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I am looking for a web-based WYSIWYG (or WYSIWYM) editor like TinyMCE or WMD Editor (used to write this question) that supports users to write mathematical formulas. I have looked at LaTeX a little bit but it has a learning curve and I am not sure if support for MathML is extensive. Ideally I would also like to avoid having to rewrite an editor and would rather just pick one off the shelf.
Would like to know if any of you have dealt with a similar situation and what solution you adopted/built.
I was looking for something similar and came across this question. Then I was excited to find Mathquill, via the Wikipedia page on formula editors.
I've used a bunch of different formula editors, from MS Equation Editor to Google Docs' to LyX, and this is probably the most usable/fluid of all of them for simply banging out formulas. And it's web-based and GPL. This thing is much nicer than Google Docs' formula editor, at least.
Still leaves plenty of things to be desired, e.g. so far I've found: bolding, entering things like bra-kets, \hat, undo/redo history, mouse drag selection, etc. But I'm impressed by what's already in there. Anyway, it's just a few Javascript files, and on github.
http://www.dessci.com/en/ has the software to do exactly what you want.
I used texvc in a project a while back (what wikipedea uses) and it was reasonable, but it isn't really WYSIWYG. On the other hand, I prefer that since in many cases it's easier to specify what you mean than draw it.
see here DragMath
http://www.dragmath.bham.ac.uk/index.html
which is already used by Moodle and other sites.
And its Open Source
WIRIS would be another Javascript based visual math editor (commercial license required for some applications).
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At the moment I can not find a somewhat up to date version of mdc for dart. I can find for example https://pub.dev/packages/mdc_web and https://github.com/dart-lang/angular_components but both are really far away from an up to date implementation of Material Design.
Is there a library apart from this I can use, so that I can use up to date material design with dart?
The two links you posted have different use cases. The former is for vanilla web dev using Dart, and probably your best bet unless you plan to use AngularDart. Even though it has not been updated in over a year, I don't think there is anything newer. You could try cloning the repo and adding support yourself for the missing or outdated components which you desire.
AngularDart is (in my opinion) a great framework. The latter link you posted is specifically for use with AngularDart. Last update it was 15 days ago. This project is maintained by Google and I think it is safe to say that Google is by far the largest user of AngularDart. Their material design components which you linked to are going to be your best bet in this case.
Generally speaking though, using Dart for web dev never achieved widespread adoption, so there are not large communities with a lot of active package maintainers.
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I have a legacy application that generates VRML 1.0 files. I'd like to build a WebGL-based web interface that can display these VRML files. Is there an easy way to do so?
Edit: Specified that they are VRML 1.0.
If you can get it to VRML 2.0 (VRML '97) using a tool like the above-referenced one from Parallelgraphics, you can use the Fraunhofer Institute's tools (see discussion and links to InstantReality at http://www.x3dom.org/?page_id=532) to go from VRML 2 to either X3DOM or X3D. With Firefox or Chrome and a current graphics card and driver, you've got the WebGL support needed to run X3DOM. X3DOM handles only a subset of X3D, but can be referenced straight from XHTML and CSS, or plug-ins required. It's at a much higher level and easier to deal with than dealing directly with WebGL.
As I understand it, X3D is a development from VRML, and there's a WebGL-based renderer for it called X3DOM. Converting over is unlikely to be zero-effort, but it might be easier than trying to make the jump all the way to a "native" WebGL format.
VRML can be pretty complex with lots of interactivity and it doesn't look like a ont-to-one converter is available. However, here is what you could try:
Convert your VRML file to a standard OBJ file using something like MeshConv
Import the converted file in CopperLicht (Free) or CopperCube (Not free)
You will then have some kind of conversion of your VRML file which you can fine-tune.
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I'm looking for a decent charting library to use with Delphi 2010.
We dont want to require additional framework be installed on client PCs, so would like to avoid toolkits that use .Net, Java or Flash.
The chart types we need are pretty straight forward (2D and 3D pie/donut, bar, line), but the customer wants to have attractive charts with translucency, rounded edges, etc. Similar to what's available from Dundas Charts.
TeeChart seems like a natural choice and we looked at TMS Advanced Charts, but they don't support the appearance the customer is asking for.
TeeChart is excellent, but you must read the documentation. At least initially, I found it somewhat non-intuitive, contrary to the experience of M Schenkel. The documentation is good and extensive, as TeeChart has been around a while. For customization, TChart exposes OnBeforeDrawChart and OnAfterDraw, and so Windows GDI methods can be use to modify the appearance. TChart can also do certain extended chart types, including a donut.
I have used both TeeChart and TMS Charts. Both can be used without any additional deployments (i.e. ActiveX, dlls). I tend to use TeeCharts more; it is a bit more "seasoned" product and a little more intuitive.
Have a look: http://www.kronsoft.home.ro , but it's a died project.
The Jedi library offers a pretty decent charting / graph component,
it's very understandable and offers pretty much of customizing
http://www.delphi-jedi.org/
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I find that I now often work with code bases that have different amounts of indentation. Some use 2 spaces, some use 4 space, some even use tabs! Once in a while, I have to share code between these codebases, or, sometimes I use an incorrect amount of indentation by mistake. Is there a tool or a text editor feature that will convert between different amounts of indentation?
Update: I mostly code in Javascript, HTML, CSS and Python now days. I'd prefer some thing language agnostic, because I work with a few different languages.
It depends on what you're using. In recent versions of Visual Studio, for instance, ctrl-k,ctrl-d will format the entire document you're working on.
A couple quick commands in Vim will convert all the tabs in a document to spaces.
At the command line, indent will reformat C source code.
UltraEdit is a text editor that has some excellent search/replace capability, plus you can toggle the visibility of whitespace characters. It's easy to convert 4 spaces to a tab, and vice versa. However, it's not something you would probably want to convert files in often, it's more of a text editor on steroids than a tool for just tab/space refactoring purposes.
For C, C++, C#, and Java code, you can use Artistic Style (astyle) to beautify/stylize the code according to your preferences. Tabs vs. spaces (as well as how many spaces) are one of many available options.
You don't say which language your developing in but I've used jalopy for Java and perltidy for Perl before.
Both of these tools you can set indent amount and brace style etc.
Here are a bunch of language-specific reformatters.
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Is there a good code snippets application for Delphi or general purpose with IDE integration? I would like to store Code, queries, notes, etc..
Thanks
GExperts has a Code Librarian feature for code snippets amongst many other nice features and integrates with the IDE. Well worth to check out even if you don't decide to use the Code Librarian feature.
Delphi 2006 and later has Live Templates. They are a bit tricky because you've got to edit XML files to really make them work, but they are powerful when they do. See Nick's Live Templates Camtasia Presentation. Ctrl-J is the shortcut to invoke this.
Prior to that, Delphi 2005 and earlier had simple code snippets. I believe Ctrl-J also invoked them.
Another option is to use Castalia and its Code Templates feature.
Dittos to Ozmosys above.
Also check CodeSnip Database Viewer from the delphidabbler:
http://www.delphidabbler.com/software/codesnip
I use Knowledgebase from Ozmosys. It hasn't been updated in a while, but it works, and it is written in Delphi. Ozmosys
I have to endorse Ozmosys' Knowledge Base too. The reason it hasn't been updated in a while is that it just works. When I DID have issues early in the development of the program, the author was very responsive and quick about doing it. It's logical and easy to post code and other types of hints. I use it every day, juggling the three or so projects that seem to be perpetually on my plate.