I'm pretty new to programming. Below is the code for my application - how can I simply put all of the File.Copy(....) commands into their own background worker (if that's even how it works)? Below is the code for the button click event that runs the sub procedure and the sub procedure I wish to use a background worker on all the File.Copy lines. Button event: protected virtual void OnBtnSyncClicked (object sender, System.EventArgs e) { //sets running boolean to true booRunning=true; //sets progress bar to 0 prgProgressBar.Fraction = 0; //resets values used by progressbar dblCurrentStatus = 0; dblFolderSize = 0; //tests if user has entered the same folder for both target and destination if (fchDestination.CurrentFolder == fchTarget.CurrentFolder) { //creates message box MessageDialog msdSame = new MessageDialog(this, DialogFlags.Modal, MessageType.Error, ButtonsType.Close, "You cannot sync two folders that are the same"); //sets message box title msdSame.Title="Error"; //sets respone type ResponseType response = (ResponseType) msdSame.Run(); //if user clicks on close button or closes window then close message box if (response == ResponseType.Close || response == ResponseType.DeleteEvent) { msdSame.Destroy(); } return; } //tests if user has entered a target folder that is an extension of the destination folder // or if user has entered a desatination folder that is an extension of the target folder if (fchTarget.CurrentFolder.StartsWith(fchDestination.CurrentFolder) || fchDestination.CurrentFolder.StartsWith(fchTarget.CurrentFolder)) { //creates message box MessageDialog msdContains = new MessageDialog(this, DialogFlags.Modal, MessageType.Error, ButtonsType.Close, "You cannot sync a folder with one of its parent folders"); //sets message box title msdContains.Title="Error"; //sets respone type and runs message box ResponseType response = (ResponseType) msdContains.Run(); //if user clicks on close button or closes window then close message box if (response == ResponseType.Close || response == ResponseType.DeleteEvent) { msdContains.Destroy(); } return; } //gets folder size of target folder FileSizeOfTarget(fchTarget.CurrentFolder); //gets folder size of destination folder FileSizeOfDestination(fchDestination.CurrentFolder); //runs SyncTarget procedure SyncTarget(fchTarget.CurrentFolder); //runs SyncDestination procedure SyncDestination(fchDestination.CurrentFolder); //informs user process is complete prgProgressBar.Text = "Finished"; //sets running bool to false booRunning = false; } Sync sub-procedure: protected void SyncTarget (string strCurrentDirectory) { //string array of all the directories in directory string[] staAllDirectories = Directory.GetDirectories(strCurrentDirectory); //string array of all the files in directory string[] staAllFiles = Directory.GetFiles(strCurrentDirectory); //loop over each file in directory foreach (string strFile in staAllFiles) { //string of just the file's name and not its path string strFileName = System.IO.Path.GetFileName(strFile); //string containing directory in target folder string strDirectoryInsideTarget = System.IO.Path.GetDirectoryName(strFile).Substring(fchTarget.CurrentFolder.Length); //inform user as to what file is being copied prgProgressBar.Text="Syncing " + strFile; //tests if file does not exist in destination folder if (!File.Exists(fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget + "/" + strFileName)) { //if file does not exist copy it to destination folder, the true below means overwrite if file already exists File.Copy (strFile, fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget + "/" + strFileName, true); } //tests if file does exist in destination folder if (File.Exists(fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget + "/" + strFileName)) { //long (number) that contains date of last write time of target file long lngTargetFileDate = File.GetLastWriteTime(strFile).ToFileTime(); //long (number) that contains date of last write time of destination file long lngDestinationFileDate = File.GetLastWriteTime(fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget + "/" + strFileName).ToFileTime(); //tests if target file is newer than destination file if (lngTargetFileDate > lngDestinationFileDate) { //if it is newer then copy file from target folder to destination folder File.Copy (strFile, fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget + "/" + strFileName, true); } } //gets current file size FileInfo FileSize = new FileInfo(strFile); //sets file's filesize to dblCurrentStatus and adds it to current total of files dblCurrentStatus = dblCurrentStatus + FileSize.Length; double dblPercentage = dblCurrentStatus/dblFolderSize; prgProgressBar.Fraction = dblPercentage; } //loop over each folder in target folder foreach (string strDirectory in staAllDirectories) { //string containing directories inside target folder but not any higher directories string strDirectoryInsideTarget = strDirectory.Substring(fchTarget.CurrentFolder.Length); //tests if directory does not exist inside destination folder if (!Directory.Exists(fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget)) { //it directory does not exisit create it Directory.CreateDirectory(fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget); } //run sync on all files in directory SyncTarget(strDirectory); } } Any help will be greatly appreciated as after this the program will pretty much be finished :D

