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Why are C# 3.0 object initializer constructor parentheses optional?
...; // double[]
var c = new[] { "hello", null, "world" }; // string[]
var d = new[] { 1, "one", 2, "two" }; // Error
Reference: http://msdn.microsoft.com/en-us/library/ms364047%28VS.80%29.aspx
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Find MongoDB records where array field is not empty
...ll of my records have a field called "pictures". This field is an array of strings.
11 Answers
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Why does one use dependency injection?
...meStuff() {
// Do something with B here
}
}
public static void Main(string[] args) {
A a = new A();
a.DoSomeStuff();
}
you write code like this:
public class A {
private B b;
public A(B b) { // A now takes its dependencies as arguments
this.b = b; // look ma, no "new"!
}
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What is the benefit of zerofill in MySQL?
...ization, when what you're actually storing is effectively a (fixed-length) string of digits.
– mindplay.dk
Jan 28 '14 at 17:09
3
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Error installing mysql2: Failed to build gem native extension
...erate views and controllers)
rails generate scaffold city ID:integer Name:string CountryCode:string District:string Population:integer
Edit the file c:\Sites\world\app\models\city.rb to look like this
class City < ActiveRecord::Base
set_table_name "city"
end
Edit the file c:\Sites\world\c...
PostgreSQL: How to pass parameters from command line?
...elect * from table_1 where id = :v1;
Please pay attention on how we pass string/date value using two quotes " '...' "
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UILabel is not auto-shrinking text to fit label size
...dicating whether the font size should be reduced in order to fit the title string into the label’s bounding rectangle (this property is effective only when the numberOfLines property is set to 1).
When setting this property, minimumScaleFactor MUST be set too (a good default is 0.5).
Swift
var adj...
How to pass parameters on onChange of html select
...select id="choose" name="choose">')); should do the trick (you pushed a string instead of a full-blown node before). >6 years passed...
– Johannes
Sep 26 '17 at 13:04
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How does Google Instant work?
... and obviously related to this question. You can read how they tackled the extra load (5-7X according to the article) on the server-side, for example. The answer below examines what happens on the client-side:
Examining with Firebug, Google is doing an Ajax GET request on every keypress:
I gue...
Virtual/pure virtual explained
...le:
class Shape
{
public:
Shape();
virtual ~Shape();
std::string getName() // not overridable
{
return m_name;
}
void setName( const std::string& name ) // not overridable
{
m_name = name;
}
protected:
virtual void initShape() // overridab...