Kipunji - by jpobst - GitHub - 1 views
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advanced cases like generics, interfaces, and nested classes are not implemented
Phalanger - The PHP Language Compiler for the .NET Framework - 5 views
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Phalanger is a new PHP implementation introducing the PHP language into the family of compiled .NET languages
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Makes PHP first-class citizen in the .NET languages family Compiles PHP language to the MSIL (Microsoft Intermediate Language), which is a byte-code assembly used by the .NET CLR Allows using .NET objects from the PHP language thanks to the PHP/CLR Language Extensions Enables using libraries written in PHP from other .NET languages
Using C++ Interop (Implicit PInvoke) - 0 views
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C++ Interop is recommended over explicit PInvoke because it provides better type safety, is typically less tedious to implement, is more forgiving if the unmanaged API is modified, and makes performance enhancements possible that are not possible with explicit PInvoke.
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C++ Interop allows COM components to be accessed at will and does not require separate interop assemblies
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Because it is the language of the native APIs, Visual C++ has a special status on Windows which makes it the best language for interacting with the platform APIs -- whether those are pure C++ APIs or COM components. This is partly due to the fact that unlike other .NET languages, Visual C++ allows managed and unmanaged code to exist in the same application and even in the same file ... allowing integration with existing apps and platform APIs that is just not possible in other .NET languages.
Microsoft Command Line Standard - 0 views
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our goal is to present a consistent, composable command line user experience. Achieving that allows a user to learn a core set of concepts (syntax, naming, behaviors, etc) and then be able to translate that knowledge into working with a large set of commands. Those commands should be able to output standardized streams of data in a standardized format to allow easy composition without the burden of parsing streams of output text.
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Microsoft's new "Command Line Standard" guidance on how to write applications which behave nicely as part of a command line interface pipeline ... specifically, PowerShell Commandlets implement most of this by default, but this willl allow unmanaged apps to better coexist in the PowerShell world ...
Tracing in .NET and Implementing Your Own Trace Listeners - 0 views
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TextWriterTraceListener
Lab49 Blog » Out-WPFGrid PowerShell CmdLet - 0 views
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An Out-Grid cmdlet implemented in what may possibly be the most complicated fashion ever ;-) David Barnhill has created a WPF app which you can instantiate from PowerShell by sending output to it... but the cmdlet actually creates a separate application object (a new process) and then communicates with it (using WCF) to send it the grid data.
Some cool tech there, but it seems like he might as well have made Out-WPFGrid into a stand-alone app -- and it seems like that would have been easier?
ankhsvn.tigris.org - 0 views
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AnkhSVN is a Visual Studio .NET addin for the Subversion version control system. It allows you to perform the most common version control operations directly from inside the VS.NET IDE. Not all the functionality provided by SVN is (yet) supported, but the majority of operations that support the daily workflow are implemented.
claribole.net - ZGRViewer - 0 views
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ZGRViewer is a 2.5D graph visualizer implemented in Java and based upon the Zoomable Visual Transformation Machine. It is specifically aimed at displaying graphs expressed using the DOT language from AT&T GraphViz and processed by programs dot, neato or others such as twopi.
MIT's Introduction to Algorithms, Lectures 22 and 23: Cache Oblivious Algorithms - good... - 0 views
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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.
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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. »
The dumbing down of technology | Tony Lawrence | 2008 - 0 views
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I love this article. Lawrence is 60 and can perhaps afford to be sanguine, but I am glad he is warning the rest of us.
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Some quotable quotes here: "while we laugh at the guy who expected that his computer could be hooked up to his boom box to use the cd, he's actually just a bit ahead of us. Yes, ahead, not behind. In the future, he probably could get his computer to talk the boom box into transferring data from its cd." "When I was a teenager, I had a friend who made extra money testing and changing vacuum tubes in TV's and radios. Try earning money that way today- there is actually a very small market for that kind of thing, and there are still people who sell tubes and the like, but that market is pretty small. In the dumbed down computers of the future, there may still be a few antique machines kicking around here and there, but that isn't going to support very many of us." This is largely true and happening all the time. A programmer can use Python or Smalltalk without needing to know C (or Fortran or assembler.) A child can program in Morphic tiles (Etoys and Scratch)! We don't need to know the difference between a serial cable and a printer cable, or how to install a driver' it is all USB (or Bluetooth!) There are some gurus that program USB, but perhaps only a few hundred of them, and the rest of us just use it.
