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What is scope/named_scope in rails?
...Zombie.rotting.fresh.recent.limit(3)
It translates to the below in SQL,
select "zombies.*" from "zombies" where "zombies"."rotting" = 't' and (age<20) order by create_at desc limit 3
Example above is based on rails 4 syntax
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Access parent URL from iframe
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how is this be the selected answer? there are much better descriptions of possible solutions below.
– Anoyz
Sep 15 '14 at 13:40
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Purpose of ESI & EDI registers?
.../RDI:
The SSE2 MASKMOVDQU (and the upcoming AVX VMASKMOVDQU) instruction selectively write bytes from an XMM register to memory pointed to by EDI/RDI.
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How do I enable MSDTC on SQL Server?
... called 'Distributed Transaction Coordinator' and RIGHT CLICK (on it and
select) > Start.
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Fluid or fixed grid system, in responsive design, based on Twitter Bootstrap
...es as the browser will be resized. So based on your layout purpose you can select how your layout behaves.
Here is a good article about fluid vs. flex.
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B-Tree vs Hash Table
...faster than with a tree algorithm (O(1) instead of log(n)), but you cannot select ranges (everything in between x and y).
Tree algorithms support this in Log(n) whereas hash indexes can result in a full table scan O(n).
Also the constant overhead of hash indexes is usually bigger (which is no factor...
Passing data between controllers in Angular JS?
...controllers.
In your ProductController, define some action that adds the selected object to the array:
app.controller('ProductController', function($scope, productService) {
$scope.callToAddToProductList = function(currObj){
productService.addProduct(currObj);
};
});
In your Car...
Efficient way to apply multiple filters to pandas DataFrame or Series
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e can also select rows based on values of a column that are not in a list or any iterable. We will create boolean variable just like before, but now we will negate the boolean variable by placing ~ in the front.
For example
list = [1...
Recursive sub folder search and return files in a list python
...fter the latest downvote, it occurred to me that glob is a better tool for selecting by extension.
import os
from glob import glob
result = [y for x in os.walk(PATH) for y in glob(os.path.join(x[0], '*.txt'))]
Also a generator version
from itertools import chain
result = (chain.from_iterable(glo...
Django Rest Framework: Dynamically return subset of fields
...y parameter to a Django Rest Framework based API which enables the user to select only a subset of fields per resource.
8 A...