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Can't get my head arround background workers in c#

- by Connel

I have wrote an application that syncs two folders together. The problem with the program is that it stops responding whilst copying files. A quick search of stack-overflow told me I need to use something called a background worker. I have read a few pages on the net about this but find it really hard to understand as I'm pretty new to programming. Below is the code for my application - how can I simply put all of the File.Copy(....) commands into their own background worker (if that's even how it works)? Below is the code for the button click event that runs the sub procedure and the sub procedure I wish to use a background worker on all the File.Copy lines. Button event: protected virtual void OnBtnSyncClicked (object sender, System.EventArgs e) { //sets running boolean to true booRunning=true; //sets progress bar to 0 prgProgressBar.Fraction = 0; //resets values used by progressbar dblCurrentStatus = 0; dblFolderSize = 0; //tests if user has entered the same folder for both target and destination if (fchDestination.CurrentFolder == fchTarget.CurrentFolder) { //creates message box MessageDialog msdSame = new MessageDialog(this, DialogFlags.Modal, MessageType.Error, ButtonsType.Close, "You cannot sync two folders that are the same"); //sets message box title msdSame.Title="Error"; //sets respone type ResponseType response = (ResponseType) msdSame.Run(); //if user clicks on close button or closes window then close message box if (response == ResponseType.Close || response == ResponseType.DeleteEvent) { msdSame.Destroy(); } return; } //tests if user has entered a target folder that is an extension of the destination folder // or if user has entered a desatination folder that is an extension of the target folder if (fchTarget.CurrentFolder.StartsWith(fchDestination.CurrentFolder) || fchDestination.CurrentFolder.StartsWith(fchTarget.CurrentFolder)) { //creates message box MessageDialog msdContains = new MessageDialog(this, DialogFlags.Modal, MessageType.Error, ButtonsType.Close, "You cannot sync a folder with one of its parent folders"); //sets message box title msdContains.Title="Error"; //sets respone type and runs message box ResponseType response = (ResponseType) msdContains.Run(); //if user clicks on close button or closes window then close message box if (response == ResponseType.Close || response == ResponseType.DeleteEvent) { msdContains.Destroy(); } return; } //gets folder size of target folder FileSizeOfTarget(fchTarget.CurrentFolder); //gets folder size of destination folder FileSizeOfDestination(fchDestination.CurrentFolder); //runs SyncTarget procedure SyncTarget(fchTarget.CurrentFolder); //runs SyncDestination procedure SyncDestination(fchDestination.CurrentFolder); //informs user process is complete prgProgressBar.Text = "Finished"; //sets running bool to false booRunning = false; } Sync sub-procedure: protected void SyncTarget (string strCurrentDirectory) { //string array of all the directories in directory string[] staAllDirectories = Directory.GetDirectories(strCurrentDirectory); //string array of all the files in directory string[] staAllFiles = Directory.GetFiles(strCurrentDirectory); //loop over each file in directory foreach (string strFile in staAllFiles) { //string of just the file's name and not its path string strFileName = System.IO.Path.GetFileName(strFile); //string containing directory in target folder string strDirectoryInsideTarget = System.IO.Path.GetDirectoryName(strFile).Substring(fchTarget.CurrentFolder.Length); //inform user as to what file is being copied prgProgressBar.Text="Syncing " + strFile; //tests if file does not exist in destination folder if (!File.Exists(fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget + "/" + strFileName)) { //if file does not exist copy it to destination folder, the true below means overwrite if file already exists File.Copy (strFile, fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget + "/" + strFileName, true); } //tests if file does exist in destination folder if (File.Exists(fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget + "/" + strFileName)) { //long (number) that contains date of last write time of target file long lngTargetFileDate = File.GetLastWriteTime(strFile).ToFileTime(); //long (number) that contains date of last write time of destination file long lngDestinationFileDate = File.GetLastWriteTime(fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget + "/" + strFileName).ToFileTime(); //tests if target file is newer than destination file if (lngTargetFileDate > lngDestinationFileDate) { //if it is newer then copy file from target folder to destination folder File.Copy (strFile, fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget + "/" + strFileName, true); } } //gets current file size FileInfo FileSize = new FileInfo(strFile); //sets file's filesize to dblCurrentStatus and adds it to current total of files dblCurrentStatus = dblCurrentStatus + FileSize.Length; double dblPercentage = dblCurrentStatus/dblFolderSize; prgProgressBar.Fraction = dblPercentage; } //loop over each folder in target folder foreach (string strDirectory in staAllDirectories) { //string containing directories inside target folder but not any higher directories string strDirectoryInsideTarget = strDirectory.Substring(fchTarget.CurrentFolder.Length); //tests if directory does not exist inside destination folder if (!Directory.Exists(fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget)) { //it directory does not exisit create it Directory.CreateDirectory(fchDestination.CurrentFolder + "/" + strDirectoryInsideTarget); } //run sync on all files in directory SyncTarget(strDirectory); } } Any help will be greatly appreciated as after this the program will pretty much be finished :D

