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What does “abstract over” mean?
...mbers under a single symbol ns:
def sumOf(ns: List[Int]) = ns.foldLeft(0)(_ + _)
And we don't particularly care that it's a List either. List is a specific type constructor (takes a type and returns a type), but we can abstract over the type constructor by specifying which essential characteristi...
Android adb “Unable to open sync connection!”
...his?
– James Moore
May 25 '11 at 16:06
1
Seriously why is android always so faulty!?
...
Reading and writing binary file
...hmarking.
– Paolo M
Feb 1 '16 at 16:06
3
AFAIK, binary files sometimes contain unreadable char, i...
Convert string to integer type in Go?
...64); err == nil {
fmt.Printf("i=%d, type: %T\n", i, i)
}
var i int
if _, err := fmt.Sscan(s, &i); err == nil {
fmt.Printf("i=%d, type: %T\n", i, i)
}
Output (if called with argument "123"):
i=123, type: int
i=123, type: int64
i=123, type: int
Parsing Custom strings
There is also a...
Close iOS Keyboard by touching anywhere using Swift
... edited Sep 22 '15 at 7:16
crazy_phage
49388 silver badges2222 bronze badges
answered Nov 3 '14 at 2:09
King-W...
Safely override C++ virtual functions
...e keyword:
class child : public parent {
public:
// force handle_event to override a existing function in parent
// error out if the function with the correct signature does not exist
void handle_event(int something) override;
};
...
Stateless vs Stateful - I could use some concrete information
... for the info! I'd vote up your answer but I don't have enough rep yet >_>
– Team-JoKi
Mar 31 '11 at 7:17
many w...
How to edit data in result grid in SQL Server Management Studio
...
answered Nov 11 '14 at 11:06
LearningLearning
16.9k3434 gold badges141141 silver badges296296 bronze badges
...
Custom UITableViewCell from nib in Swift
...)
}
// MARK: - UITableViewDataSource
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return items.count
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
...
What's the best way to unit test protected & private methods in Ruby?
...
You can bypass encapsulation with the send method:
myobject.send(:method_name, args)
This is a 'feature' of Ruby. :)
There was internal debate during Ruby 1.9 development which considered having send respect privacy and send! ignore it, but in the end nothing changed in Ruby 1.9. Ignore the c...