AntiContainer JSON help requested - json

Where can I find a tutorial for writing DownThemAll AntiContainer plugins in JSON?
The documentation is confusing...

Considering the fact that, five hours after you asked it, this question is already one of the top ten Google results for "DownThemAll AntiContainer tutorial", it seems unlikely that any more detailed tutorials exist.
Perhaps you can learn more by examining the source code of existing plugins or by contacting one of the plugin authors, nmaier and poke? (You need a GitHub account to use the "message" feature.)

In case anyone is still looking:
This is a nice Wiki-Tutotrial about it https://github.com/downthemall/anticontainer/wiki/Writing-plugins
however, it does not explain the fine details, to grasp how this can be applied to a specific problem

Related

How do I extend this Netbeans JSF2 CRUD example to have a single create and edit form for all entities?

I recently discovered this very useful Netbeans tutorial for creating a simple JSF 2 CRUD application http://netbeans.org/kb/docs/web/jsf20-crud.html. The final product has somewhat limited usability as one is confronted with a myriad of web pages. I would like an example of how to consolidate the Create and Edit forms (using the same project if possible). This seems more in keeping with how a person would actually enter such information and would reduce the risk of data entry mistakes. Why enter a client and their billing address on separate screens? One should be able to add or remove addresses, if need be, on the client's edit form. Or if a new client has multiple addresses, enter them all on the client's create form. The application just seemed incomplete with no further tips on how to improve it. If one has knows of a useful book that covers this, then I would gladly read that as well. Thanks.
I didn't realize the complexity of my problem and found that I couldn't get what I needed using JSF2 with the information resources available. Through my searches, I also found that many others were asking about Master-Detail CRUD applications, which I then learned was what I needed, but in slightly different ways and not getting any solid examples. A problem properly stated is half solved and I didn't know the problem statement. Armed with more knowledge, I was shocked to find that the answers were not readily available outside of some videos on YouTube showcasing Oracle ADF. In the end, I was able to quickly build the application I desired using the Play! Framework. In a way, by not having my question answered I was able to find a solution that would prove to be a better fit for my needs; though I would have gladly bought a cookbook if someone had pointed one out.

MediaWiki Extension for Q&A

Is anyone aware of an already existing MediaWiki Extension that would allow users to ask questions in a similar manner to this website or yahoo answers. I've been looking for an extension to allow users to ask/answer questions referring to specific pages for my wiki and I was hoping someone might have already implemented this.
I've been having no luck while searching considering the key words I've been using to describe what I'm looking for end up returning a wide range of results.
I think there are currently these options:
The simplest is the talk page, available for every article. You could use a main page talk (see Wikipedia example - though Wikipedia uses it only for discussion about main page content, not for general discussion) or Village Pump / Community portal idea for general discussions. Not ideal but it works.
You can improve on this somewhat using the LiquidThreads extension. This enhances the talk pages but does not include gaming elements found here (e.g. up votes).
If you just want to get community views, you can use a poll like QPoll.
Finally, you can use a Chat room.
FWIW - I asked a similar question over on meta.
(You may also be interested in Wikis and Wikipedia.)
Currently there is Wikia Answers that is essentially MediaWiki based website but with excremental extensions for Q&A.
Many of its extensions are not yet available directly for download (You may get the website extensions on https://github.com/Wikia
I would be questioning why you're using Wikipedia for a project like this in the first place. It simply isn't designed for it. I think that you'd get more out of looking at a system that thinks about a website as a collection of datachunks, rather than a collection of documents (which is what wikipedia is GREAT at). Something like Drupal is going to get you where you want to be far faster that wikipedia - in fact, it's already be done: https://drupal.org/project/answers. I wouldn't be surprised if something similar exists for joomla, or even wordpress.
If you're looking at wikipedia because you're already using it for part of your site, there's no reason why you can't run another CMS alongside it.

How do I find methods?

