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Joel Bennett

Polyglot Programming | Dr. Dobb's | May 1, 2002 - 0 views

  • Everyone will benefit, even the Java community: Now that there's competition again, new constructs are—surprise!—again being considered for Java
  • Do languages have to sacrifice anything?
  • .NET goes much further: A routine written in a language L1 may call another routine written in a different language L2. A module in L1 may declare a variable whose type is a class declared in L2, and then call the corresponding L2 routines on that variable. If both languages are object oriented, a class in L1 can inherit from a class in L2. Exceptions triggered by a routine written in L1 and not handled on the L1 side will be passed to the caller, which—if written in L2—will process it using L2's own exception-handling mechanism. During a debugging session, you may move freely and seamlessly across modules written in L1 and L2. I don't know about you, but I've never seen anything coming even close to this level of interoperability.
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    This ability to mix languages offers great promise for the future of programming languages, as the practical advance of new language designs will no longer be hindered by the library issue ...
Fabien Cadet

Software Engineering: Dead? @ Coding Horror - 0 views

  • The guys and gals who show up every day eager to hone their craft, who are passionate about building stuff that matters to them, and perhaps in some small way, to the rest of the world -- those are the people and projects that will ultimately succeed.
  • Everything else is just noise.
  • If you want to move your project forward, the only reliable way to do that is to cultivate a deep sense of software craftsmanship and professionalism around it.
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    « I'm gradually coming to the conclusion that software engineering is an idea whose time has come and gone. Software development is and always will be somewhat experimental. The actual software construction isn't necessarily experimental, but its conception is. And this is where our focus ought to be. It's where our focus always ought to have been. » __ Tom DeMarco
Fabien Cadet

MIT's Introduction to Algorithms, Lectures 22 and 23: Cache Oblivious Algorithms - good... - 0 views

  • Cache-oblivious algorithms should not be confused with cache-aware algorithms. Cache-aware algorithms and data structures explicitly depend on various hardware configuration parameters, such as the cache size. Cache-oblivious algorithms do not depend on any hardware parameters.
  • An example of cache-aware (not cache-oblivious) data structure is a B-Tree that has the explicit parameter B, the size of a node. The main disadvantage of cache-aware algorithms is that they are based on the knowledge of the memory structure and size, which makes it difficult to move implementations from one architecture to another.
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    « Cache-oblivious algorithms take into account something that has been ignored in all the lectures so far, particularly, the multilevel memory hierarchy of modern computers. Retrieving items from various levels of memory and cache make up a dominant factor of running time, so for speed it is crucial to minimize these costs. The main idea of cache-oblivious algorithms is to achieve optimal use of caches on all levels of a memory hierarchy without knowledge of their size. »
David Corking

Moving to Symbian S60: One Year Later - 0 views

  • too many ways to develop for Symbian devices: native code, WRT (web run-time) widgets, Java, browser-apps, etc.
    • David Corking
       
      What disadvantage did he find with having choice? Fragmented community, inconsistent UI, difficulty integrating with 3rd party apps, something else?
  • 5-9 clicks just to add a calendar item.
  • disjointed software updating -- which requires a Windows PC in older Nokia devices -- that leaves many North American users without fixes to serious issues for all but the most popular of handsets.
  • ...7 more annotations...
  • there really isn't something as stable and capable as the Symbian OS (yet).
  • Check with your home or renter's insurance whether they will or not before purchasing high-end models.
  • Nokia's Symbian devices do not always use the same software as Samsung and LG's Symbian devices.
  • Battery life is better with Nokia E-series devices; much better.
  • This platform is fun, but is in major transition; something like what Palm is going through with Palm OS 5 and webOS.
  • phone as a laptop/MP3 player/GPS/web server replacement
  • definitely had its points where I wanted to turn back to the Palm Treos
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.
  • ...45 more annotations...
  • 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.
Joel Bennett

Helicon Ape - .htaccess + mod_rewrite compatibility for IIS - 0 views

  • Helicon Ape is a unique module that emulates Apache execution environment on Microsoft IIS. It literally implements Apache configuration model (like .htaccess and httpd.conf files) and all most demanded Apache modules in a single IIS add-on, not only making IIS compatible with Apache, but also extending it’s functionality
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    An IIS 7 Module which implements .htaccess and httpd.conf compatability, per-site installation, URL rewriting and forward/reverse proxy modules, etc. There's a huge list of implemented modules including auth, cache, deflate, filter, headers, proxy, rewrite, and env ...
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    Supposedly, allows users to move Apache/PHP sites to IIS without modification!
Fabien Cadet

