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SQL Server - where is “sys.functions”?
....ROUTINES WHERE ROUTINE_TYPE = 'FUNCTION'
According to the Microsoft web site "Information schema views provide an internal, system table-independent view of the SQL Server metadata. Information schema views enable applications to work correctly although significant changes have been made to the u...
MySQL indexes - what are the best practices?
....
If i have a VARCHAR 2500 column which is searchable from parts of my site, should i index it
No, unless it's UNIQUE (which means it's already indexed) or you only search for exact matches on that field (not using LIKE or mySQL's fulltext search).
Generally I put an index on any fields th...
CSS “and” and “or”
... Ok, thanks for light. I hate styling forms, but it's my task, and site isn't mine. I'll apply classes to inputs.
– Misiur
May 9 '10 at 9:02
5
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How to overlay images
...
You might want to check out this tutorial:
http://www.webdesignerwall.com/tutorials/css-decorative-gallery/
In it the writer uses an empty span element to add an overlaying image. You can use jQuery to inject said span elements, if you'd like to keep your code as clean as p...
Changing three.js background to transparent or other color
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Avoid synchronized(this) in Java?
...er implementation.
I'm your customer and deploy my "good" servlet on your site. It happens that my code contains a call to getAttribute.
A hacker, disguised as another customer, deploys his malicious servlet on your site. It contains the following code in the init method:
synchronized (this.getS...
Using a constant NSString as the key for NSUserDefaults
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Support for “border-radius” in IE
...ure you include that in all your styles calling a border radius. Then your site will be ready for IE9.
-moz-border-radius is for Firefox, -webkit-border-radius is for Safari and Chrome.
Furthermore: don't forget to declare your IE coding is ie9:
<meta http-equiv="X-UA-Compatible" content="IE=9...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...:
$ swapon -s
$ free -k
$ swapoff -a
$ swapon -a
References:
http://www.thegeekstuff.com/2010/08/how-to-add-swap-space/
http://cloudstory.in/2012/02/getting-the-best-out-of-amazon-ec2-micro-instances/
http://cloudstory.in/2012/02/adding-swap-space-to-amazon-ec2-linux-micro-instance-to-increas...
How to scale Docker containers in production
...ng container clusters.
Update 20
Docker recently bought Tutum:
https://www.docker.com/tutum
Update 21
Package manager for applications deployed on Kubernetes.
http://helm.sh/
Update 22
Vamp is an open source and self-hosted platform for managing (micro)service oriented architectures that re...