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Joel Bennett

jQuery: The Write Less, Do More, JavaScript Library - 0 views

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    JQuery reduces the ammount of code you have to write for common web tasks...
Joel Bennett

Spark View Engine | Html friendly. Less is more. - 0 views

  • Spark is a view engine for Asp.Net Mvc and Castle Project MonoRail frameworks.
  • Replacing the default view engine in MVC w/ Spark
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    Spark is a view engine for Asp.Net Mvc and Castle Project MonoRail frameworks. The idea is to allow the html to dominate the flow and the code to fit seamlessly.
Matteo Spreafico

Joe Duffy's Weblog - OnBeingStateful - 0 views

  • The biggest question left unanswered in my mind is the role state will play in software of the future.
  • The biggest question left unanswered in my mind is the role state will play in software of the future. That seems like an absurd statement, or a naïve one at the very least.  State is everywhere: The values held in memory. Data locally on disk. Data in-flight that is being sent over a network. Data stored in the cloud, including on a database, remote filesystem, etc. Certainly all of these kinds of state will continue to exist far into the future.  Data is king, and is one major factor that will drive the shift to parallel computing.  The question then is how will concurrent programs interact with this state, read and mutate it, and what isolation and synchronization mechanisms are necessary to do so?
  • Many programs have ample gratuitous dependencies, simply because of the habits we’ve grown accustomed to over 30 odd years of imperative programming.  Our education, mental models, books, best-of-breed algorithms, libraries, and languages all push us in this direction.  We like to scribble intermediary state into shared variables because it’s simple to do so and because it maps to our von Neumann model of how the computer works.
  • ...3 more annotations...
  • We need to get rid of these gratuitous dependencies.  Merely papering over them with a transaction—making them “safe”—doesn’t do anything to improve the natural parallelism that a program contains.  It just ensures it doesn’t crash.  Sure, that’s plenty important, but providing programming models and patterns to eliminate the gratuitous dependencies also achieves the goal of not crashing but with the added benefit of actually improving scalability too.  Transactions have worked so well in enabling automatic parallelism in databases because the basic model itself (without transactions) already implies natural isolation among queries.  Transactions break down and scalability suffers for programs that aren’t architected in this way.  We should learn from the experience of the database community in this regard
  • There will always be hidden mutation of shared state inside lower level system components.  These are often called “benevolent side-effects,” thanks to Hoare, and apply to things like lazy initialization and memorization caches.  These will be done by concurrency ninjas who understand locks.  And their effects will be isolated by convention.
  • Even with all of this support, we’d be left with an ecosystem of libraries like the .NET Framework itself which have been built atop a fundamentally mutable and imperative system.  The path forward here is less clear to me, although having the ability to retain a mutable model within pockets of guaranteed isolation certainly makes me think the libraries are salvageable.  Thankfully, the shift will likely be very gradual, and the pieces that pose substantial problems can be rewritten in place incrementally over time.  But we need the fundamental language and type system support first.
David Corking

Dr. Dobb's | Smartphone Operating Systems: A Developer's Perspective | March 30, 2009 - 0 views

