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• Kohana 3: Example of model with validation

  - by Svish

  I find examples and tutorials about models and about validation. And I places that say the validation (or most of it at least) should be in the model, which I agree with. But I can't any examples or tutorials that show how that should be done. Could anyone help me with a simple example on how that could be done? Where would you have the rules in the model? Where would the validation happen? How would the controller know if the validation passed or fail? How would the controller get error messages and things like that? Hope someone can help, cause feel a bit lost here :p

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• Examples of Hierarchical-Model-View-Controller (HMVC)?

  - by Stephen

  Hi, I'm interested in the Presentation-Abstraction-Control? (aka Hierarchical-Model-View-Controller (HMVC)) Architectural Pattern for constructing complex user interfaces (GUI or web) and was wondering if anyone was aware of any examples in the wild where I could read the code? My list so far; Cairngorm framework for Adobe Flex any others I'm aware of the JavaWorld article and associated letters cited in the wikipedia article http://en.wikipedia.org/wiki/Presentation-abstraction-control

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• Why use "foo" in coding examples? [closed]

  - by ThePower

  Possible Duplicates: To foo bar, or not to foo bar: that is the question. Bit of a general question here, but it's something I would like to know! Whenever I am looking for resolutions to my C# problems online, I always come across "foo" being used as an example. Does this represent anything or is it just one of those unexplained catchy object names, used by many people in examples?

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• Examples of Wizard controls

  - by Christophe Herreman

  I'm creating a Wizard control (in Flex) and wanted to look at some examples of good Wizard controls in .NET, Java or other languages. I'm especially interested in situations where next/prev steps are determined by the input of the current step. For instance, choosing one of several options in the start screen will lead you to different screens, etc Any suggestions?

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• Capturing wireless traffic (using Wireshark).

  - by Daisetsu

  When I run wireshark on a wired network it works fine and reports all of the packets. When I run it on a wireless network though I only see my own traffic. The wireless card I have is supposed to support packet capture and go into premiscous mode, but I don't see any other system traffic. What is wrong?

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• Can you help me think of problems for my programming language?

  - by I can't tell you my name.

  I've created an experimental toy programming language with a (now) working interpreter. It is turing-complete and has a pretty low-level instruction set. Even if everything takes four to six times more code and time than in PHP, Python or Ruby I still love programming all kinds of things in it. So I got the "basic" things that are written in many languages working: Hello World Input - Output Countdowns (not as easy as you think as there are no loops) Factorials Array emulation 99 Bottles of Beer (simple, wrong inflection) 99 Bottles of Beer (canonical) Conjatz conjecture Quine (that was a fun one!) Brainf*ck interpreter (To proof turing-completeness, made me happy) So I implemented all of the above examples because: They all used many different aspects of the language They are pretty interesting They don't take hours to write Now my problem is: I've run out of ideas! I don't find any more examples of what problems I could solve using my language. Do you have any programming problems which fit into some of the criteria above for me to work out?

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• Reactive extensions for Javascript code examples

  - by Tuomas Hietanen

  Microsoft have published Reactive Extensions for Javascript. It should make asynchronous (and event based) web-ui programming easy. There are currently a video and some tutorials. But how cool UI could I really make? Do you know any good demos or code examples using rx.js?

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• Video packet capture over multiple IP cameras

  - by nimals1986

  Hello We are working on a C language application which is simple RTSP/RTP client to record video from Axis a number of Cameras . We launch a pthread for each of the camera which establishes the RTP session and begins to record the packets captured suing the recvfrom() call... A single camera single pthread records fine for well over a day without issues.. but testing with more cameras available,about 25(so 25 pthreads), the recording to file goes fine for like 15 to 20 mins and then the recording just stops ..the application still keeps running .. Its been over a month and a half we have been trying with varied implementations but nothing seems to help .. Please provide suggestions.. We are using CentOS 5 platform

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• Clarification How CRF(Conditional random Field) works using examples

  - by Moges.A

  I read different documents how CRF(conditional random field) works but all the papers puts the formula only. Is there any one who can send me a paper that describes about CRF with examples like if we have a sentence "Mr.Smith was born in New York. He has been working for the last 20 years in Microsoft company." if the above sentence is given as an input to train, how does the Model works during the training taking in to consideration for the formula for CRF? Moges.A

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• How does ospf control flooding?

  - by iamrohitbanga

  What method is used by ospf protocol to prevent looping of flooded packets for link state advertisements? The packet header does not contain any timestamp. How do the routers recognize that it is the same advertisement that they sent before?

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• Kerberos - real world examples?

  - by dede

  I know how Kerberos works and understand it purpose but I need some real world examples, where does it fit, and have you ever use it?

