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What is the best method of handling currency/money?
...r model (and database), for example :price
Write this in your product.rb file:
class Product > ActiveRecord::Base
composed_of :price,
:class_name => 'Money',
:mapping => %w(price cents),
:converter => Proc.new { |value| Money.new(value) }
...
How to force a view refresh without having it trigger automatically from an observable?
...vier/9859uq8t/
First, save the binding handler into its own (or a common) file and include after Knockout.
If you use this switch your bindings to this:
<div data-bind="bindHTML: htmlValue"></div>
OR
<!-- ko bindHTML: htmlValue --><!-- /ko -->
...
What is N-Tier architecture?
...rom simple Desktop application where the data lives on the same machine as files or Web Application where you can hit the database directly.
For n-tier programming, you need to package up the data in some sort of transportable form called "dataset" and fly them over the wire. .NET's DataSet class o...
How do I parallelize a simple Python loop?
...rocesses and use the exact same interface.
Multiprocessing
Put this in a file - futuretest.py:
import concurrent.futures
import time, random # add some random sleep time
offset = 2 # you don't supply these so
def calc_stuff(parameter=None): # these are exam...
How do I convert from stringstream to string in C++?
...;
}
For all the methods above, you must include the following two header files.
#include <string>
#include <sstream>
Note that, the argument NumericValue in the examples above can also be passed as std::string or std::wstring to be used with the std::ostringstream and std::wostrings...
how to make svn diff show only non-whitespace line changes between two revisions
...
You can use
svn diff -r 100:200 -x -b > file.diff
If you want to ignore all whitespaces:
svn diff -x -w | less
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PHP + MySQL transactions examples
I really haven't found normal example of PHP file where MySQL transactions are being used. Can you show me simple example of that?
...
How is location accuracy measured in Android?
... device and what value it chooses to return.
The GpsLocationProvider.java file has a reportLocation method which gets called by the native code and gets passed the accuracy as a value. Thus, no calculation seems to be happening in the framework at least.
The qcom (which I believe is the Qualcomm) ...
Why is there no String.Empty in Java?
...d assume that if there are 2 string literals defined in 2 different source files with the same string value, when the compiler hits the 2nd one it needs to do some kind of check to figure out "hey, I already know about this string from back over here". I'm admittedly no expert in the java compiler,...
How does inline Javascript (in HTML) work?
...nability perspective. By even beginning to directly code JS inside an HTML file, for instance, one is tempting the slippery slope of spaghettification.
– Steven Lu
Feb 15 '16 at 8:29
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