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MongoDB/NoSQL: Keeping Document Change History
...versioning, a log table or a history table (I'm sure there are other names for it). There are a number of ways to approach it in an RDBMS--you can write all changes from all source tables to a single table (more of a log) or have a separate history table for each source table. You also have the op...
How can I tell jackson to ignore a property for which I don't have control over the source code?
...an exception when you call "getBoundary" (the why of this is another book, for now let's say this is the way it works).
8 ...
Real mouse position in canvas [duplicate]
...s in the position 0,0 (upper left corner) if I change the canvas position, for some reason it doesn't draw like it should. Here is my code.
...
JQuery: 'Uncaught TypeError: Illegal invocation' at ajax request - several elements
...ctually what I wanted to do (in fact in my php code I need that value as a foreign key for querying my cities table and filter correct entries).
So, instead of:
var data = {
'mode': 'filter_city',
'id_A': e[e.selectedIndex]
};
it should be:
var data = {
'mode': 'filter_c...
How to set background color of an Activity to white programmatically?
...
agreed. this changes the colour of the window before the root layout is applied, the accepted answer changes the colour of the root element in the activity's layout
– LairdPleng
Oct 2 '13 at 1:46
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Best practices when running Node.js with port 80 (Ubuntu / Linode) [closed]
...use the commands there are run as root when the system boots.
Logs
Use the forever module to launch your Node.js with. It will make sure that it restarts if it ever crashes and it will redirect console logs to a file.
Launch on Boot
Add your Node.js start script to the file you edited for port redi...
What Android tools and methods work best to find memory/resource leaks? [closed]
...e layouts are “inflated” from the XML consuming the VM memory avaiable for bitmaps.
Bitmaps on the previous activity layout are not properly deallocated by the garbage collector because they have crossed references to their activity. After many experiments I found a quite good solution for this...
What is the difference between “INNER JOIN” and “OUTER JOIN”?
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The Venn diagrams don't really do it for me.
They don't show any distinction between a cross join and an inner join, for example, or more generally show any distinction between different types of join predicate or provide a framework for reasoning about how they...
CSS 3 slide-in from left transition
...can use CSS3 transitions or maybe CSS3 animations to slide in an element.
For browser support: http://caniuse.com/
I made two quick examples just to show you how I mean.
CSS transition (on hover)
Demo One
Relevant Code
.wrapper:hover #slide {
transition: 1s;
left: 0;
}
In this case, ...
LINQ Join with Multiple Conditions in On Clause
...ity of some “weird” object. And to prove my point, your code is wrong. For it work, you would have to have true on the left side and t2.Complete on the right.
– svick
Oct 5 '11 at 17:01
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