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iPhone App Minus App Store?
...per Program
For a standard iPhone you'll need to pay the US$99/yr to be a member of the developer program. You can then use the adhoc system to install your application onto up to 100 devices. The developer program has the details but it involves adding UUIDs for each of the devices to your applica...
LISTAGG in Oracle to return distinct values
...t distinct the_column
from the_table
) t
If you need more columns, something like this might be what you are looking for:
select col1, listagg(col2, ',') within group (order by col2)
from (
select col1,
col2,
row_number() over (partition by col1, col2 order by col1) as rn...
What does “./bin/www” do in Express 4.x?
...('http');
var path = require('path');
var app = express();
// all environments
app.set('port', process.env.PORT || 3000);
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');
app.use(express.favicon());
app.use(express.logger('dev'));
app.use(express.compress());
app.us...
Scala: What is the difference between Traversable and Iterable traits in Scala collections?
...t understand the difference between Iterable and Traversable traits. Can someone explain ?
4 Answers
...
What is the best algorithm for overriding GetHashCode?
In .NET, the GetHashCode method is used in a lot of places throughout the .NET base class libraries. Implementing it properly is especially important to find items quickly in a collection or when determining equality.
...
CSS - How to Style a Selected Radio Buttons Label?
...
<div class="radio-toolbar">
<input type="radio" id="radio1" name="radios" value="all" checked>
<label for="radio1">All</label>
<input type="radio" id="radio2" name="radios" value="false">
<label for="radio2">Open</label>
<input type="r...
What is the difference between a pseudo-class and a pseudo-element in CSS?
...
The CSS 3 selector recommendation is pretty clear about both, but I'll try to show the differences anyway.
Pseudo-classes
Official description
The pseudo-class concept is introduced to permit selection based on information that lies outside of...
GitHub: Reopening a merged pull request
...
The answer seems to be: You can't.
Once a pull request is merged and closed, it is locked forever and cannot be reopened. If your pull request is merged, closed, then your changes are pulled out (via force pushing backwards to before the merge), you will need to add commits to the b...
adding noise to a signal in python
I want to add some random noise to some 100 bin signal that I am simulating in Python - to make it more realistic.
7 Answer...
Instance attribute attribute_name defined outside __init__
...
The idea behind this message is for the sake of readability. We expect to find all the attributes an instance may have by reading its __init__ method.
You may still want to split initialization into other methods though. In such case, you can si...