Here's a somewhat general computer question. I've always been able to follow the LOGIC of programming, but when I go to code something, I always find that I don't know some method or another to get what I need to get done. When I see it, I always think, "OF COURSE!".
How do you go about finding relevant methods for your programming needs that are "built-in?" I don't enjoy re-inventing the wheel, but I find it difficult to find what I need to do what I want to do.
First try Google:
You can use google to search your required method. For example If I want to search a value in array in PHP then I go to Google and type "Search values in array in PHP". I find my required function at first place.
Then try Standard Documentation:
Try standard documentation to search for your required method. For example if my problem is related to strings in PHP then I go to String Functions documentation and find the required function.
Finally try Stackoverflow:
Otherwise you can ask your problem at Stackoverflow for your required methods and libraries. You will always get a shortest way.
What you are asking here is for the best way to do research. Well, that's hard skill to explain, even more so to teach.
Nevertheless here are some tips:
Go to a search engine. It makes no
sense to start in a place like MSDN,
since all of its content is indexed
by the search engines anyway.
Phrase your question several
different ways.
As you learn more
about the issue you will learn new
vocabulary about it. Use that new
vocabulary to do even more searches.
If the searches turn out empty,
switch to browsing a specific
section of the official
documentation that you think is the
most related to what you are doing. If nothing else, it will expand your horizons around the issue and give you more vocabulary to do more searches.
Finally, if all else fails ask a question on StackOverflow explaining what you want to do as clearly as possible.
Note that if there's a simple API that does what you need, you will rarely reach step 4.
You say:
It's very frustrating to suddenly find
an "easy" button mid-way through.
Try to see it differently. Think of these moments as blessings. You've just learned something. You invested a lot of effort - and instead of seeing that effort as wasted, see it as critical to proper learning. You - better than the guy who just happened across the magic method - really understand what it's for and something about how it works. And you really, really, understand why you need it, and you properly appreciate its value. You're never going to forget that method.
So it was costly, but you learned something important. Celebrate, and move on.
It is usually included in some form of documentation. Most IDEs support the documentation format and gives you auto-complete functionality.
if you are using MVS so MSDN is really good for it
In addition to this and this answer above, google's basic and advanced searching tips prove very helpful.
In addition to above, changing the order of keywords in search criteria also sorts the list in different orders.
In essence I believe that searching is still an art rather than a science, and is best learnt - quoting from David Reis' answer above: "2. As you learn more about the issue you will learn new vocabulary about it. Use that new vocabulary to do even more searches."
Search in the API documentation. But the best way to (I found so) is to search on the internet for multiple solutions and then choose the one that you think is best. Make your search as narrow as possible. For example you want to implement random number generation function, then search like this, "How to generate random numbers in Java?".
Namespaces, namingconventions, Autocomplete/Intellisence
I assume that you are trying to find some kind of Object-Oriented-apis . I use .net in my example.
First try to find a class that might be responsable for the method you are looking for.
Example: If you want to "Make a new Directory in the Filesystem" you must know (or learn) that (in dotnet) these classes are in the namespace System.IO:
This namespace contains subnamespaces like Compresseion and Classes like File, Path, Directory, ...
Second you sould know NamingConventions. There are common Naming-Prefixes for methods like Get, Set, Insert, Create. In the documentation for class Directory you will find a CreateDirectory-Method.
If you have an intelligent editor that knows your programming language and the classes and namespaces learning is much easier. In the dotnet-world this feature is called Autocomplete/Intellisence

Passing my own project on someone else - what to do? [closed]

