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Is key-value observation (KVO) available in Swift?
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Since this wasn't clear to me from @fabb's comment: use the dynamic keyword for any properties inside of a class you'd like to be KVO compliant (not the dynamic keyword on the class itself). This worked for me!
– Tim Arnold
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How can I move a single directory from a git repository to a new repository whilst maintaining the h
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You can use git filter-branch to rewrite the history of a project. From the documentation:
To rewrite the repository to look as
if foodir/ had been its project root,
and discard all other history:
git filter-branch --subdirectory-filter foodir -- --all
Make several copies of your...
How to prevent ENTER keypress to submit a web form?
How do you prevent an ENTER key press from submitting a form in a web-based application?
29 Answers
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Input from the keyboard in command line application
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The correct way to do this is to use readLine, from the Swift Standard Library.
Example:
let response = readLine()
Will give you an Optional value containing the entered text.
share
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how to bypass Access-Control-Allow-Origin?
...m which they set prevent these ajax calls (but I need it to fetch the data from my server to display retrieved data from my server's database).
My ajax script is working , it can send the data over to my server's php script to allow it to process.
However it cannot get the processed data back as it ...
How can I get an http response body as a string in Java?
... library I can think of returns a stream. You could use IOUtils.toString() from Apache Commons IO to read an InputStream into a String in one method call. E.g.:
URL url = new URL("http://www.example.com/");
URLConnection con = url.openConnection();
InputStream in = con.getInputStream();
String enco...
How do I remove a key from a JavaScript object? [duplicate]
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The delete operator allows you to remove a property from an object.
The following examples all do the same thing.
// Example 1
var key = "Cow";
delete thisIsObject[key];
// Example 2
delete thisIsObject["Cow"];
// Example 3
delete thisIsObject.Cow;
If you're intereste...
What is the difference between @PathParam and @QueryParam
... resource class field, or resource class bean property.
URI : users/query?from=100
@Path("/users")
public class UserService {
@GET
@Path("/query")
public Response getUsers(
@QueryParam("from") int from){
}}
To achieve the same using Spring, you can use
@PathVariable(Spring...
Check if file exists but prevent 404 error in console from showing up [duplicate]
...heck to see if a file/page exists via JavaScript but prevent the 404 Error from showing up in the console?
1 Answer
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Get data from JSON file with PHP [duplicate]
I'm trying to get data from the following JSON file using PHP. I specifically want "temperatureMin" and "temperatureMax".
3...