  • The industry stewards have countered Apple's move with their own application stores, so there's a huge opportunity to write the "killer app" for one of several smartphone platforms.
  • 40 MB to less than 4 MB of free RAM
  • one-app-at-a-time requirement complicates any implementation of a copy-and-paste mechanism.
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  • As a security sandbox, the iPhone OS permits only one third-party application to run at a time, and not in the background.
  • adding some useful Bluetooth profiles that supported stereo headsets, data synchronization, or the ability to implement multiplayer games would be usefu
  • iPhone OS 3, that provides some of the missing features mentioned here, such as the A2DP profile for Bluetooth, voice recording, and copy-and-paste.
  • Have to learn Objective-C; is only smartphone platform that uses it.
  • Competitors will soon catch up on the UI.
  • embed navigation and GPS plotting into applications.
  • provide their own map content
  • The OS now supports the use of accessories connected to the iPhone either through its 30-pin docking connector or wirelessly via Bluetooth. Now that the device has been "opened", you can expect an entire ecosystem to build up around the device, much like the iPod has.
  • peer-to-peer connectivity using Bonjour
  • developers can now allow users, from within the application, to purchase and obtain new content
  • No voice dial.
  • A client-server mechanism provides access to low-level system resources, and in fact the kernel itself is a server that parcels out resources to those applications that need them. This transaction scheme allows applications to exchange data without requiring direct access to the OS space.
  • C/C++ for porting existing UNIX applications, and Java to port Java ME MIDlets. As mentioned previously, the software stack offers several run-times that offer application development using WRT widgets, Flash, and Python. The primary programming language for the platform is Symbian C++,
  • Handango has managed the wide-scale distribution of Nokia applications. In February, Nokia announced plans to launch its Ovi Store, which sells applications, videos, games, pod-casts and other content, similar to Apple's App Store. The store will be accessible by Nokia S60 smartphones in May.
  • Non-standard Symbian C++ has steep learning curve, with special idioms to master. Large number of Symbian APIs to learn, since it contains hundreds of classes and thousands of member functions.
  • BlackBerry Device Software executes multiple applications simultaneously
  • Manages multiple e-mail Exchange e-mail accounts, along with support for POP3 and SMTP, and e-mails can have file attachments
  • FIPS 140-2 compliant, and supports AES or Triple DES encryption sessions via BlackBerry Enterprise Servers
  • BlackBerry Device Software has enhanced the capabilities of the platform with its own Java virtual machine (JVM), along with new Java classes that offer multitasking capabilities and UI enhancements to go beyond the capabilities of Java ME.
  • You can also take existing Java ME code and add specific BlackBerry classes to make a hybrid Java ME application
  • don't intermix MIDP 2.0 and BlackBerry API calls that perform either screen drawing or application management.
  • The catch to writing an application that uses BlackBerry API extensions is that it ties the application this smartphone. However, this is no worse than using the unique Java classes found in Google's Android.
  • Apple promotes the design goal that applications should accomplish one purpose.
  • no Flash support, and you can't download files.
  • For non-Exchange users, Apple's MobileMe online service, after some fits and starts in 2008, now supports the push of e-mails and changes to the calendar and contacts.
  • The iPhone 3G can work in tandem with Microsoft Exhange Server 2003 and 2007 to support enterprise operations.
  • Cocoa Touch is a subset of Apple's Cocoa,
  • Cocoa Touch components manage most of the writing to the screen and playing media, yet there are APIs exposed that let you access the accelerometer and camera.
  • Quartz engine is identical to the one found in Mac OS X
  • Only a select few higher-level frameworks have access to the kernel and drivers. If necessary, an application can indirectly access some of these services through C-based interfaces provided in a LibSystem library.
  • the SDK provides Dashcode, which is a framework based on a Web page composed of HTML and Javascript. You can use DashCode's simulator to write and test your web application. You can also use several other third-party frameworks to write web applications, and debug these with Aptanna Studio's tools.
  • Made by HTC, the G1 is the first smartphone using the Android platform.
  • e-mail program (which makes use of Google's Gmail), a mapping program (using the company's Google Maps), and a browser that uses WebKit, not Google's Chrome web browser
  • Android is not Java ME, nor does it support such applications
  • ability to both browse and manage multiple IM conversations. On the other hand, such heavy use of the smartphone's CPU shortens battery life significantly. Maybe Apple is on to something in limiting the number of applications that the platform can run.
  • On the positive side, the Android APIs support a touch interface (and the G1 has a capacitive touch screen), but not any multi-touch gestures.
  • copying text from the web pages is the browser isn't allowed
  • The advantage to Android's use of a different bytecode interpreter is that the DVM was designed so that multiple instances of it can run, each in their own protected memory space, and each executing an application. While this approach offers stability and a robust environment for running multiple applications, it does so at the expense of compatibility with Java ME applications.
  • Seasoned Java programmers will find the Android SDK an amalgam of Java SE and Java ME methods and classes, along with unique new ones
  • compile the Java code to generate Dalvik bytecode files, with an extension of .dex. These files, along with the manifest, graphics files, and XML files, are packaged into an .apk file that is similar to a Java JAR file.
  • The certificate that you use to generate the private key does not require a signing authority, and you can use self-signed certificates for this purpose.
  • The Developer Phone provides access to a shipping Android device without the cash outlay or contract contortions required when developing for the other platforms.
  • in February the site began supporting priced applications. Google allows developers to take seventy percent of the proceeds.
  • it's possible that you might pick up a malicious application before it is detected by the user community.
  • Open source, open platform: if you hate the mail program, some third-party is writing a better one.
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    Lengthy developer's overview of Symbian, Mac OS X iPhone, Blackberry, Android. This talks about the leading app platforms except Java ME and Windows Mobile, though it does explain how Blackberry and Symbian support Java ME.
David Corking

Dr. Dobb's Update : Editor's Note What's One More Operating System, More or Less? - 0 views

  • In this regard, SymbianOS may have a leg up on Apple's App Store and even Nokia's Ovi Store, in that the "Symbian Application Inventory" will be free for developers. That's what you call "incentive," but is it enough?
    • David Corking
       
      Before it attracts app developers, it has to attract hardware integrators. There is plenty of hardware out there, but isn't this selling in far lower volumes than Linux or the proprietary smartphone OSes. As far as I can tell, it has attention from the biggest smartphone integrator of them all: Nokia, who, as far as I can tell, uses it in the best selling N95 family. This ratchets up the competion with Apple and RIM another notch.
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    This Symbian system (aka Psion and Nokia S60) was well loved for its well though out personal organizer or PIM applications. Now, smartphone users seems more interested in e-mail, music and games. I am interested to see if Symbian OS still has a profitable niche. Symbian is a market leader in the new market.
Matteo Spreafico