Software Development is not Just Coding « CodeDependents, 2011-06-06 by Benja... - 15 views

  • Many developers approach any sort of planning with apprehension if not outright disgust.
  • Whatever it might be we need to move beyond the “all process is evil” mentality. Yes there will be meetings but you will shock yourself at how much faster you are in the end.
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Nicole Smith

Acquired Home Loans Services Cost Nothing - 0 views

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fused. sac a main longchamp pas cher cuir - 0 views

convinced that Colonna will benefit from the same situation.Will the trauma provoked by the Outreau case, in which a number of suspects were wrongly imprisoned for paedophilia, encourage leniency a...

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agencynbs

Lab-grown sperm makes healthy offspring - 0 views

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    BBC : February 26, 2016, Friday Sperm have been made in the laboratory and used to father healthy baby mice in a pioneering move that could lead to infertility treatments. The Chinese research took a stem cell, converted it into primitive sperm and fertilised an egg to produce healthy pups.
raushan-19

Matka Result - 0 views

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envisionecom

Top Things your B2B eCommerce Platform should Do - 1 views

With more and more businesses jumping on the eCommerce bandwagon, the business-to-business (B2B) environment is fast moving away from the conventional offline territory. When you prepare to launch...

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started by envisionecom on 18 May 21 no follow-up yet
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Buy IELTS,PTE,CELPIP Certificates Without Any Exams,Buy Passports,Licenses,ID cards,Era... - 0 views

Buy IELTS,PTE,CELPIP Certificates Without Any Exams,Buy Passports,Licenses,ID cards,Erase Criminal Records,Buy Credit Card details and Credit Card Hack software. Buy CELPIP Certificate online ...

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Google Chrome for PC Latest Version - 0 views

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started by timothypeverhart on 24 Jul 23 no follow-up yet
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How to Prepare Aptitude Test for Competitive Exams - 1 views

Practice as many questions before your assessment. The more psychometric aptitude test questions you practice the more your speed, accuracy and confidence will improve. Improving these factors will...

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started by puzznbuzzus on 23 Feb 17 no follow-up yet
titansuhe

chain swivel - 0 views

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    Manufacturer & Supplier of swivel. Chain Swivel is an optional parts instead of chain hook when making a chain sling. This swivel is used to connect two pieces chains together where the both ends need to move in reverse direction or to adjust the direction of the lifting chain. Enquire Now!
jimygill

More than 110,000 Websites Affected by Hijacked Polyfill Supply Chain Attack:polyfill.j... - 0 views

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    Google has taken steps to block ads for e commerce sites that use Polyfill.io service after Chinese company acquired the domain and modified the Javascript library to redirect users to scam and malicious sites. Polyfill is famous library that incorporates help for functions in web browsers. China based content delivery network CDN company Funnull. Over 110,000 sites that embed the library  are affected by supply chain attack. Sansec add in Tuesday report. The development urges web infrastructure providers Fastly and Cloudflare to offer other endpoints to assist users move away from polyfill.jo. The original creator of the project Andrew Betts said website owners to remove it urgently no website today requires any of polyfills in the polyfill .jo library. Most features add to web platform are adopted by mega browsers with few exceptions that can not be polyfilled anyway like Web Bluetooth and Web Serial. Such an attack occur if underlying third party is compromised or changes the code being served to end users in bad method causing  all websites using tool to be compromised. The code has protection against reverse engineering and only activates on special mobile devices at special hours. It does not activate when it detects an admin user. it delays execution when web analytics services is found presumably not end up in stats. San Francisco based c/side has issued an alert of its own domain maintainers added a Cloudflare Security Protection header to their site between March 7 and 8 2024. The Dutch e commerce security firm said domain "cdn.polfill.jo" has caught injecting malware that redirects user to sports betting and pornographic sites. The findings follow an advisory about security flaw impacting Adobe Commerce and Magento websites that continues to remain unpatched despite solution available since June 11 2024. It has emerged that 3rd parties can gain API admin reach without requiring a Linux version vulnerable to iconv issue making it more dangero
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