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Often there are situations where a project is passed on someone else. And often this process is unpleasant for both sides - the new owner complains about horrible documentation, bugs and bad design. The original owner is then bothered for months with questions about the project, requests to fix old bugs etc.
I might soon be in a situation where one of my projects will be given to someone else so I can focus on my other projects. I wonder what should I do to make this transfer as smooth as possible. What i already have is a decent documentation, the code is quite good commented and i'm still improving it. Its a medium sized project, not very large but still its not something you can code in a week.
I'm looking for a list of things that should be done in order to help the future owner taking over the project and at the same time will spare me all those annoying questions like "and what does this function do, what purpose does this class have...". I know documentation is a must - what else?
Note: although my project is in C++ i believe this is a language-agnostic question. If there are things you think are specific to some language, please mention them too.
Documentation is one thing, getting it into the head of your new project owner another. IMHO this is a typical situation where "less is more" - the less documentation your colleague has to read to understand something, the better. And, of course, learning takes time - for both of you, accept it.
So
instead of writing lots of documentation, make your code self-commentatory
have all documents / source code etc. in a clean and well named folder structure
make sure your build-process is almost completely automatic
don't forget to document your deployment process, if it is not automatic, too
clean-up, clean-up clean-up!
When taking over a project, documentation is of course desirable, but even more so is a good test suite. Trying to modify a program that you have no means of testing for correctness is a nightmare.
Documentation, but on all levels:
API docs
High level architecture: What components are there, what are their relationships and dependencies
For each component, a high level description pointing to important code sections
Tutorials: If you want to do X, here's how
Data: What data does it use and how, database schemas
Idioms: If you've created some idioms within your code, explain them
And, to start, give the guy a personal introduction to all of the above in person, hopefully doing some needed change in a pair programming way
the new owner complains about horrible documentation, bugs and bad design.
I suspect that no matter what you would do, new owner will always complain about something. People are different, so something that looks easy to understand for you, will look horrible and extremely complicated for someone else.
The original owner is then bothered for months with questions about the project, requests to fix old bugs etc.
In this case you should clearly refuse to help. If you won't refuse, you'll probably end up doing someone else's job for free. If maintaining the project is no longer your job, then the new guy should fix his problem without your help. If "the new guy" can't deal with that, he isn't suitable for the job and should quit.
Its a medium sized project,
"Medium sized" compared to what? How many lines or code, how many files, how many megabytes of code?
I wonder what should I do to make this transfer as smooth as possible. What i already have is a decent documentation, the code is quite good commented and i'm still improving it.
I would handle it like this:
First, do a sweep through the entire code and:
1.1 Remove all commented out blocks of code.
1.2 Remove all unused routines and classes (I'm talking about "forgotten" routines, not parts of utility library).
1.3 Make sure all code follow consistent formatting rules. I.e. you shouldn't mix class_a, ClassA and CClassA in same app, you shouldn't use different styles for putting brackets, etc.
1.4 Make sure that all names (class, variable, function) are self-explanatory. Your code should be as self-explaining as possible - this will save you from writing too much documentation.
1.5 In situations when there is a complicated or hard to understand function, write comments. Keep them as short as possible, and post only when they are absolutely necesarry.
1.6 Try to make sure that there are no known bugs left. If there are known bugs, document them and their behavior.
1.7 Remove garbage from project directories (files that are not used in project, etc.)
1.8 If possible, make sure that code still compiles and works as expected.
Generate html documentation with doxygen. Reveiw it few times, modify code comments a bit until you're satisfied. Or until you're somewhat satisfied with the result. Do not skip this step.
If there is a version control repository (say, git repository) with entire development history, hand it over to a new maintainer, or give him(her?) a functional copy of the repository. This will be useful for (git )bisecting and finding source of the bugs.
Once it is done, and code is transferred to a new maintainer, do not offer "free help", unless you're paid for it (or unless you get something else for helping, or unless it is order from your boss which makes helping new maintainer a part of your current task). Maintaining the code is no longer your job, and if new maintainer can't handle it, he isn't qualified for the job.
I think most of the problems can be avoided with just two simple rules.
Keep the code consistent with platform style guide.
Naming, naming and naming.
If the project is huge, then you just need to run some code camps with the new guys. There's no shortcut for this one.
Remember also that complaining happens mostly because new guy is not qualified enough, i.e. doesn't understand something. That's why it is important to keep things simple. And in case he is more qualified, then I guess you deserve it ;)
Some good advice where to start hacking/changing things is always better than documentation. Consider documentation as a backup material after you are familiar with the code, it should never be the starting point (except if you are exceptional technical writer with unlimited resources and time)
If there is good documentation and commented code as you say, then you've done your part. Just make sure that the documentation includes high-level documentation (architecture, data flow, etc.) as well as lower module or procedure-level documentation.
If this is a situation where you can, I would strongly suggest you protect yourself with some type of contract that specifies what future support (if any) you will provide and for how long.
I think for a situation like this the most important thing is a working, complete build that automatically compiles, documents, and tests the project. That way, there is a well defined point at which the new developer has it working. He can then figure stuff out from the tests and documentation, in principal.

