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Make Div overlay ENTIRE page (not just viewport)?
...rkened even while scrolling. For this, you want to use position:fixed instead of position:absolute. Fixed will keep the element static on the screen as you scroll, giving the impression that the entire body is darkened.
Example: http://jsbin.com/okabo3/edit
div.fadeMe {
opacity: 0.5;
backg...
How to add to an existing hash in Ruby
In regards to adding an key => value pair to an existing populated hash in Ruby, I'm in the process of working through Apress' Beginning Ruby and have just finished the hashes chapter.
...
Understanding MongoDB BSON Document size limit
...post is that long with
that many comments, I for one am not
going to read it :)
For trackbacks, if you dedicated 1MB
to them, you could easily have more
than 10k (probably closer to 20k)
So except for truly bizarre
situations, it'll work great. And in
the exception case or spam...
Generating a UUID in Postgres for Insert statement?
...
uuid-ossp is a contrib module, so it isn't loaded into the server by default. You must load it into your database to use it.
For modern PostgreSQL versions (9.1 and newer) that's easy:
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
but for 9.0 and below you must inste...
Is the pImpl idiom really used in practice?
I am reading the book "Exceptional C++" by Herb Sutter, and in that book I have learned about the pImpl idiom. Basically, the idea is to create a structure for the private objects of a class and dynamically allocate them to decrease the compilation time (and also hide the private implementatio...
Measuring execution time of a function in C++
.... You have to use std::chrono::high_resolution_clock from <chrono> header.
Use it like so:
#include <iostream>
#include <chrono>
void function()
{
long long number = 0;
for( long long i = 0; i != 2000000; ++i )
{
number += 5;
}
}
int main()
{
auto t1...
Faye vs. Socket.IO (and Juggernaut)
...rver-to-client push service (i.e. stop arbitrary clients pushing to it) by adding authentication extensions.
There is also work underway to make it more flexible on the server side. I'm looking at adding clustering support, and making the core pub-sub engine pluggable so you could use Faye as a sta...
Getting exact error type in from DbValidationException
...
gdoron is supporting Monica
132k4848 gold badges268268 silver badges333333 bronze badges
answered Jul 6 '11 at 8:19
GONealeGONeale
...
Difference between namespace in C# and package in Java
...
Calebj
14599 bronze badges
answered Feb 12 '12 at 14:23
RuudVanNistelrooyRuudVanNistelrooy
88111 go...
What's the difference between JPA and Spring Data JPA?
...n when required (for example, you want to use EclipseLink or ObjectDB instead because Hibernate has a bug that halts your development process).
Quoting Spring Data JPA's documentation:
Implementing a data access layer of an application has been cumbersome for quite a while. Too much boilerplate cod...