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As I see several dart packages published at dart package website, I am curious to know what packages does flutter endorse?
The question would be vague, so I would like to focus on a specific package dio. I have contacted few flutter developers, and have been told that the package is not yet a industry standard, also I was introduced to some packages that were published just hours back, for example jaguar_retrofit. I also see dart https package used frequently in flutter documentation.
This weighs me to look at what would be the most promising in the future.
Can someone solve the package mystery for me, any flutter insights available?
This is a valid question, but not one that you'll probably find a final answer to on stackoverflow (and it may be closed as off-topic although I won't cast that vote). You might find better luck at https://softwarerecs.stackexchange.com/ although there may not be too many dart/flutter specific people there; I don't know for sure.
But realistically, no-one knows what might happen to the packages in the future other than the people maintaining them. That would probably be a good first step - make contact with the developers as they will be able to give you a better indication of how committed to maintaining their code they are.
Other than that, what I'd look for is who the publisher of the package is (see below, under the "Author").
If it is the 'Dart Team' or 'Flutter Team', there's a fairly good chance it will be maintained. If it isn't, but the uploader has a '#google.com' email address, there's a chance it's just one of their 20% projects, but there's still a better chance of it being maintained than a random dev.
And finally, if the package's licence allows for it (which pretty much everything on pub should) you may be able to help the developer with it in the future, in which case everyone wins =).
It helps to look at the official documentation:
Fetch data from the internet
JSON and serialization
More in the cookbook.
Some time ago, I took a look at the dio source code and I'm not really convinced that it is a good option. Basically it is just a thin wrapper around the standard http library.
The retrofit clone seems to rely on a custom JSON serializer code generator, instead of using one of the standard solutions.
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What is the guideline on creating a program or part of a program based on a non-free code, for example from codes Microsoft's sample code for .net or code found in someone's blog? The codes are there to help a programmer's work right? If one feels that part of such code is helpful in his work, does he have to reimplement them from scratch, or is it okay to copy and paste some codes? What is the limit?
In addition to the general advice of "go ask a lawyer," here are some other thoughts.
I am not a lawyer, but I am responsible, as a senior product line manager, for making the decision of when to discuss something with a lawyer.
If you work at a company that has staff lawyers, then it is always a fine idea to go talk to them. Usually you'll want to discuss with your manager first. If you're in a product development group then you should also talk with your product manager.
Generally speaking, there is no such thing as public domain code. Rather, every bit of code should have an license.
Re: can I use Microsoft sample code? Yes, as their web page says: The .NET Framework documentation includes code examples that you can copy directly from topics and paste into your own projects. -- Quoted from their web page that you referenced in your original question.
Added: The one liner from the MS site is a summary of their license. The actual license is longer and refuses responsibility for what the code may or may not do, suitability, etc etc. But the one line summary, especially for sample code, is clear enough.
Re: can I use code samples from blogs Yes and no. Blogs should include a license for their software postings. Some do, many do not. If they don't, consider writing to the blogger and asking something like Which license covers your software examples from your blog? The BSD license (example from Yahoo: http://developer.yahoo.com/yui/license.html) or similar?
The reason you'd suggest that the blogger consider the BSD license is that it is very open. But, for example, the blogger could come back and say, "My examples are licensed under GPL 3."
In that case, you'd be bound by GPL 3 if you use the blogger's code.
Added: Can I use software examples from StackOverflow? Per the above, you should look for a software license from the blogger. And guess what? There is one for Stack Overflow. See the Legal link at the bottom of each SO page. On the Legal page, see section 3, "Subscriber content." That section gives you the license for all code samples on SO.
Conclusion If you want to be living within the licenses from the sw writers, then you need to know what those licenses are. If you don't know, then you run the risk of not actually having the right to use/re-license the software.
A different question, is "must I always have a proper license for software that I'm using?" The answer to that question depends on many things. The simple answer, especially if you work for any government, public or private institution is "yes." And, of course, as a proper member of society, you should also only use licensed software, for the obvious reasons.
Suppose, for instance, you see some sample code on a blog. The code is very useful to you. You want to use it. But there is no license for the code on the blog. You write the blogger, but get no reply. Can you use it? You could, but there is a risk (probably small), that the software's owner (the blogger) could decide to sue you. So then the real question is, should I assume the business risk? That's a business decision, not a technical decision. A reasonable business decision might then be, "Yes, let's use the software and take the risk of a problem."
Added: Microsoft Public license-- Microsoft (MS) licenses its sample code via its "Microsoft Public License." Also known as the Ms-PL. The license. Example of a .Net sample referring to the Ms-PL. Another example of Microsoft sample code.
I doubt copying somebody's "Hello World" or "How to connect to a database" code would be much of a copyright issue, and example code usually gives the basics. The issue here is that there are only so many ways to do something in a programming language, as long as you're not directly copying significant portions of code you should be fine.
