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HTTP POST Returns Error: 417 “Expectation Failed.”
...inue = false;
Some servers choke on that header and send back the 417 error you're seeing.
Give that a shot.
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Why are exclamation marks used in Ruby methods?
...tate that someone else might have a reference to. Here's a simple example for strings:
foo = "A STRING" # a string called foo
foo.downcase! # modifies foo itself
puts foo # prints modified foo
This will output:
a string
In the standard libraries, there are a lot of places you'll ...
Implementation difference between Aggregation and Composition in Java
... specs) {
engine = new Engine(specs);
}
void move() {
engine.work();
}
}
Aggregation
final class Car {
private Engine engine;
void setEngine(Engine engine) {
this.engine = engine;
}
void move() {
if (engine != null)
engine.work();
}
}
In the case of com...
Avoid line break between html elements
... ways to prevent line breaks in content. Using   is one way, and works fine between words, but using it between an empty element and some text does not have a well-defined effect. The same would apply to the more logical and more accessible approach where you use an image for an icon.
The ...
How to make a edittext box in a dialog
I am trying to make a edittext box in a dialog box for entering a password.
and when I am doing I am not able to do. I am a beginner in it.
Please help me in this.
...
How to convert an array to object in PHP?
...ough your array while re-assigning the values:
$object = new stdClass();
foreach ($array as $key => $value)
{
$object->$key = $value;
}
As Edson Medina pointed out, a really clean solution is to use the built-in json_ functions:
$object = json_decode(json_encode($array), FALSE);
This...
What does the (unary) * operator do in this Ruby code?
...
The * is the splat operator.
It expands an Array into a list of arguments, in this case a list of arguments to the Hash.[] method. (To be more precise, it expands any object that responds to to_ary/to_a, or to_a in Ruby 1.9.)
To illustrate, the fol...
What's the best way to store co-ordinates (longitude/latitude, from Google Maps) in SQL Server?
I'm designing a table in SQL Server 2008 that will store a list of users and a Google Maps co-ordinate (longitude & latitude).
...
Is unsigned integer subtraction defined behavior?
...type when the result would be negative. So that code like this would be incorrect even if it happens to work on most architectures.
...
Inject service in app.config
...want to inject a service into app.config, so that data can be retrieved before the controller is called. I tried it like this:
...