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Haskell error parse error on input `='
I'm new to Haskell and after starting ghci I tried:
4 Answers
4
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How to convert a ruby hash object to JSON?
...t; attr_accessor :fname, :lname >> end => nil >> p = Person.new => #<Person:0x101155f70> >> p.fname = "Bill" => "Bill" >> p.lname = "Shine" => "Shine" >> p.to_json => "\"#<Person:0x101155f70>\""
– kapso
J...
How to determine equality for two JavaScript objects?
...= this.rank && other.suit == this.suit;
};
}
var queenOfClubs = new Card(12, "C");
var kingOfSpades = new Card(13, "S");
queenOfClubs.equals(kingOfSpades); // => false
kingOfSpades.equals(new Card(13, "S")); // => true
...
What is the C# equivalent to Java's isInstance()?
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Does it work even for classes that use inheritance? (new Child() is Parent)
– Tomáš Zato - Reinstate Monica
Nov 3 '14 at 23:29
1
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Python argparse ignore unrecognised arguments
...
+1 - didn't knew there was some thing like parse_known_args
– avasal
Oct 10 '12 at 11:32
7
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Rebasing a Git merge commit
...te correct history that we want:
git checkout -b correct-history # create new branch to save master for future
git rebase --strategy=ours --preserve-merges origin/master
We use --preserve-merges to save our merge commit in history.
We use --strategy=ours to ignore all merge conflicts as we don't ...
Reflection - get attribute name and value on property
...ng, string> GetAuthors()
{
Dictionary<string, string> _dict = new Dictionary<string, string>();
PropertyInfo[] props = typeof(Book).GetProperties();
foreach (PropertyInfo prop in props)
{
object[] attrs = prop.GetCustomAttributes(true);
foreach (object...
Android - Pulling SQlite database android device
...";
String backupDBPath = "backupname.db";
File currentDB = new File(currentDBPath);
File backupDB = new File(sd, backupDBPath);
if (currentDB.exists()) {
FileChannel src = new FileInputStream(currentDB).getChannel();
FileChannel dst = new File...
Get JSF managed bean by name in any Servlet related class
...n't work when you're using @Named @ViewScoped because the bean can only be identified by JSF view state and that's only available when the FacesServlet has been invoked. So in a filter which runs before that, accessing an @Injected @ViewScoped will always throw ContextNotActiveException.
Only when ...
What does 'var that = this;' mean in JavaScript?
...;
Because this frequently changes when you change the scope by calling a new function, you can't access the original value by using it. Aliasing it to that allows you still to access the original value of this.
Personally, I dislike the use of that as the alias. It is rarely obvious what it is ...