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Can Python directory names be keywords? E.g. 'import'?

- by Mark Schmit

Am I allowed to have a directory named 'import' containing Python code? Or will the import command fail to parse it as a result? Is there any way around that?

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How do I stop Sophos anti virus from scanning directories that are under source control

- by user26453

From googling it seems its well known that SophosAV as well as other AV programs have issues with how they interact and can inhibit source control utilities like TortoiseHG or TortoiseSVN. One solution is to exclude directories under source control from on-access scanning as detailed here on Sophos's support site. There is a corollary article that mentions some issues related to this, namely the need to place multiple entries for exclusions based on the possibility of the location being accessed through the short vs. long name (e.g., Progra~1 vs. "Program Files"). One other twist is I am using a junction to relocate my user directory, C:\Users\Username, to a second hard drive, E:. Since I am not sure how this interacts I have included the source control directory as they are nested in both locations. As a result, I have included the two exclusions for the on-access scanning exclusions (and to be on the safe side on-demand exclusions as well, although this should only come into play when I select a parent directory of the exclusion to be scanned on-demand, but still). You'll notice I have no need to add extra exclusions for those locations based on short vs. long name distinctions. The two exclusion I have then, for both on-access and on-demand scanning exclusions are: C:\Users\Username\source-control-directory E:\source-control-directory However, this does not seem to work as TortoiseHG still lags terribly in response to any request as AV software starts scanning when the directory is accessed via TortoiseHG. I can verify without a doubt that Sophos is causing the problems: I can completely disable on-access scanning. Once this is done TortoiseHG responds very fast to all operations. I cannot leave this disabled obviously, but since the exclusion don't seem to be working, what next?

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How is htop "Swp" calculated?

