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Rails Object to hash
...tive => true
}
To go a bit further, you could override that method in order to customize the way your attributes appear, by doing something like this :
class Post < ActiveRecord::Base
def as_json(*args)
{
:name => "My name is '#{self.name}'",
:post_number => "Post ##...
How to disable Django's CSRF validation?
... A reminder: if you have other decorators in the same view the order is relevant: so place @csrf_exempt first.
– Patrick Bassut
Dec 13 '13 at 18:53
3
...
全食超市（Whole Foods Market）——精品超市的运营之道 - 资讯 - 清泛网 -...
...质量监督委员会评估监督并建立食品安全档案，一旦发现问题立即启动产品召回机制；3）所有产品均建立全食超市自有品质评价体系，依据产品生产过程按照1分—5+分详细分类，给予消费者充分自主选择权。
营销：关注产品背...
What's the difference between a web site and a web application? [closed]
...ites are primarily informational. In this sense, http://cnn.com and http://php.net are websites, not web applications.
Web applications primarily allow the user to perform actions. Google Analytics, gmail, and jslint are web applications.
They are not entirely exclusive. A university website lik...
Create directories using make file
... timestamp of the directory. This is done by declaring the directory as an order-only prerequsite:
# The pipe symbol tells make that the following prerequisites are order-only
# |
# v
outDir/someTarget: Makefile | outDir
touch outDir/someTarge...
What does multicore assembly language look like?
...t;mutex> and <atomic> headers, and in particular with std::memory_order. I'm not sure if it covers all possible memory semantics achievable, but it just might.
The more subtle semantics are particularly relevant in the context of lock free data structures, which can offer performance benef...
Using semicolon (;) vs plus (+) with exec in find
...ind . -name 'test*' -exec echo {} \;
./test.c
./test.cpp
./test.new
./test.php
./test.py
./test.sh
With a plus, the command echo is called once only. Every file found is passed in as an argument.
$ find . -name 'test*' -exec echo {} \+
./test.c ./test.cpp ./test.new ./test.php ./test.py ./test.s...
What is the id( ) function used for?
...every time you find it.
The numbers from -5 to 256 have id's in increasing order and differ by 16.
The number returned by id() function is a unique id given to each item stored in memory and it is analogy wise the same as the memory location in C.
...
Convert decimal to binary in python [duplicate]
...ved by switching to // (truncating division); the former, by switching the order of the two strings being summed in the return. Not that recursion makes any sense here anyway (bin(n)[2:] -- or a while loop if you're stuck on some old version of Python -- will be much better!).
–...
Shell script while read line loop stops after the first line
...
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