The summer is coming up and I will be having a lot of time on my hands. I thought spending the time collaborating on a project online with several other passionated programmers somewhere in the world would be a great idea. I've never tried online collaboration before although I am used to working in larger teams and using source control, so it would mainly be the lack of direct communication that would be new to me. I would be interested in starting a project with programmers around my own level or (preferably) better and finishing the project over the summer/fall.
One problem, however. Where would I go about finding people for such a project? I'm not interested in joining an on-going project but rather be part of a new one. Certainly there must exist sites online where this is possible? The project properly wouldn't huge in any way. I'm thinking a little cozy project such as a arcade 2d game, a subtitle site, a world cup stats tracker or similiar.
Also, what would be a better approach. Finding the people for the project and then come up with an idea for the project or putting an idea out there and see if anyone was interested?
PS: If anyone on this site find the idea interesting feel free to post here or PM me and we'll have a talk about it.
The Google Summer of Code is really perfect for that (and there usually are very interesting projects to work on):
Google Summer of Code (GSoC) is a
global program that offers student
developers stipends to write code for
various open source software projects.
We have worked with several open
source, free software, and
technology-related groups to identify
and fund several projects over a three
month period. Since its inception in
2005, the program has brought together
over 3,500 students and more than more
than 4,000 mentors & co-mentors from
nearly 100 countries worldwide, all
for the love of code. Through Google
Summer of Code, accepted student
applicants are paired with a mentor or
mentors from the participating
projects, thus gaining exposure to
real-world software development
scenarios and the opportunity for
employment in areas related to their
academic pursuits. In turn, the
participating projects are able to
more easily identify and bring in new
developers. Best of all, more source
code is created and released for the
use and benefit of all.
Go check fast if you can still enroll.
To expand on Symen Timmermans answer, non-profit agencencies traditionally do not have the budget to fund many of their IT needs and would probably really appreciate some volunteer IT assistance. I would think you could easily muster up a summer project by approaching some agencies. Be clear that you are offering your services for free.
Besides gaining some exposure to some real-world problems, this may be an opportunity to network within your area. And it also looks pretty good on a resume.
This, perhaps, will lead you in the direction of a project. From there you could try contacting people you know or perhaps ask around at a local user group to see if anyone is interested in collaborating with you.
The OpenHatch.org website exists to help connect people with tasks that need to be completed on various Open Source projects, and to connect them with mentors in the target languages/technologies.
On the Volunteer Opportunities page, you can search through hundreds of open tickets in over 250 projects. On the People page, you can search for others who are willing to mentor you in the target subject with a search like can_mentor:"Python", or search for others near you, and more. The more people that join on the web site, the more visibility that it gets for more projects and people to come and participate, so why not join in the fun?
Why a programming project?
Your tag 'nonprogramming' sparked some ideas. Why don't you research possibilities in your neighbourhood for things like community projects? There might be plenty of organizations looking for you as a volunteer.
Though those projects might not seem as challenging as an innovative programming project can be, they can be really rewarding, especially if you directly witness the benefit your collective effort provides to others. Also you might learn a new skill, meet interesting people, and learn new things about yourself.
Think about it.
First you'd have to think about what kind of project you wanna do.
Game, etc..
Then I would look for a Forum / Community and start looking there for mini-projects.
I however have no particular site to offer you currently.
Also I believe the communities will depend on the languages etc... you are comfortable programming in.
Cheers,
Build It With Me is a website made for connecting developer and designers with ideas.
To find people to work with you on a new project, you have :
to go where they are
to convince them to work with you
Programming folks can be met directly on IRC. Go to a channel corresponding to the computing language you like, and you'll met great people, knowing your language and wasting their time on IRC. You have then to convince them to stop wasting time saying nothing on IRC and to go with you on a new project.
Summer is already well started, so you should choose a small project that can be useful to anybody. People will work with you if the project you propose them is interesting enough for them. Here is an idea of a useful tool that does not exist yet :
http://ha.ckers.org/blog/20100613/web-server-log-forensics-app-wanted/
You could try going to SourceForge and finding a new project or creating your own. They have a large community there so you shouldn't have any trouble finding people to work with.
The majority of components available for Delphi do not have HTML Help files for Delphi 2009. Many components including some very popular commercial components only have HLP and CHM help files.
Many of the third-party components are no longer being actively developed but are used by many developers. As a result there is no IDE help for these components.
There were very few complaints about the old CHM help files but today there are a large number of complaints about the help file system. Maybe it is time for Codegear to rethink the type of help file system used.
One of the complaints that I have about it is even when you install components that provide HTML help files the Contents Tab becomes corrupted where by previously installed component contents are removed.
Are there possible alternatives for Codegear to consider?
I have the same feeling. The old help system helps me more quickly to find an answer.
One idea is to maybe to model it after the Delphi Wiki at: http://delphi.wikia.com/wiki/Delphi_Wiki
The wiki actually isn't set up that bad, especially with the VCL link in the left frame.
It's fairly pleasant to look at, has a decent search, includes issues, examples, cross references, and what I like the most: user comments and tips.
Actually regarding the user comments and tips, the thing I like most about the PHP documentation at www.php.net/docs.php (which I think is the best programming documentation I've seen) is the user comments and tips.
