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How to copy a collection from one database to another in MongoDB
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Note that if you copy in the JS shell the BSON documents are decoded to JSON during the process so some documents may incur type changes. mongodump/mongorestore are generally the better approach.
– Stennie
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git diff between two different files
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Specify the paths explicitly:
git diff HEAD:full/path/to/foo full/path/to/bar
Check out the --find-renames option in the git-diff docs.
Credit: twaggs.
s...
Throttling method calls to M requests in N seconds
...size of M. Each time the method is called, you check the oldest entry, and if it's less than N seconds in the past, you execute and add another entry, otherwise you sleep for the time difference.
share
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PHP foreach loop key value
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What, if you echo $key? Nah. Not if you run it on the array that Philadelphia is a key of. Can you show some code?
– Pekka
Dec 2 '09 at 18:17
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What is data oriented design?
...you might do operations that affects only part of a balls properties. E.g. if you combine the colors of all the balls in various ways, then you want your cache to only contain color information. However when all ball properties are stored in one unit you will pull in all the other properties of a ba...
Customize UITableView header section
...e:CGRectMake(10, 5, tableView.frame.size.width, 18)];
[label setFont:[UIFont boldSystemFontOfSize:12]];
NSString *string =[list objectAtIndex:section];
/* Section header is in 0th index... */
[label setText:string];
[view addSubview:label];
[view setBackgroundColor:[UIColor ...
jQuery validation: change default error message
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I used this as a quick fix for a multilanguage form: if($('body').attr('lang')=="es"){ jQuery.extend... };
– Heraldmonkey
Jun 18 '13 at 14:14
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Rails: How to get the model class name based on the controller class name?
... ApplicationController
def index
@model_name = controller_name.classify
end
end
This is often needed when abstracting controller actions:
class HouseBuyersController < ApplicationController
def index
# Equivalent of @house_buyers = HouseBuyer.find(:all)
objects = controlle...
How do I get the full url of the page I am on in C#
... it just a matter of concatenating a bunch of Request variables together? If so which ones? Or is there a more simpiler way?
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How do I paste multi-line bash codes into terminal and run it all at once?
... and I think this is the easiest approach, and more flexible/forgiving...
If you'd like to paste multiple lines from a website/text editor/etc., into bash, regardless of whether it's commands per line or a function or entire script... simply start with a ( and end with a ) and Enter, like in the fo...