- by Thomas

When I run htop (on OS X 10.6.8), I see something like this : 1 [||||||| 20.0%] Tasks: 70 total, 0 running 2 [||| 7.2%] Load average: 1.11 0.79 0.64 3 [|||||||||||||||||||||||||||81.3%] Uptime: 00:30:42 4 [|| 5.8%] Mem[|||||||||||||||||||||3872/4096MB] Swp[ 0/0MB] PID USER PRI NI VIRT RES SHR S CPU% MEM% TIME+ Command 284 501 57 0 15.3G 1064M 0 S 0.0 6.5 0:01.26 /Applications/Firefox.app/Contents/MacOS/firefox -psn_0_90134 437 501 57 0 14.8G 785M 0 S 0.0 4.8 0:00.18 /Applications/Thunderbird.app/Contents/MacOS/thunderbird -psn_0_114716 428 501 63 0 12.8G 351M 0 S 1.0 2.1 0:00.51 /Applications/Firefox.app/Contents/MacOS/plugin-container.app/Contents/MacOS/ 696 501 63 0 11.7G 175M 0 S 0.0 1.1 0:00.02 /System/Library/Frameworks/QuickLook.framework/Resources/quicklookd.app/Conte 38 0 33 0 11.1G 422M 0 S 0.0 2.6 0:00.59 /System/Library/Frameworks/CoreServices.framework/Frameworks/Metadata.framewo 183 501 48 0 10.9G 137M 0 S 0.0 0.8 0:00.03 /System/Library/CoreServices/Finder.app/Contents/MacOS/Finder How can I have Processes using Gigabytes of VIRT memory and still 0MB of Swap used ?

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Last (I think and hope) problems configuring SSL certificate with Apache and VirtualHosts

- by user65567

Finally I set apache2 to get a single certificate for all subdomains. [...] # Go ahead and accept connections for these vhosts # from non-SNI clients SSLStrictSNIVHostCheck off # Apache setup which will listen for and accept SSL connections on port 443. Listen 443 # Listen for virtual host requests on all IP addresses NameVirtualHost *:443 # Because this virtual host is defined first, it will # be used as the default if the hostname is not received # in the SSL handshake, e.g. if the browser doesn't support # SNI. <VirtualHost *:443> ServerName domain.localhost DocumentRoot "/Users/<my_user_name>/Sites/domain/public" <Directory "/Users/<my_user_name>/Sites/domain/public"> Order allow,deny Allow from all </Directory> # SSL Configuration SSLEngine on ... </VirtualHost> <VirtualHost *:443> ServerName subdomain1.domain.localhost DocumentRoot "/Users/<my_user_name>/Sites/subdomain1/public" <Directory "/Users/<my_user_name>/Sites/subdomain1/public"> Order allow,deny Allow from all </Directory> # SSL Configuration SSLEngine on ... </VirtualHost> <VirtualHost *:443> ServerName subdomain2.domain.localhost DocumentRoot "/Users/<my_user_name>/Sites/subdomain2/public" <Directory "/Users/<my_user_name>/Sites/subdomain2/public"> Order allow,deny Allow from all </Directory> # SSL Configuration SSLEngine on ... </VirtualHost> So, for example, I can correctly access https://subdomain1.domain.localhost https://subdomain2.domain.localhost ... Now, anyway, I have problems on accessing http://subdomain1.domain.localhost http://subdomain2.domain.localhost ... Since I use a Mac Os, on accessing the "http: version", I get a default page "Your website." (instead of a error). Why does it happen?

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Hudson Mercurial checkout throws exception on Debian