How do you let others trust your code and use it? [closed]

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I write hobby code from time to time. The thing is these tools, classes or tiny libraries of code end up in a flash stick with hopeless future! I would love to develop my projects further, and let other programmers trust them. If you were going to use something you found on the Internet, what is the most important thing you look for in that programming tool or small library? e.g. would you consider separate documentation a must?
Thanks for all contributers. I'll try my best to summarized what have been said. Feel free to modify the list. Corrections and additions are more that welcome :)
Start a blog and let others know you
are here.
Choose the most
suitable license. Possibly Open
Source licenses are the best for
hobby projects.
Put your project where people can
reach it. Consider google-code,
github, sourceforge or
other sites.
Use public version-control and
bug-tracker, So others can acquire the
latest source code of your project to
compile and use.
Write a decent documentation, beside
commenting your code clearly of
course. The documentation should
explain the purpose of the library
and provide at least simple examples.
Write tests if you are willing to provide real-world code.
If you are building a library, put a
lot of effort into designing a stable
interface.
Get a blog, release code through it. Explain why you wrote it, what problem it solves. And encourage others to improve upon it, keep the code posted as current as possible. If your tools are useful you will very quickly develop a following that 'trusts' your code.
Separate documentation isn't a must for small tools, but anything creeping into the framework world should probably have ample documentation and examples if you want any serious adoption from the community at large.
The most important thing is that the library is that it be open source, so I can read the code myself. If that is not possible then I insist on documentation.
Also consider using a project-hosting site (like google code or github).
Have a clear license with your code if you don't have one already
(preferably one which encourages modifying / improving / sharing your
code ...)
Have public version control and/or a public bug/issue tracker and/or a mailing list. There are a lot of good sites which offer these services for free.
Seperate documentation is not a deciding factor to me (if the code is well documented and the code quality is high).
Documentation explaining why you wrote it, when you started it, and it's intended function. Understanding where you're coming from will allow me to see future ideas as well as short coming you may not have seen.
Technical documentation explaining the API and some examples on how to implement it. Ideally, keep your documentation in the format that follows the language. For example C# tends to use the XML syntax for defining items. This allows me to feel at home when I'm reading it.
Clean code -- I can't stress this enough because far too many people write exceptionally ugly code. If you're code is ugly and/or unreadable, it may be easier for me to write it from scratch on my own. At the very least, make your code consistent. If I can't understand the code, I won't feel comfortable with it.
Historical records explaining your changes. Seeing how the project has grown allows me to plan better. It also allows people to see how you learn from your mistakes and get a sense of your skill level. Compared to a forum, you can get a feel for how fast things get fixed and then placed in to a new release.
Think long and hard on what kind of license you want there. Public domain? BSD? GPL? More restrictive?
A note on whether or not you mind being contacted and if there are any restrictions in this. For example, would you mind updates? Me explaining security holes? Or perhaps you might use a forum or wiki?
The ability for me to get your latest work and/or nightly builds. SVN or something. This is useful so I know if a bug I found is already fixed.
I think that documentation is a key point for your project.
The document must indicate:
what is the purpose of your library
what are the main features
a really short tutorial, to make it run in 5 minutes.
Many examples
I let people trust my code in a number of projects, but I urge people to make and maintain their own tests, and I make sure that I'm content with the unit tests.
Documentation is always good, but I'm very guilty of finding time to do as much as I would like. But having the author fairly contactable is helpful.
Posting it in an open source repository such as code.google.com or sourceforge.net is probably where to start...
Next to attract attention, document clearly and succintly the purpose of the library / application as outline in one of the answer above.
Finally, blogging and direct mail exchanges happen...
One reason documentation helps people trust your code, is that they know whether a given feature is something which you intended the code to do (and which you will, all else being equal, preserve in future versions of the code), or something that the current code just so happens to do, but which might change at any time as a side-effect of a bugfix or just a refactor.
Some people prefer find out what code really does by looking at it, and that's fine, but documentation tells you (a) what the code is supposed to do, and with any luck (b) what the next version of the code will do. If I want to use your code long-term, and take bugfix updates as you provide them, then I need to know that you've designed an interface that I can rely on and that you're willing to stick to. Documenting it is a strong hint that you're at least trying to do that.