I'm pretty new to static libraries. I recently created one library because I have a lot of source code, and the updates of my projects ended as a nightmare.
So, this is a static library for iPhone.
My question is quite simple : I use this library for me and my company. But, how can I use a portion of it to make projects for my clients ? For example, I have a class which reads PDF or Photos, depending of the initialization parameters.
I don't want my client able to use the photo part, just by seeing the headers. How can i achieve that ? I thought to remove some parts of the headers i will give to my client, but i'm pretty sure there are better options.
Thanks
Presuming you are using objective C code, it will not be enough to just remove the headers since a smart client will be able to "ask" the code about its interface by using class-dump.
So if you want to be certain that the code is not available to your clients, you need to remove it completely from your static library.
Update:
CocoaReverseEngineering provides information about how to access the hidden information in frameworks and libraries. But you can also use it so you know what's possible and thus preventing it happening.
Related
So one of the neat features of languages like PHP is that you can include other files pragmatically and make a plugin-like system. I haven't seen an example of it yet, so I am not sure it is technically possible in Dart, but I would like to start designing a CMS that can load and unload plugins live without restarting or a fresh upload.
Currently it is only possible to load/unload code dynamically using Isolates.
In the browser new isolates don't have access to the DOM and it is limited which types can be passed between isolates. What can be serialized to JSON can be passed between isolates easily but for custom types you need to serialize yourself. I'm not sure about the actual limitations here though, this is work in progress.
In the browser the current limitations make it hard to make use of isolates. You can't load code into an isolate that imports 'dart:html' this prevents the use any browser API. On the server there are no such limitations.
This should all be improved but currently there are still a lot of limitations.
I'm in the middle of converting an existing app built on top of zend framework to work as a plugin within wordpress as opposed to the standalone application it currently is.
I've never really used zend so I've had to learn about it in order to know where to begin. I must say that at first I didn't think much of zend, but it's funny because the more I understand how it works the more I keep questioning why I'd want to remove dependency when it's a clearly well thought out framework. Then I'm reminded that it's because of wordpress.
Now I already know there are WP plugins to make zend play nice with WP. In fact I'm aleady using a zend framework plugin just to get the app functional within the WP admin area which is allowing me to review code, modify code, refresh the browser, review changes, debug code, again and again.
Anyway, I really don't have a specific question but instead I'm looking for advice from any zend masters out there to offer advice on how to best go about a task like this one.... so any comments, advice, examples or suggestions would be super.
One area I'm a little stuck on is converting parts of zend->db calls to work as wpdb calls instead... specifically the zend->db->select.... not sure what to do with that one.
Also on how to handle all the URL routing with automatic calls to "whatverAction" within thier respective controllers files.
Any help would be great! Thanks
You're probably facing an uphill battle trying to get some of the more major components of ZF to work in harmony with Wordpress. It sounds like you've got a full MVC app that you're trying to integrate into a second app that has very different architecture.
You probably want to think about which components handle which responsibilities. Wordpress has it's own routing and controller system that revolves around posts, pages and 'The Loop'. This is entirely different from Zend's Action Controllers and routing system.
It's possible you could write a WP hook to evaluate every incoming request and decide if it should be handled by WP or a ZF controller. However, it is doubtful you would be able to replace WP's routing system outright with ZF's or vice versa.
Same idea, where Zend_Db is concerned. There's nothing stopping you from using Zend_Db to access Wordpress's database, but trying to somehow convert or adapt Zend_db calls into wpdb calls sounds painful. If you have a large model layer, you probably want to hang on to it, and find a way to translate data from those models into the posts/pages conventions that Wordpress uses.
Personally, I would use ZF to build a robust business layer that can be queried through an object model via a Wordpress plugin, and then rely on Wordpress to do the routing and handle the views.
Zend_DB_Select is simple SQL query (but created using objects) that can be used like any other query. Just turn it into string. Ex.:
mysql_query((string)$zendDbSelectObject);
I've been thinking about this recently and I don't know a really nice and tidy way of creating a mobile version of an existing or new MVC2 website/app.
I think the easiest way would be to just use a different stylesheet depending on whether a mobile was detected but sometime you need to change the view content too if you have massive inline images everywhere or for other reasons.
What is a good approach for this? Is there a way of theming fairly easily in MVC2?
Well MVC is just your server-side technology, what you should ask to yourself is "what is the best practice to create a mobile web site, regardless of the server side tech".
In my opinion, creating a well-formed and semantic (x)html is the first step. As you say, the most logical thing to do is create different style sheets for different media types, and you're right.
As for the problems you mention, like inline images, consider this: are those images content or presentation?
In the first case, they should be present even in the mobile version.
In the latter, they are defined in the style sheet, so you can simply avoid them in the mobile css.
The only exception I can think of is when you want to provide different functionality on mobile, or if you're forced to, i.e. on pages that rely heavily on JS and those scripts wouldn't run on mobile browsers. In this case, you might want to create different versions of those pages and serve the appropriate version based on the user agent.
Check the source code for NerdDrinner. They've implementated a MobileCapableWebFormViewEngine class which inherits from base WebFormViewEngine class. The MobileCapableWebFormViewEngine uses the HTTPContext to decide which View to render in the client. This'll make more sense when you see the source code
i wonder what the difference between a library and a plugin is?
if a component creates a database (maybe comes with a .sql file or creates through a method) could it still be a library or is it called a plugin or module?
cause i am creating a address book component and it provides methods to insert and read records in database. i don't know if i should put it in library folder or plugin folder.
please shed a light on this.
thanks
I vote for plugin.
A plugin extends the capabilities of a larger application. That sounds exactly like what your address book is doing.
A library is a collection of subroutines or classes used to develop software. I think any component that instantiates its own database falls outside the scope of a library.
This is a matter of opinion and of taste. Libraries tend to not do that much on their own but enable you ("the programmer") to do things. Though that could be said of many plugins as well...
Library: Is a collection of bunch of methods used to perform more number of task.
Plugin: Is a collection of few methods used to perform particular task.
I guess that would be more of a plugin. A library generally provides some pragmatic function or something. Like a way to access a service, or provide a function set, but it generally does not create a database of its own.
Plugin is your third party classes. Library is your own classes that you have implemented for your project.
I would like to make a small program that scrapes information from a 3rd-party GWT-enabled website. Is it possible to somehow call this RPC directly? What would I need to reverse-engineer to do this (i.e. hopefully not the entire low-level protocol).
I am hoping I could somehow just call this from within my own server-side GWT or Servlet app.
It is possible... but you would have to go through their code to understand how the serialization/deserialization works.
Classes of interest are
RPC.java
ClientSerializationStreamWriter -> ServerSerializationStreamReader are the classes involved in making a GWT request.
ServerSerializationStreamWriter -> ClientSerializationStreamReader are the classes involved in creating and interpreting a response.
I am trying out a similar thing as an academic project, and I will add more information if I can decipher these classes.
I'm pretty sure GWT makes it difficult to do cross-site requests, for the sake of security.
Any solution you come up with will probably be hacky (and not flexible to future changes), and since you're presumably doing it without the consent of the site in question, probably a bad idea to begin with.
Is there some reason you can't ask the site to publish their data using a REST API?