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When I actually write in the wiki, where are the changes actually being stored?
I have searched the source code for keywords that i have actually written and i cant find it, which obviously means its being stored where it cannot be searched directly.
I have made changes to it i.e. written in it, but sourcetree does not seem to be recognising it.
Do you mean the site's contents? They are stored in a database file which is read and written by the code.
It would be quite unmaintainable, if not outright dangerous, to mix user-submitted data with executable code.
They are stored in a database table called page (or something similar)
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What are the open standard principles ?
I googled it but I am getting different answer from different website cant decide what to write
It's a pretty confusing concept because it is NOT the same as open source.
Open source means you can get the CODE and use it in whatever way you need (make your own changes etc).
Open standard means you can get the PROGRAM / TECHNOLOGY for free. To put it very roughly, open standard is that you can get a complied ".exe" executable (but no source code), and install the software at no cost, and open source means you can have the code, make your own changes, and then make your own ".exe" if you want.
HTML and XML are open standard technologies.
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I need to transform an xlsx file to CSV in AIX. The server doesn't have any command for that and I am not allowed to install anything on it. Also, no Python/Perl library for reading Spreadsheets are installed on the server.
Is there still any work around for doing this?
P.S.: it has to work with what is on the server
xlsx is an open xml format, specifications can be found.
Otherwise libraries for perl can be found on CPAN, sources may help to pick some parts.
To start maybe unzip the .xslx it will give a set of xml files and have a look if data can be retrieved.
It is no way to do it or at least not an easy one (like a simple script or command).
Maybe by working on that xml files (Nahuel Fouilleul answer) but it will take too much time.
jugging by reception alone of the question it looks like people don´t want to touch this issue even with a stick.
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I have a geoJSON file that needs to be edited. For example, I need to do a Find and Replace operation. However, I cannot even open the file (150 MB) in some applications. With TextEdit (I'm on a Mac), I can open the file, but the app stops responding and freezes almost immediately when I try any Find and Replace operation.
The file contains data (Points) that I'd like to map (I think I will use Leaflet), so eventually I need to transfer the file to my server. Given the size of the file, will I run into any problems there and then mapping the points in a browser?
Any advice or pointers on what to do would be appreciated.
Check out this link on replacing text from the command line. You should be able to use sed to replace those instances without having to load it in memory (I think).
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I have experience with databases, but not specifically with storing/querying images with databases.
I have no idea where to start. Could you please recommend me books that concentrate ONLY on databases for media content, that is images. Storing videos would be cool too but not essential.
Thank you
Most of the time you'll just want to store a pointer to the media on a file system in the database. Then, you use the path in this field to actually retrieve the image and/or video.
Most databases have a size limit on the amount of data that can be stored in a column (I know SQL Server is 2GB, but I forget the rest off the top of my head).
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Are there any open source URL shortening software projects out there? Perhaps something that works in conjunction with Apache?
A lot of them popped up when I did a search on Github:
https://github.com/search?langOverride=&q=url+shortener&repo=&start_value=1&type=Repositories
Does this Count? http://code.google.com/p/urly/
or this http://yourls.org/
Firefly claims it can be up & running in 2 minutes: https://github.com/ariejan/firefly#readme
Here are some other suggestions: http://www.webresourcesdepot.com/7-open-source-and-free-url-shortener-scripts-to-create-your-own/
You could do it yourself easily enough with a database. Just store each long url in the database as a key and the short one as a value. You could easily create a short one with an auto-increment field in your table. Your urls would look like this:
http://mysite.com/12345
In your server side programming language of choice, just do a look up into the table, and then do a redirect.
I use http://yourls.org/ in my shortener, very powerful and plugin enabled. You can also easily create your own pages with stats and stuff.
Here's mine:
http://impbr.com