- by Jack

I'm trying to configure Hudson to checkout my site's sources from Mercurial but it throws an exception. The /var/lib/hudson/jobs/jobname directory does exist, and I can create a workspace directory in there (even after su hudson), but as soon as I run the Hudson job again this directory disappears and the job ends with the same error: java.io.IOException: Cannot run program "hg" (in directory "/var/lib/hudson/jobs/jobname/workspace"): java.io.IOException: error=2, No such file or directory at java.lang.ProcessBuilder.start(ProcessBuilder.java:460) at hudson.Proc$LocalProc.<init>(Proc.java:192) at hudson.Proc$LocalProc.<init>(Proc.java:164) at hudson.Launcher$LocalLauncher.launch(Launcher.java:639) at hudson.Launcher$ProcStarter.start(Launcher.java:274) at hudson.Launcher$ProcStarter.join(Launcher.java:281) at hudson.plugins.mercurial.MercurialSCM.joinWithPossibleTimeout(MercurialSCM.java:298) at hudson.plugins.mercurial.HgExe.popen(HgExe.java:191) at hudson.plugins.mercurial.HgExe.tip(HgExe.java:171) at hudson.plugins.mercurial.MercurialSCM.calcRevisionsFromBuild(MercurialSCM.java:254) at hudson.scm.SCM._calcRevisionsFromBuild(SCM.java:304) at hudson.model.AbstractProject.calcPollingBaseline(AbstractProject.java:1183) at hudson.model.AbstractProject.checkout(AbstractProject.java:1172) at hudson.model.AbstractBuild$AbstractRunner.checkout(AbstractBuild.java:499) at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:415) at hudson.model.Run.run(Run.java:1362) at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46) at hudson.model.ResourceController.execute(ResourceController.java:88) at hudson.model.Executor.run(Executor.java:145) Caused by: java.io.IOException: java.io.IOException: error=2, No such file or directory at java.lang.UNIXProcess.<init>(UNIXProcess.java:148) at java.lang.ProcessImpl.start(ProcessImpl.java:65) at java.lang.ProcessBuilder.start(ProcessBuilder.java:453) Running on Debian 6.0.1 I wonder if anyone has ran into this before, and hopefully solved it?

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How to stop SophosAV from scanning directories under source control

- by user26453

From googling it seems its well known that SophosAV as well as other AV programs have issues with how they interact and can inhibit source control utilities like TortoiseHG or TortoiseSVN. One solution is to exclude directories under source control from on-access scanning as detailed here on Sophos's support site. There is a corollary article that mentions some issues related to this, namely need to place multiple entries for exclusions based on the possibility of the location being accessed through the short vs. long name (e.g., Progra~1 vs. "Program Files"). One other twist is I am using a junction to relocate my user directory, C:\Users\Username, to a second hard drive, E:. Since I am not sure how this interacts I have included the source control directory as they are nested in both locations. As a result, I have included the two exclusions for the on-access scanning exclusions (and to be on the safe side on-demand exclusions as well, although this should only come into play when I select a parent directory of the exclusion to be scanned on-demand, but still). You'll notice I have no need to add extra exclusions for those locations based on short vs. long name distinctions. The two exclusion I have then, for both on-access and on-demand scanning exclusions are: C:\Users\Username\source-control-directory E:\source-control-directory However, this does not seem to work as TortoiseHG still lags terribly in response to any request as AV software starts scanning when the directory is accessed via TortoiseHG. I can verify without a doubt that Sophos is causing the problems: I can completely disable on-access scanning. Once this is done TortoiseHG responds very fast to all operations. I cannot leave this disabled obviously, but since the exclusion don't seem to be working, what next?

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Fedora 16 can connect to samba share using smbclient but not in nautilus 3.2.1

