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What does the @ symbol before a variable name mean in C#? [duplicate]
I understand that the @ symbol can be used before a string literal to change how the compiler parses the string. But what does it mean when a variable name is prefixed with the @ symbol?
...
Get list of JSON objects with Spring RestTemplate
...JsonIgnoreProperties(ignoreUnknown = true)
public class Rate {
private String name;
private String code;
private Double rate;
// add getters and setters
}
Then you can consume the service and get a strongly typed list via:
ResponseEntity<List<Rate>> rateResponse =
...
What is SuppressWarnings (“unchecked”) in Java?
... onto the class itself or onto a long method). An example:
public List<String> getALegacyListReversed() {
@SuppressWarnings("unchecked") List<String> list =
(List<String>)legacyLibrary.getStringList();
Collections.reverse(list);
return list;
}
...
foreach with index [duplicate]
... 0;
foreach (var e in ie) action(e, i++);
}
And use it like so:
var strings = new List<string>();
strings.Each((str, n) =>
{
// hooray
});
Or to allow for break-like behaviour:
public static bool Each<T>(this IEnumerable<T> ie, Func<T, int, bool> action)
{
...
Immutable vs Mutable types
...o
x = 5.0
x += 7.0
print x # 12.0
Doesn't that "mut" x?
Well you agree strings are immutable right? But you can do the same thing.
s = 'foo'
s += 'bar'
print s # foobar
The value of the variable changes, but it changes by changing what the variable refers to. A mutable type can change that wa...
How to execute a JavaScript function when I have its name as a string
I have the name of a function in JavaScript as a string. How do I convert that into a function pointer so I can call it later?
...
How to trim a file extension from a String in JavaScript?
...lutions are better/more robust.
x = x.replace(/\..+$/, '');
OR
x = x.substring(0, x.lastIndexOf('.'));
OR
x = x.replace(/(.*)\.(.*?)$/, "$1");
OR (with the assumption filename only has one dot)
parts = x.match(/[^\.]+/);
x = parts[0];
OR (also with only one dot)
parts = x.split(".");
x = ...
MVC4 DataType.Date EditorFor won't display date value in Chrome, fine in Internet Explorer
...splayFormat attribute:
[DataType(DataType.Date)]
[DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)]
public Nullable<System.DateTime> EstPurchaseDate { get; set; }
share
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...
What's the cleanest way of applying map() to a dictionary in Swift?
... = ["foo": 1, "bar": 2, "baz": 5]
let tupleArray = dictionary.map { (key: String, value: Int) in
return (key, value + 1)
}
//let tupleArray = dictionary.map { ($0, $1 + 1) } // also works
let newDictionary = Dictionary(uniqueKeysWithValues: tupleArray)
print(newDictionary) // prints: ["baz": ...
How to check if UILabel is truncated?
...
You can calculate the width of the string and see if the width is greater than label.bounds.size.width
NSString UIKit Additions has several methods for computing the size of the string with a specific font. However, if you have a minimumFontSize for your lab...