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Swift class introspection & generics
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Well, for one, the Swift equivalent of [NSString class] is .self (see Metatype docs, though they're pretty thin).
In fact, NSString.class doesn't even work! You have to use NSString.self.
let s = NSString.self
var str = s()
str = "asdf"
Similarly, with a swift cl...
ASP.NET MVC Html.DropDownList SelectedValue
...ry this:
public class Person {
public int Id { get; set; }
public string Name { get; set; }
}
And then:
var list = new[] {
new Person { Id = 1, Name = "Name1" },
new Person { Id = 2, Name = "Name2" },
new Person { Id = 3, Name = "Name3" }
};
var selectList = new Select...
How to use php serialize() and unserialize()
...st a format to express such a thing, it serializes a data structure into a string representation that's unique to PHP and can be reversed into a PHP object using unserialize. There are many other formats though, like JSON or XML.
Take for example this common problem:
How do I pass a PHP array to...
SQLite - replace part of a string
Is it possible using SQL in an SQLite table to replace part of a string?
3 Answers
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Remove commas from the string using JavaScript
I want to remove commas from the string and calculate those amount using JavaScript.
2 Answers
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Is there a Java equivalent or methodology for the typedef keyword in C++?
...ss you would like to typedef, e.g.:
public class MyMap extends HashMap<String, String> {}
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How to access parameters in a RESTful POST method
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Your @POST method should be accepting a JSON object instead of a string. Jersey uses JAXB to support marshaling and unmarshaling JSON objects (see the jersey docs for details). Create a class like:
@XmlRootElement
public class MyJaxBean {
@XmlElement public String param1;
@XmlEl...
JavaScript math, round to two decimal places [duplicate]
...Number/toFixed
Edit - As mentioned by others this converts the result to a string. To avoid this:
var discount = +((price / listprice).toFixed(2));
Edit 2- As also mentioned in the comments this function fails in some precision, in the case of 1.005 for example it will return 1.00 instead of 1.01. ...
Setting Authorization Header of HttpClient
...he code you listed doesn't compile, did you mean to concatenate the last 2 strings like so: client.DefaultRequestHeaders.Add("Authorization", "Bearer " + "Your Oauth token");
– TroySteven
Mar 18 '19 at 21:50
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Javascript: Setting location.href versus location
When would you set location to a URL string versus setting location.href ?
7 Answers
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