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Facebook database design?
...lumns:
UserID PK FK
FriendID PK FK
(This table features a composite primary key made up of the two foreign
keys, both pointing back to the user table. One ID will point to the
logged in user, the other ID will point to the individual friend
of that user)
Example Usage:
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Error “initializer element is not constant” when trying to initialize variable with const
...dialect setting I used. I don's see anything like that listed on GCC's web site as a C language extension. In other words, I have no idea how and why it compiles in ideone. Even if it compiles as a language extension, it should still produce a diagnostic message in C.
– AnT
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SVN repository backup strategies
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There's a hotbackup.py script available on the Subversion web site that's quite handy for automating backups.
http://svn.apache.org/repos/asf/subversion/trunk/tools/backup/hot-backup.py.in
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Why are arrays covariant but generics are invariant?
...unforgivable imo... among the very worst mistakes ever made in Java is use-site variance aka wildcards.
– Scott
Sep 6 '15 at 21:09
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jQuery Tips and Tricks
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Every day I wade through pointless XML/XLS/XLST, sites written with far too many layers of abstraction, complex fail-over systems on sites that will never outgrow the humblest of servers... and still people complain about the difference between $(<string>) & $(<...
Twitter API returns error 215, Bad Authentication Data
...using oAuth.
Read more about this on the Twitter Developers documentation site
:)
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Prevent RequireJS from Caching Required Scripts
...+1 to !!!NOT USE urlArgs IN PRODUCTION!!! . Imagine the case that your web site has 1000 JS files (yes, possible!) and their load is controlled by requiredJS. Now you release v2 or your site where only few JS files are changed! but by adding urlArgs=v2, you force to reload all 1000 JS files! you wil...
Can JavaScript connect with MySQL?
...Wouldn't it be somehow a security risk for all the browsers accessing your site to have locally the javascript file that directly accessing your MySQL server?
– Vassilis
Jul 15 '18 at 18:43
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Can I store images in MySQL [duplicate]
I'm trying to develop a website where users upload their images as part of registration. I want it that for each image, there should be a thumb created with PHP (which is not that difficult). I want to save the thumbs (since they are very small) in the database and I use MySQL. (I don't want to save...
Why do you not use C for your web apps?
... web server written in C and you have to make use of it by writing your websites/webapps in C. One clear benefit is speed as the G-WAN site suggests.
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