Threads Cannot be Implemented as a Library - Boehm, Hans-J. - 0 views
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Abstract: In many environments, multi-threaded code is written in a language that was originally designed without thread support (e.g. C), to which a library of threading primitives was subsequently added. [...] We provide specific arguments that a pure library approach, in which the compiler is designed independently of threading issues, cannot guarantee correctness of the resulting code. [...]
JavaScript as a Functional Language | Ajaxonomy | 2009 - 0 views
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there is a little bit of hand-waving involved in calling JavaScript a functional language. JavaScript is not a side-effect free language, nor is it an expression-based language (i.e., it is not value-oriented, but rather variable-oriented). There is no tail call optimization in any of the current implementations, so recursion must be kept shallow. And the list goes on. Truth be told, JavaScript is really one of the first hybrid imperative-functional languages.
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Higher-order functions allow us to do functional composition,
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Since JavaScript does not have "overloaded" functions, this type of functionality is usually simulated using manipulation of the function's arguments. Currying comes in handy because it allows you to do this manipulation in a much cleaner and more modular way.
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Eucalyptus - 0 views
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open-source software infrastructure for implementing "cloud computing" on clusters. The current interface to EUCALYPTUS is compatible with Amazon's EC2 interface, but the infrastructure is designed to support multiple client-side interfaces.
The APIs for the Sun Cloud: Wiki: HelloCloud - Project Kenai - 0 views
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. Let's assume that this application does storage and retrieval of large media files; the required infrastructure is: A firewall appliance for connecting to the Internet A private network connecting the firewall to other systems A Linux web server running a LAMP stack A Solaris database machine running MySQL for application persistence A WebDAV server for the media files
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Soon you will be able to write scripts to install "Virtual Data Centers" There seems to be a temptation here to make a virtual data center as complex as a real one - perhaps that is necessary, but this technology is in its early stages. Right now, I wonder if a virtual firewall appliance is as secure or fast as a real one.
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Stevey's Blog Rants: Execution in the Kingdom of Nouns - 2006 - 0 views
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For the lack of a horseshoe, EquestrianDoctor.getLocalInstance().getHorseDispatcher().shoot();
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the stories all take a definite shape: object construction is the dominant type of expression, with a manager for each abstraction and a run() method for each manager. With a little experience at this kind of conceptual modeling, Java citizens realize they can express any story in this style.
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The nursery rhyme looks familiar, but how realistic is it? Smalltalk and Self appear at first glance to be in danger of this kind of horror, especially Smalltalk where every object has a class, yet a Smalltalk statement consists largely of verbs. Yegge seems to have missed an important detail in his analogy - verbs are not functions - they are symbols (selectors) that resolve to a function (method) when they are looked up (depending on ... whatever - Smalltalk the class of the receiver, CLOS the types of the arguments and so on). C and FORTRAN don't have verbs, they just have functions (actions).
Design Patterns: 15 Years After the Revolution, by Danny Kalev @ InformIT [2009-10-30] - 1 views
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by defining a description template that included among the rest: Known uses. Sample code (as opposed to a typical algorithm which were often described in plain English and perhaps a few sketchy lines of pseudo-code). Collaboration (A description of how classes and objects used in the pattern interact with each other). Consequences (results and side-effects). Related patterns.
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Would a 2009 catalog of the 23 classic design patterns look much different? According to the authors of Design Patterns: Elements of Reusable Code, the answer is no.
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The authors would reclassify certain patterns and omit a few of the original patterns but the design and implementation would remain pretty much the same: "We have found that the object-oriented design principles and most of the patterns haven't changed since then" says Erich Gamma. You can't escape the feeling that patterns are frozen in time
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