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I have recently been thinking about one of my websites. It's getting big and gaining a community and I have realized; how would I implement new features. Would I code instantly on the website or would I have to pull a backup and code on it then put it back up on the server. Because both methods seem to be inefficient.
Would there be a way that I can do such a thing, like a version system (similar to apps)?
Create a duplicate, test your code until you're satisfied. Check the edge cases. Try to break it. Then, when you're sure it's solid, roll it out to your users during very light usage because you might need to turn off the whole site during the upgrade.
Testing, testing, testing is they key.
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I was reading an article about facebook timeline https://www.facebook.com/note.php?note_id=10150468255628920
I always thought this kind of core produces would prefer Cassandra. However it is using MySQL/InnoDB.
Could anyone briefly explain why?
Available internal / external expertise with MySQL (it's easier to google solutions for existing problems)
Cassandra is much harder to reason about due to eventual consistency and limited transaction support
Moving to a new datastore is a lot of pain and it doesn't seem to be justified
You can check out the slides below for their usecases:
MySQL at Facebook
Scale at Facebook
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The execution time for the scripts is slower. Although this much in a browser is great.
And, The published web app's load time is highly intolerable, that contained junk ( Probably because the UI is done with UIBuilder and the spaces were taken in unicode characters or whatever ).
Two questions here.
For seamless responsiveness, Is that the script folks wished the complete javascript be loaded and run in the browser and there is nothing we could do about it ?
Any optimizing techniques we should look for.
I have found that hand rolling the html and delivering with HtmlService is significantly quicker than UIService. This obviously depends on your circumstances depending on how confident you are scripting your own validators and onEdit functions. But as a possible optimisation this is where I'd start.
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I started creating online open source game as a project in school. It will be server with n connected clients. But now I have a problem with "security". What to do if one client would used modified source code for changing some restrictions? How can I prevent it? My first idea was make client only for connection to server and server would send all necessary files but I don't like this idea very much. Can you advise me something better? Thank you.
You need to keep your validations in the server. The server should check each client move, and if it's not allowed according to the server's rules - reject it.
You should still keep validations in the client, too, so that users who don't mess with the client code can get speedier responses.
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What is the name where the application shows messages of any updates available whenever the update is available?
Is it called web service?
For example, I have installed an antivirus (avast); sometimes a small popup message shows that an update is available.
I have very vague idea about it, it must be contacting the server periodically for checking the new updates are available or not.
I do not know what the application name is so I was not able to search.
It's called an auto-update software feature. It's part of the software itself usually - If you'd like to look at some API's regarding implementing them into your application, find out more here. WinSparkle is also something you could look into if your doing Windows development.
Those are vendor dependant solutions. It is usually not a separate software checking for updates. All they do is query a web service that replies with the 'current' version. At least as long as talking about MS-Windows. More elegant and efficient solutions exist in the Linux environment.
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You can see lots of briliant ideas in Open source projects. How authors found these ideas whey they don't exist yet?
Should I learn software dynamics, history and trends(Nothing new under the sun?) for that?
I don't want to start another github project called "API to xyz". What should I do??
Scratch an itch. Find something that you feel is a problem or annoying and write some code to solve that problem. Chances are you aren't the only person who is affected by that particular problem.
I believe a lot of software projects, open source or not, start as someone identifying a demand and working to supply it.
Think you're not satisfied with wherever photo management apps you found. Starting (or forking an existing one) with your needs in mind is an option.
What kind of software you would like to use but can find one that suits you? If yours needs are more or less supplied by already existing applications, why not working on improving one you like most?