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Why does int num = Integer.getInteger(“123”) throw NullPointerException?
...r.parseInt(String).
References
Java Language Guide/Autoboxing
Integer API references
static int parseInt(String)
static Integer getInteger(String)
On Integer.getInteger
Here's what the documentation have to say about what this method does:
public static Integer getInteger(String nm):...
Take a char input from the Scanner
...
There is no API method to get a character from the Scanner. You should get the String using scanner.next() and invoke String.charAt(0) method on the returned String.
Scanner reader = new Scanner(System.in);
char c = reader.next().charAt...
Extending Angular Directive
...
@Ciel The directive API info has apparently been moved to the $compile doc here
– Dan
Sep 4 '14 at 18:06
...
How many constructor arguments is too many?
...d an illegal or inappropriate argument." see docs.oracle.com/javase/7/docs/api/java/lang/…)
– Grmpfhmbl
May 4 '17 at 13:27
...
How do I find out which process is locking a file using .NET?
...ows simply did not track that information. To support the Restart Manager API, that information is now tracked.
I put together code that takes the path of a file and returns a List<Process> of all processes that are locking that file.
using System.Runtime.InteropServices;
using System.Diagn...
Why no ICloneable?
...
ICloneable is considered a bad API now, since it does not specify whether the result is a deep or a shallow copy. I think this is why they do not improve this interface.
You can probably do a typed cloning extension method, but I think it would require a ...
Making the iPhone vibrate
...
Important Note: Alert of Future Deprecation.
As of iOS 9.0, the API functions description for:
AudioServicesPlaySystemSound(inSystemSoundID: SystemSoundID)
AudioServicesPlayAlertSound(inSystemSoundID: SystemSoundID)
includes the following note:
This function will be deprecated in a f...
Encode URL in JavaScript?
... values in the query string (and nowhere else).
However, I find that many APIs want to replace " " with "+" so I've had to use the following:
const value = encodeURIComponent(value).replace('%20','+');
const url = 'http://example.com?lang=en&key=' + value
escape is implemented differently in...
How to organize a node app that uses sequelize?
...ns, as the returned value is cached after the first execution. nodejs.org/api/modules.html#modules_caching
– Casey Flynn
Mar 29 '13 at 7:17
2
...
Fragment or Support Fragment?
...r a while is that you do not have access to the ChildFragmentManager until API 17. The support library will give you a support version of the child fragment manager.
This becomes a big deal if you have fragments that contain other fragments. This is common in tablet applications with a good deal...