If they can integrate the great layout that you'll find at Delphi Basics into it, and allow 3rd party components to add their help files into it, then they'll have a complete reference. (But the 3rd parties will obviously have to restructure their help files to the new format - whatever it ends up as).
The wiki also has sections for Tutorials, Tips and Tricks, References and Popular Articles. And I think it could also become the all-encompassing code-repository we all would like.
An option to download the help wiki should be allowed so it can be accessed offline.
And they'll have to figure out how to get the F1 key to work to properly search the wiki/help file, whether online or offline, and give the most relevant results.
The trouble with the Wiki now is that it is not complete, and the full set of Delphi help files need to be incorporated into it.
This might be a pipedream, but something like this would be my ideal.
This is a pet hate of mine. The Delphi Help has just got worse, although with a recent slight improvement. I honestly believe that this is one of the things holding back its adoption.
Micosoft introduced Help3 for VS2010, so maybe we will see it in Delphi too:
here is a blog post which answers the question "Why A New Help System?"
http://thirdblogfromthesun.com/2010/10/the-story-of-help-in-visual-studio-2010/
It quotes an internal paper, which led to the new "Help3" project in
early 2008:
"The paper described the following
issues with the help experience in
Visual Studio:
Not being able to find the information you need is a common
problem. F1 Help and Search do not
work as well as they should.
The performance of the help system – primarily start-up, topic-load,
local search results – is one of the
biggest problems.
The offline MSDN library install is fragile due to the complexities of
the help system.
The proprietary nature of our help format offers little incentive for
partners to develop authoring tools
and cannot be easily adopted by
developers in their own products.
On the content production side, the help platform saddles us with
outdated tools and processes.
Finally, and most importantly, no single team at Microsoft owns solving
these problems."
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During a typical day programming, I implement functions in a way that I would like to remember. For instance, say I tuned a DB insert function that, when I come across the situation again, I want to find what I did to resuse.
I need a place to keep the solution(what I did), and I need to find it somehow, which may be months or a year later. Using a mind map sort of idea, I was thinking about a personal wiki, but then I heard the stackoverflow podcast mention using this site for such a reason. Does anybody else keep track of slick things they've done so that they may find it sometime in the future. If so, what did you use, and in general, how do you use it?
i like to personal blog idea and using the stack for it. i'll try the idea of posting at the stack and then answering it myself, with the benefit of other people potentially giving their opinion.
As long a the stack will be around for a while :)
Jeff Atwood recommends using Stack Overflow for this kind of thing. Post a question (your problem) and then post an answer (the solution you found). This lets you share the information with the world, and maybe get some valuable feedback or better solutions.
(Wow, I got downvoted for repeating what Jeff Atwood said. I won't do that again, I promise.)
I use neomem all the time. I write notes to myself. Then I can later search for it.
You may find these questions useful
Where do you store your code snippets?
Tracking useful information
What is you preferred site for code snippets?
I use a personal Wiki, my del.icio.us bookmarks and my own blog for that. Usually my blog: When I learn something that I know I might stumble on again I write a short post in my blog.
I use WikiDPad or Wiki-On-A-Stick. It works not only for code snippets but also to take notes, record typical problems you get and how to solve them and documentation. Take my word for it, it makes your job a LOT more easier if you have proper notes... and add the power of interlinking to it and you have a killer resource. I have very bad memory and taking notes has improved my performance by an order of magnitude. It also saves you from having to ask someone the same question twice or thrice. Also, if anyone asks the same question, you can just helpfully point them to the wiki and they can read it and add to it if they need to.
The technical term for what you are thinking of is "code snippets", and googling for that will find you many programs designed to store them for a variety of platforms, including entirely web-based ones such as this one.
I set up dekiwiki on a server at work that my coworkers and I use for company specifics stuff but also for general programming tips that arise as well.
A simple wiki, may be useful. SeeTiki Wiki
I always put it on my blog. Not only am I able to get back to it later, there is also a chance that it can help someone else as well.
It's oldschool, but I keep notes in a notebook. Makes remembering solutions (or the problems that caused them) a bit easier. Usually I make 1-2 pages of notes a day.
The digital equivalent of this would be keeping a private blog or journal. Easy enough to add a search program to help you find stuff.
Worthwhile things that my boss might be interested in, like bugs and user calls all get entered into bug tracking software where it is more formally handled.
I use the excellent Trac project management system for my personal projects, and I use it's wiki as a brainstorming and note-taking tool. And, because it also hooks into the Subversion repository and the bug tracking system, I can link from my notes right to a particular section of code or a bug report.
I keep my personal projects on assembla. Wiki, Issue Tracking, Source Control... very useful.
Check to see if your editor has some kind of annotations feature. Ideally you could link a particular location in code with a small note, and store it in a centralized place. If it doesn't, that kind of plugin wouldn't be too hard to build, your biggest hurdle is going to be how to link the piece of code to a file (due to the volatile nature of code) and even that one isn't insurmountable.