- by Nathan Jones

I have a machine running Ubuntu 11.10 Server acting as a Samba server to share my home directory. Everything works fine on my Windows 7 machine, but on my Fedora 16 laptop, if I use Nautilus to try to access the share using smb://192.168.0.8/nathan in the location bar, it just has the loading cursor and does nothing. It never shows any errors, nothing. Using smbclient works just fine, but I'd like to get it working in Nautilus. I know that there can be problems with SELinux and Samba, so I created a file called booleans.local that contains samba_enable_home_dirs=1. My smb.conf file looks like this: # For Unix password sync to work on a Debian GNU/Linux system, the following # parameters must be set (thanks to Ian Kahan <<[email protected]> for # sending the correct chat script for the passwd program in Debian Sarge). passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . # This boolean controls whether PAM will be used for password changes # when requested by an SMB client instead of the program listed in # 'passwd program'. The default is 'no'. pam password change = yes # This option controls how unsuccessful authentication attempts are mapped # to anonymous connections map to guest = bad user ########## Domains ########### # Is this machine able to authenticate users. Both PDC and BDC # must have this setting enabled. If you are the BDC you must # change the 'domain master' setting to no # ; domain logons = yes # # The following setting only takes effect if 'domain logons' is set # It specifies the location of the user's profile directory # from the client point of view) # The following required a [profiles] share to be setup on the # samba server (see below) ; logon path = \\%N\profiles\%U # Another common choice is storing the profile in the user's home directory # (this is Samba's default) # logon path = \\%N\%U\profile # The following setting only takes effect if 'domain logons' is set # It specifies the location of a user's home directory (from the client # point of view) ; logon drive = H: # logon home = \\%N\%U # The following setting only takes effect if 'domain logons' is set # It specifies the script to run during logon. The script must be stored # in the [netlogon] share # NOTE: Must be store in 'DOS' file format convention ; logon script = logon.cmd # This allows Unix users to be created on the domain controller via the SAMR # RPC pipe. The example command creates a user account with a disabled Unix # password; please adapt to your needs ; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos "" %u # This allows machine accounts to be created on the domain controller via the # SAMR RPC pipe. # The following assumes a "machines" group exists on the system ; add machine script = /usr/sbin/useradd -g machines -c "%u machine account" -d /var/lib/samba -s /bin/false %u # This allows Unix groups to be created on the domain controller via the SAMR # RPC pipe. ; add group script = /usr/sbin/addgroup --force-badname %g ########## Printing ########## # If you want to automatically load your printer list rather # than setting them up individually then you'll need this # load printers = yes # lpr(ng) printing. You may wish to override the location of the # printcap file ; printing = bsd ; printcap name = /etc/printcap # CUPS printing. See also the cupsaddsmb(8) manpage in the # cupsys-client package. ; printing = cups ; printcap name = cups ############ Misc ############ # Using the following line enables you to customise your configuration # on a per machine basis. The %m gets replaced with the netbios name # of the machine that is connecting ; include = /home/samba/etc/smb.conf.%m # Most people will find that this option gives better performance. # See smb.conf(5) and /usr/share/doc/samba-doc/htmldocs/Samba3-HOWTO/speed.html # for details # You may want to add the following on a Linux system: # SO_RCVBUF=8192 SO_SNDBUF=8192 # socket options = TCP_NODELAY # The following parameter is useful only if you have the linpopup package # installed. The samba maintainer and the linpopup maintainer are # working to ease installation and configuration of linpopup and samba. ; message command = /bin/sh -c '/usr/bin/linpopup "%f" "%m" %s; rm %s' & # Domain Master specifies Samba to be the Domain Master Browser. If this # machine will be configured as a BDC (a secondary logon server), you # must set this to 'no'; otherwise, the default behavior is recommended. # domain master = auto # Some defaults for winbind (make sure you're not using the ranges # for something else.) ; idmap uid = 10000-20000 ; idmap gid = 10000-20000 ; template shell = /bin/bash # The following was the default behaviour in sarge, # but samba upstream reverted the default because it might induce # performance issues in large organizations. # See Debian bug #368251 for some of the consequences of *not* # having this setting and smb.conf(5) for details. ; winbind enum groups = yes ; winbind enum users = yes # Setup usershare options to enable non-root users to share folders # with the net usershare command. # Maximum number of usershare. 0 (default) means that usershare is disabled. ; usershare max shares = 100 # Allow users who've been granted usershare privileges to create # public shares, not just authenticated ones usershare allow guests = yes #======================= Share Definitions ======================= # Un-comment the following (and tweak the other settings below to suit) # to enable the default home directory shares. This will share each # user's home director as \\server\username [homes] comment = Home Directories browseable = yes # By default, the home directories are exported read-only. Change the # next parameter to 'no' if you want to be able to write to them. read only = no # File creation mask is set to 0700 for security reasons. If you want to # create files with group=rw permissions, set next parameter to 0775. ; create mask = 0775 # Directory creation mask is set to 0700 for security reasons. If you want to # create dirs. with group=rw permissions, set next parameter to 0775. ; directory mask = 0775 # By default, \\server\username shares can be connected to by anyone # with access to the samba server. Un-comment the following parameter # to make sure that only "username" can connect to \\server\username # The following parameter makes sure that only "username" can connect # # This might need tweaking when using external authentication schemes valid users = %S # Un-comment the following and create the netlogon directory for Domain Logons # (you need to configure Samba to act as a domain controller too.) ;[netlogon] ; comment = Network Logon Service ; path = /home/samba/netlogon ; guest ok = yes ; read only = yes # Un-comment the following and create the profiles directory to store # users profiles (see the "logon path" option above) # (you need to configure Samba to act as a domain controller too.) # The path below should be writable by all users so that their # profile directory may be created the first time they log on ;[profiles] ; comment = Users profiles ; path = /home/samba/profiles ; guest ok = no ; browseable = no ; create mask = 0600 ; directory mask = 0700 [printers] comment = All Printers browseable = no path = /var/spool/samba printable = yes guest ok = no read only = no create mask = 0700 # Windows clients look for this share name as a source of downloadable # printer drivers [print$] comment = Printer Drivers path = /var/lib/samba/printers browseable = yes read only = yes guest ok = no # Uncomment to allow remote administration of Windows print drivers. # You may need to replace 'lpadmin' with the name of the group your # admin users are members of. # Please note that you also need to set appropriate Unix permissions # to the drivers directory for these users to have write rights in it ; write list = root, @lpadmin # A sample share for sharing your CD-ROM with others. ;[cdrom] ; comment = Samba server's CD-ROM ; read only = yes ; locking = no ; path = /cdrom ; guest ok = yes # The next two parameters show how to auto-mount a CD-ROM when the # cdrom share is accesed. For this to work /etc/fstab must contain # an entry like this: # # /dev/scd0 /cdrom iso9660 defaults,noauto,ro,user 0 0 # # The CD-ROM gets unmounted automatically after the connection to the # # If you don't want to use auto-mounting/unmounting make sure the CD # is mounted on /cdrom # ; preexec = /bin/mount /cdrom ; postexec = /bin/umount /cdrom smbusers: <nathan> = <"nathan"> Any help would be very much appreciated! Thanks!