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• Apache FOP org.apache.fop.pdf package usage examples

  - by Trung

  I tried to use the org.apache.fop.pdf package but not success. Appreciated if someone can give some working examples to: Create PDFDocument Add PDFPage to PDFDocument Add some text to PDFPage

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• Debugger for Iptables

  - by chris_l

  Hi, I'm looking for an easy way to follow a packet through the iptables rules. This is not so much about logging, because I don't want to log all traffic (and I only want to have LOG targets for very few rules). Something like Wireshark for Iptables. Or maybe even something similar to a debugger for a programming language. Thanks Chris

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• Capturing wirelss traffic (using Wireshark).

  - by Daisetsu

  When I run wireshark on a wired network it works fine and reports all of the packets. When I run it on a wireless network though I only see my own traffic. The wireless card I have is supposed to support packet capture and go into premiscous mode, but I don't see any other system traffic. What is wrong?

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• Examples of GoF Design Patterns

  - by kunjaan

  I am learning GoF Java Design Patterns and I want to see some real life examples of them. Can you guys point to some good usage of these Design Patterns.(preferably in Java's core libraries). Thank you

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• Things you should implement in your own programming language

  - by I can't tell you my name.

  I've created an experimental toy programming language with a (now) working interpreter. It is turing-complete and has a pretty low-level instruction set. Even if everything takes four to six times more code and time than in PHP, Python or Ruby I still love programming all kinds of things in it. So I got the "basic" things that are written in many languages working: Hello World Input - Output Countdowns (not as easy as you think as there are no loops) Factorials Array emulation 99 Bottles of Beer (simple, wrong inflection) 99 Bottles of Beer (canonical) Conjatz conjecture Quine (that was a fun one!) Brainf*ck interpreter (To proof turing-completeness, made me happy) So I implemented all of the above examples because: They all used many different aspects of the language They are pretty interesting They don't take hours to write Now my problem is: I've run out of ideas! I don't find any more examples of what problems I could solve using my language. Do you have any programming problems which fit into some of the criteria above for me to work out?

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• .htaccess reference with examples

  - by alex

  Hi all! Need link, if it exist, to good and full .htaccess reference with examples. Thanks.

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• JSON_Spirit: good examples of unpacking a JSON string?

  - by Mark Harrison

  Any good examples/tutorials of unpacking JSON strings with the C++ JSON_Spirit library? Something that can traverse a json_spirit::Value object and pretty-print it would be ideal.

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• informatica mapping examples

  - by user223541

  i want to devlope generic mapping for handling data bases errors in Informatica. Can any one give me any examples of such mappings ? Also can u suggent me some resources for informatica samples mappings (livw webiste or links)

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• Code examples for a wallpaper app?

  - by TERACytE

  I would like to write a C# app that runs like an overlay on the desktop wallpaper. Similar to the way that desktop widgets or Rainmeter(rainmeter.net) runs; behind other apps but on top of the desktop wallpaper. I cannot find any C# examples of this kind of behavior. Can someone point to me to some code? Here is an example of what I am interested in creating: http://jabz.us/uploaded_images/screenCaptureRainmeter.png

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• Looking for Examples and Source of a working Dojo TreeGrid widget

  - by srock

  Anyone know of some working examples with source of the dojox.grid.TreeGrid widget? The docs on DojoCampus don't have an example and the nightly test doesn't have source. Supposedly, this is trunked in Dojo 1.4, but I can't get it working.

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• Examples of SQL Injections through addslashes()?

  - by nute

  In PHP, I know that mysql_real_escape in much safer than using addslashes. However, I could not find an example of a situation where addslashes would let an SQL Injection happen. Can anyone give some examples? Thanks!

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• Could someone in simple terms explain to me the visitor pattern's purpose with examples if possible

  - by welcometocanada

  Hi, I'm really confused about the visitor pattern and its uses. I can't really seem to visualize the benefits of using this pattern or its purpose. If someone could explain with examples if possible that would be great. =) Thanks in advance

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• Great ruby on rails examples of almost real world applications

  - by Totty

  Great ruby on rails examples of almost real world applications: Can somebody give some links of sites that have such codes using the best practices in structure, implementing it, models, controllers, security, views, caching, modularizing and so on? thanks

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• Do you have examples of un-helpful/Obscure error messages

  - by Wiretap

  Yesterday I got this error The processing instruction target matching "[xX][mM][lL]" is not allowed when I investigated, it was caused by whitespace at the very start of my XML document. Not difficult to solve, but I was struck with how unhelpful that particular error message was to identifying the actual problem. So what other examples of obscure errors do people have, and are you willing to admit to some of your own making.

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