Improve page loading speed - performance

I am the Founding Music Director of the non-profit Mozart Classical Orchestra and I am seeking a coding expert to clean mozartorchestra.org home page so it would load faster than the current 10"+. I would gladly trade concert tickets for the service. Thank you!

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eLearning website development by using PHP framework instead of an LMS like Moodle, eFront, etc

I want to develop an e Learning website where B.Tech students will come, explore the courses from various streams, see the videos, can take assessments, see their scores, improve their skills, can give their feedback, can chat with experts.
I do not want to use LMS like Moodle, eFront, etc.
How good it is if i use PHP framework like CodeIgnitor, CakePHP, Zend or YII?
Any advises & inputs will be highly appreciated.
It's very hard to answer without knowing exactly your system requirements, so I'll give you a general response regarding the preferred frameworks in 2015: http://www.sitepoint.com/best-php-framework-2015-sitepoint-survey-results/
As you can see, Laravel is the most popular framework nowadays, so you should be able to find a lot of resources/modules/components that may speed your development.
But then again, you may want to evaluate each of these frameworks against your requirements, your desired PHP version, performance in your servers and your PHP knowledge and select the framework that best fits you. To get you started, here's a sample review done by someone in 2013:
http://mavrck.com/blog/2013/01/ive-evaluated-php-frameworks-and-the-answer-is-laravel/

Using Optisystem software for simulation

I am using Optisystem software to simulate a project and the project browser of the software is inactive or disabled, where I can't access the component properties when creating graphs for report purposes. Can anyone help on that problem?
You could try the user forum at the vendor's site: http://optiwave.com/forums/
You won't have any luck posting questions on software usability on stackoverflow.com. The site is dedicated to coding issues, and other topics tend to get downvoted and sent elsewhere. You may have better luck posting questions like these on another stack-exchange site: superuser.com.

Free alternative to Atlassian Greenhopper/PivotalTracker? [closed]

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I'm working with my brother on a website idea we have, and we'd like to use a tool to plan sprints and assign estimates to individual tickets.
Atlassian's JIRA+Greenhopper looks fantastic but costs $20/month and at this stage we're just validating our idea and would rather not spend money on a tool if we can avoid it.
Are there any free alternatives to these tools?
Taiga is 100% free and has all the features that comes with something like JIRA.
http://taiga.io/
It even has a burn-down chart! So that's a win!
Here's a site with a nice overview of what Taiga integrates with and real developer opinions on the tool.
http://stackshare.io/taiga
Trello is a good tool for creating task boards and tracking work for small teams.
https://trello.com/
I get this question a lot as a Scrum Trainer.
I strongly recommend Index Cards and a Physical Scrum Board. While it won't calculate time addition for you, that task is trivial and the 'information at a glance' that a Scrum Board offers is hugely beneficial.
If you absolutely HAVE to have an electronic board, try Visual Studio Online (TFS in the cloud) which, at present, is free for up to 5 users.
Another option (We use Jira) would be YouTRACK. http://www.jetbrains.com/youtrack/buy/
It is free for up to 10 users and seems to offer pretty much the same functionality.
DISCLAIMER: I have never used YouTRACK on any level. IntelliJ is a great product though.
For Agile project management, I have used extensive Thoughtworks - Mingle
It's free for 5 users.
Another good alternative could be agilefant. Agilefant offers a free and open source product that can be downloaded and deployed into your own private cloud.
If you are looking open source project management, which you can host on your own, the following list could be useful:
ProjectLibre is a java based ms-project rich client alternative
LibrePlan is a rich client and based on these videos it seems like ms-project and includes hours spend by user on task, collaboration was not visible in the videos
OpenProject is a web based software with features such as issues, time lines (gantt chart), calendars, meeting notes and more
Redmine is a web based software using the Ruby on Rails framework that includes issues, work log, a wiki and a gantt chart and more.
You can also check TargetProcess (http://www.targetprocess.com/pricing/) it's free for 5 users
i use it for three months and it's very good
I used Trello (http://trello.com) and Mingle (http://getmingle.io) on two different projects. Trello is great for tracking tasks and collaborating for small team. My trello project team had 3 members, we were distributed. We also use Google drives to track unstructured information. My mingle project team have more than 10 people, and used it for years. Team love using it for standup on big touch TV and different roles (BA/QA/PM) like it because you have have your own workspace track different tasks and sometime build their own report).
IceScrum.
It's open source and you can run on your own server.
The best open source project planning in my opinion!
https://www.teamwork.com/pricing
"If you don't pay after the 30 day free trial you can still use Teamwork Projects free forever"
"We also have a Free Forever Plan with 2 projects and 100mb space"

Image Website => Picasa or Flickr?