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MemCache-repcached compile error

- by Ramy Allam

I'm trying to install [memcached-1.2.8-repcached-2.2.1]( http://sourceforge.net/projects/repcached/files/latest/download?source=files) And I have the following error after running the make command: make all-recursive make[1]: Entering directory `/usr/local/src/pro/memcached-1.2.8-repcached-2.2.1' Making all in doc make[2]: Entering directory `/usr/local/src/pro/memcached-1.2.8-repcached-2.2.1/doc' make[2]: Nothing to be done for `all'. make[2]: Leaving directory `/usr/local/src/pro/memcached-1.2.8-repcached-2.2.1/doc' make[2]: Entering directory `/usr/local/src/pro/memcached-1.2.8-repcached-2.2.1' gcc -DHAVE_CONFIG_H -I. -DNDEBUG -g -O2 -MT memcached-memcached.o -MD -MP -MF .d eps/memcached-memcached.Tpo -c -o memcached-memcached.o test -f 'memcached.c' || echo './'memcached.c memcached.c: In function ‘add_iov’: memcached.c:697: error: ‘IOV_MAX’ undeclared (first use in this function) memcached.c:697: error: (Each undeclared identifier is reported only once memcached.c:697: error: for each function it appears in.) make[2]: * [memcached-memcached.o] Error 1 make[2]: Leaving directory `/usr/local/src/pro/memcached-1.2.8-repcached-2.2.1' make[1]: * [all-recursive] Error 1 make[1]: Leaving directory `/usr/local/src/pro/memcached-1.2.8-repcached-2.2.1' make: * [all] Error 2 OS : Centos5.7 64bit gcc-4.1.2-51.el5 gcc-c++-4.1.2-51.el5 libgcc-4.1.2-51.el5 Note : Memcached and memcache extension for php are already installed root@server[~]# memcached -h memcached 1.4.5 php ext http://pecl.php.net/get/memcache-2.2.6.tgz

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