Clemens Vasters, Bldg 42 : Port Bridge - 0 views

  • In order to increase the responsiveness and throughput for protocols that are happy to kill and reestablish connections such as HTTP does, “Port Bridge” is always multiplexing concurrent traffic that’s flowing between two parties on the same logical socket.
  • With Hybrid, all connections are first established through the Service Bus Relay and then our bits do a little “NAT dance” trying to figure out whether there’s a way to connect both parties with a direct socket – if that works the connection gets upgraded to the most direct connections in-flight.
  • Now you might say You are using a WCF ServiceContract? Isn’t that using SOAP and doesn’t that cause ginormous overhead? No, it doesn’t. We’re using the WCF binary encoder in session mode here. That’s about as efficient as you can get it on the wire with serialized data. The per-frame SOAP overhead for net.tcp with the binary encoder in session mode is in the order of 40-50 bytes per message because of dictionary-based metadata compression. The binary encoder also isn’t doing any base64 trickery but treats binary as binary – one byte is one byte. Port Bridge is using a default frame size of 64K (which gets filled up in high-volume streaming cases due to the built-in Nagling support) and so we’re looking at an overhead of far less than 0.1%. That’s not shabby.
iupdateyou123

What about unemployment - 0 views

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    What about unemployment is the exist question in the heart of every job seeker to the government of his country. Very first we should be known what is the exact meaning of unemployment ? unemployment's exact meaning is the less number of jobs in front of the job seekers quantity.
Brandons Walker

How Long Term Loans Canada Make Your Paydays Less Troubled? - 0 views

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jackmcmahon4

Buy Facebook Followers - 100% Active and Real - 0 views

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    Buy Facebook Followers Introduction Buying Facebook followers is a terrific strategy to expand your social media profile if you're trying to do so. You'll gain more followers as well as more likes. Win-win situation. Is it safe and legal to purchase the Facebook Followers service? You effectively pay someone to create a false profile and follow your page when you purchase Facebook followers. This procedure is not advised for several reasons.. The first reason is that it's against Facebook's terms of service. Second, you'll be squandering your money because Facebook frequently rapidly deletes these phony profiles. And finally, if people find out you've bought followers, they can have less faith in your company because it seems like you're inflating your numbers unnaturally. Hence, even if you might be tempted to purchase followers in an effort to increase the popularity of your page, we don't advise it. Better, more efficient methods exist for increasing your Facebook following. Why Would You Want to Invest in Facebook Followers? Facebook is one of the most widely used social networking platforms. With over 2 billion monthly active users, it makes sense that companies want a piece of the action. Having a sizable following is one of the finest methods to make your company stand out on Facebook. When potential clients discover that you have a large following, it increases the credibility and reliability of your company. It demonstrates that you have a loyal following of clients that are interested in your brand. Buy Facebook Followers There are a number of reasons why you should invest in Facebook followers: 1) Increase your perceived credibility and dependability 2) Expand the audience for your postings; 3) Discover more about your intended audience. 4) Generate leads and increase sales 5) Make improvements to your social media marketing plan Purchasing Facebook fans can assist you in achieving your company's goals and objectives. You can in
jackmcmahon4

Buy Facebook Comments - Buy Real Facebook Comments - 0 views

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    Buy Facebook Comments Introduction Facebook is one of the most widely used social networking platforms. With more than two billion active users each month, it makes sense that companies would want to purchase Facebook comments. But there are a few things you should know first. Facebook comments for businesses can be a terrific method to solicit client feedback, increase brand recognition, and increase website traffic. What Are Facebook Comments? Posts on a Facebook page or profile are referred to as Facebook comments. Anyone who is friends with the person who posted it or with the person who left a comment on it can view these posts. Everyone who has liked the page or profile can also view the post. When someone leaves a remark on a post, it will show up in both their own feed and the feeds of their friends. The commenter is also able to see who posted it. The comment is visible to everyone if the post is public. Buy Facebook Comments Why Facebook Comments Matter? Engagement is essential in social media. The importance of comments cannot be overstated in terms of interaction. Facebook comments demonstrate that readers are eager to interact with your material and are interested in what you have to say. Also, comments expand the audience for your work. Your content is more likely to be seen by others if it receives more comments. Also, the more eyes on your material, the more likely it is to receive likes, shares, and finally, purchases. Why Should Your Purchase Facebook Comments? Facebook is one of the most crucial sites to concentrate on when it comes to social media marketing. Facebook provides businesses with a tremendous opportunity to contact their target audience because to its more than 2 billion monthly active users. One of the most successful methods of marketing on Facebook is to purchase Facebook comments. In essence, when you purchase comments, you are paying for others to submit favorable reviews or comments on your page or blog. This may be a really
bosenbio

ferrous lactate - 0 views

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    Ferrous lactate which functions to enrich and fortify. It is of neutral color and flavor, and is soluble. It is used in acid foods below a pH of 4.5, where there is less susceptibility to oxidation and conversion to the ferric form, which results in discoloration. In higher pH foods, the instability can be prevented by complexing with ligands which prevent browning discoloration. It is used in fortification of drinks and juices.
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