I have just a simple question ! Basically, I want to make a website with lots of images (users contributions). I already have the host, but it's limited in disk space (10 Gigas). I know it represents a huge amount of image, but I prefer planning this, and host them elsewhere before the disk is full. I was thinking of Flickr and Google Picasa, but I can't decide which to use.
Can anyone help me ?
If you need more informations about my project, comment this post, and I'll edit it to answer you.
Thanks.
Regards rom France ;)
EDIT : Thanks to #premiso, I'm going towards Flickr I think. Anyone can give me a feedback on Premium Accounts ? Nevermind, I'm putting to solved :p
They both have their limitations:
Flickr's Limitations
Picasa Album Limits
Picasa / Google Storage
I am not sure how this ranks today but here is a post about the two side by side: Picasa VS Flickr
Hopefully there is some good material there for your to choose which one. Good luck buddy!

Twitter for work updates [closed]

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If you are sending work/progress reports to the project lead on a daily or weekly basis, I wondered if you would consider using Twitter or similar services for these updates.
Say if you're working remotely or with a distributed team and the project lead has a hard time getting an overview about the topics people are working on, and where the issues/time consumers are, would you set up some private accounts (or even a private company-internal service) to broadcast progress updates to your colleagues?
edit Thanks for the link to those products, but do you already use one of it in your company too? For real-life professional use?
Try Laconica: An open source Twitter-like system you could run on your own servers.
Look at http://www.yammer.com for a corporate version of twitter.
Maybe try campfire or basecamp.
We use Laconica on my team, it's very useful for those updates that you want to send to the whole team but aren't really worth wasting an email on.
Since only my team is using the installation of Laconica that we have, I take the RSS for the public feed and I integrated that into SharePoint.
So while the developers and PM's on our team use Twhirl to manage sending and recieving updates, management is still able to see the updates directly on our team site.
It's quite transparent in that nobody actually has to go to the Laconica instance I have setup to do anything except initially register.
Check out this post for information on how I integrated Laconica with SharePoint: How can I integrate Laconica update stream into SharePoint?
What about confidentiality and information security? I'm certain a company run IM service would be a better alternative.
I've viewed Twitter and similar services to be used as marketing tools to engage customers and prospects.
Or, the layer above Laconica called Identi.ca There's a good talk with the founder of Identi.ca about such usage over at IT Conversations.
Many of my colleagues are posting work updates on Twitter, being careful not to disclose company confidential information. From those working on open commercial development projects, I've even seen Twitter updates indicating which work item they were working on. Coolness.
I can see the appeal of using twitter in this way. Where I work, we send a daily project "snapshot" to basically everyone else in the company. As the company grows (we are nearing 35 employees now), this is becoming a bit of a burden to read through (or at the very least file/delete) all the status emails as they arrive. I don't know that I could see Twitter replacing these emails, however, because these emails are not necessarily supposed to tell someone when something is completed, but rather to tell someone what it is I'm working on today, and what my upcoming projects are in the future.
I guess most of our project updates are actually done more frequently in person. For larger projects, we now employ what's referred to as a "burndown". This basically means we gather for a quick re-estimation of how much work is left on a project, which then results in a nice graph that should show whether the project is on track or not.
We do also throw in the occasional email when there's something more immediate, or if someone isn't available for discussion/notification.
I would consider what the reports were meant to accomplish, and then discover a solution that accentuated that objective without being a logistical nightmare :)
Twitter might only be appropriate if the updates had a short shelf life, and if scattering them among other updates wasn't destructive.
There's also a question of confidentiality on any 3rd party service like this.
Check out https://presentlyapp.com/
The Prologue theme for WordPress was designed with this in mind.

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