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I know jQuery & Java. I want to build a backend for my android app. I don't want to learn Javascript right now. Can I make backend via Express.js with only jQuery knowledge? Or is there any backend service like Express.js based totally on jQuery?
JQuery is browser based. If you are dealing with JSON objects then it would be easy to use Express.js which is a library commonly used with Node.js. You cannot use JQuery to code backend.
You cannot use jQuery for backend development and you can't use it with express.js, it's limited to frontend.
Generally if you already know jQuery, plain javascript will be easy to pick up. And you generally don't need a very high level of javascript knowledge to get started with express.js atleast.
I'd suggest an hour of codecademy or something of the like to get to grips with the syntax.
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I am a Java developer and I know Rest APIs. But what if I want to make great webpages using website building tools like WordPress and then with Rest API I can connect with my backend server.
Will that be a viable solution or I should look for something else?
On a very basic research I got to know that wordpress runs on PHP, but I am not looking to learn PHP at this point of time.
I am looking for the below things :
1 - Some tool which helps in building rich HTML page, that has drag
and drop options.
2 - I am thinking to use Spring boot for
configuring Rest API.
Basically I am looking for some suggestions in building good websites having knowledge of Java. (And yes I still need to learn Ajax and Javascript.)
I might be absolutely wrong on what I am looking, but any suggestion will be of great help.
A REST client (in your case a website) doesn't care what programming languages/technologies were used to create the server. You can have a server hosting a WordPress website (PHP) and have another server for your REST API created in Java or whatever other language you might want to use. If you want to make REST calls from your WordPress server (e.g. for server-side rendering), you'll need to use PHP. The more likely scenario is that the website makes REST requests from the browser, in which case you'll need to use JavaScript.
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Can you suggest a basic faceted search library use at client (browser) side.
I quickly looked through exhibit3, but looks heavy for my usage. It mentioned somewhere that exhibit3 can be used on client side alone, but the setup mentioned a backstage project in java.
http://www.simile-widgets.org/exhibit3/examples/nobelists/nobelists.html
Above is an example usage I am looking for (only the category search, no time line view, etc). If it can group data and allow faceted search from json file (independent of backend), that will suit my purpose.
EDIT:
Found a good walk through of one of the exhibit example here.
It pulls lot of dependencies, and wish there a minified version (ready to use :-) ). Anyone uses this for client only solution for relatively medium size data.
facetedsearch.js looks like it would be appropriate. Find it here: http://eikes.github.com/facetedsearch/ or skip the fancy site and go straight to the code: https://github.com/eikes/facetedsearch/
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I have been wondering if it is possible to have a portable MongoDB instance.
My goal is making a full Javascript + HTML5 application, and store data in a /data folder, and each collection would be a .json file, but hardcoding a literal database would be certainly reinventing the wheel (or steel).
I googled some Javascript-made JSON databases as a reference, but my eyes shine on BSON data formats.
Is that possible?
Or better, am I missing another mind-breaking technology that would fit my needs?
Thanks!
Disclaimer: I just came across this and haven't tried it yet.
MongloDB (https://github.com/Monglo/MongloDB) looks interesting. From my quick look it appears to be a MongoDB look alike interface that makes it easy to back with local storage or a cache and AJAX to a server side store. But as I say I have not tried it yet. The joys of random github finds.
I created NeDB - a pure Javascript database implementing the MongoDB API. It can be used as a Node.js module and in the browser and supports persistence.
It also supports indexes which make it much faster than databases who don't (e.g. TaffyDB and it seems to be the case for MongloDB as well)
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In the process of converting a .NET rich application to Javascript. One of the GUI features folks liked a lot was to rearrange their application layout. In .NET this was accomplished via Sandock:
http://www.divelements.com/net/controls/sanddock/screenshots.aspx
Anything like this for Javascript?
The closest I know to that is the javascript library ExtJS. I've used it in a few projects very successfully since it allows you to create rich Web UIs very similar to windows UIs (or widgets).
The learning curve can be a bit steep though if you aren't that familiar with javascript, however the community is quick to respond and helpful.
If ExtJS is not your cup of tea, there is a rather nice jquery port of the same concept.
Demos here:
http://layout.jquery-dev.net/demos.cfm (particularly this)
I needed this very thing, and did not find any to my liking so I decided to write my own. It is almost complete, but you can check it out here:
Edit: Still being developed actively, but fully functional now.
http://docker.webcabin.org/
If you are still looking for a javascript dock panel implmentation, I just created one myself. You can find it at https://github.com/developerDoug/HtmlJavascriptDockInVS2010
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I need to generate many internal client-side (within the company only) graphs from streams of data, and since the data itself is "secret", I can't use a service like Google-Graphs for generating the graphs. So I was wondering if anyone has some recomendations for a javascript graph library that doesn't require a server.
Thanks
Have a look at flot a javascript plotting library.
EDIT
The official flot repo lives on github
Have a look at Raphael (github).
The data is likely going to be in plain text if you use a javascript library to render it client side... Even so, jQuery Sparklines can generate simple graphs client-side.
Found a library called PlotKit for Mochi, while looking at Nickf's canvasgraphjs link.
If you use a client-side library, your data is pretty much out in the open. If the data is secret, I think what you need is a library that generates the plot on the server side and outputs images. JFreechart is one library that does this in Java. I am sure there are others.
Check D3.js: JavaScript library for manipulating documents based on data.
I didn't try it myself yet, but it looks promising and interesting.