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How to position a div in the middle of the screen when the page is bigger than the screen
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just add position:fixed and it will keep it in view even if you scroll down. see it at http://jsfiddle.net/XEUbc/1/
#mydiv {
position:fixed;
top: 50%;
left: 50%;
width:30em;
height:18em;
margin-top: -9em; /*set to a negative...
How do I find a “gap” in running counter with SQL?
...n a counter column in an SQL table. For example, if there are values 1,2,4 and 5 I'd like to find out 3.
20 Answers
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How to validate a url in Python? (Malformed or not)
I have url from the user and I have to reply with the fetched HTML.
10 Answers
10
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Getting the location from an IP address [duplicate]
I want to retrieve information like the city, state, and country of a visitor from their IP address, so that I can customize my web page according to their location. Is there a good and reliable way to do this in PHP? I am using JavaScript for client-side scripting, PHP for server-side scripting, an...
What is the difference between Amazon S3 and Amazon EC2 instance?
I need to create a web application using php mysql and html. The no.of requests and data will be very high. I need Amazon server space.
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IPC performance: Named Pipe vs Socket
...y? I would prefer to use sockets because they can do two-way communication and are very flexible but will choose speed over flexibility if it is by considerable amount.
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SQLite with encryption/password protection
I'm just learning to use SQLite and I was curious if such is possible:
9 Answers
9
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How to write a switch statement in Ruby
...Ruby uses the case expression instead.
case x
when 1..5
"It's between 1 and 5"
when 6
"It's 6"
when "foo", "bar"
"It's either foo or bar"
when String
"You passed a string"
else
"You gave me #{x} -- I have no idea what to do with that."
end
Ruby compares the object in the when clause wit...
How do I enable EF migrations for multiple contexts to separate databases?
...ecause the Configuration.cs file already exists. If you rename that class and file, you should be able to run that 2nd Enable-Migrations, which will create another Configuration.cs.
You will then need to specify which configuration you want to use when updating the databases.
Update-Database -Con...
Unix's 'ls' sort by name
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I'm doing some android development on a Pidion device, and ls doesn't automatically sort, so this was very helpful! The only problem is that it looks like it sorts soft links but doesn't sort files, for some reason
– M...