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Swift: Convert enum value to String?
...added, but right now (Swift 2.1) you only need this code:
enum Audience : String {
case public
case friends
case private
}
let audience = Audience.public.rawValue // "public"
When strings are used for raw values, the implicit value for each case
is the text of that case’s name...
Using String Format to show decimal up to 2 places or simple integer
...my = DoFormat(123.0);
With DoFormat being something like:
public static string DoFormat( double myNumber )
{
var s = string.Format("{0:0.00}", myNumber);
if ( s.EndsWith("00") )
{
return ((int)myNumber).ToString();
}
else
{
return s;
}
}
Not elegant ...
What is an optional value in Swift?
...or no value. Optionals are written by appending a ? to any type:
var name: String? = "Bertie"
Optionals (along with Generics) are one of the most difficult Swift concepts to understand. Because of how they are written and used, it's easy to get a wrong idea of what they are. Compare the optional ab...
How to set an “Accept:” header on Spring RestTemplate request?
...ept(Collections.singletonList(MediaType.APPLICATION_JSON));
HttpEntity<String> entity = new HttpEntity<>("body", headers);
restTemplate.exchange(url, HttpMethod.POST, entity, String.class);
I prefer this solution because it's strongly typed, ie. exchange expects an HttpEntity.
Howev...
Get the length of a String
How do you get the length of a String ? For example, I have a variable defined like:
41 Answers
...
Find and replace strings in vim on multiple lines
I can do :%s/<search_string>/<replace_string>/g for replacing a string across a file, or :s/<search_string>/<replace_string>/ to replace in current line.
...
Delete first character of a string in Javascript
I want to delete the first character of a string, if the first character is a 0. The 0 can be there more than once.
14 Ans...
How to fluently build JSON in Java?
...sing the org.json library and found it to be nice and friendly.
Example:
String jsonString = new JSONObject()
.put("JSON1", "Hello World!")
.put("JSON2", "Hello my World!")
.put("JSON3", new JSONObject().put("key1", "value1"))
...
How do I use LINQ Contains(string[]) instead of Contains(string)
...
spoulson has it nearly right, but you need to create a List<string> from string[] first. Actually a List<int> would be better if uid is also int. List<T> supports Contains(). Doing uid.ToString().Contains(string[]) would imply that the uid as a string contains all o...
Check if multiple strings exist in another string
How can I check if any of the strings in an array exists in another string?
15 Answers
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