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Java Constructor Inheritance
...oSomeStuff(){
// We know this.value is an Integer, so it's safe to cast.
doSomethingWithAnInteger((Integer)this.value);
}
}
// Client code:
Sub s = new Sub(Long.valueOf(666L)): // Devilish invocation of Super constructor!
s.doSomeStuff(); // throws ClassCastException
Or even s...
Best way to read a large file into a byte array in C#?
...
I would make sure to wrap the long to int cast with the checked construct like this: checked((int)fs.Length)
– tzup
Jun 20 '14 at 9:09
...
getApplication() vs. getApplicationContext()
...istered in the Manifest, you should never call getApplicationContext() and cast it to your application, because it may not be the application instance (which you obviously experienced with the test framework).
Why does getApplicationContext() exist in the first place ?
getApplication() is only ava...
How do I check if a string contains another string in Swift?
... other two involve explicitly using an NSString and the final one involves casting the String to an NSString
By bridging, you'd get:
var string = "hello Swift"
if string.bridgeToObjectiveC().containsString("Swift") {
println("YES")
}
By explicitly typing the string as an NSString, you'd get:...
C# Lambda expressions: Why should I use them?
...
In the first example, why not cast sender and get the value?
– Andrew
Sep 16 '17 at 21:27
...
Best way to trim strings after data entry. Should I create a custom model binder?
...r.PropertyType == typeof(string) && !propertyDescriptor.Attributes.Cast<object>().Any(a => a.GetType() == typeof(NoTrimAttribute)))
and you can mark properties to be excluded from trimming with [NoTrim] attribute.
...
What is the difference between Collections.emptyList() and Collections.EMPTY_LIST
...t is probably always preferable. This way, you don't need to unnecessarily cast around within your code.
Collections.emptyList() intrinsically does the cast for you.
@SuppressWarnings("unchecked")
public static final <T> List<T> emptyList() {
return (List<T>) EMPTY_LIST;
}
...
How to remove the querystring and get only the url?
... strrpos() in 'www.mydomain.com/myurl.html' will return 0 (FALSE casted to boolean to be more correct) so your substr will be empty. Use one: substr() OR parse_url() because using both makes no sense ;)
– veritas
Aug 7 '11 at 0:21
...
Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...the other posts on tracking down the reasons for getting a SIGSEGV in an Android app. I plan to scour my app for possible NullPointers related to Canvas use, but my SIGSEGV barfs up a different memory address each time. Plus I've seen code=1 and code=2 . If the memory address was 0x00000000 ...
How to supply value to an annotation from a Constant java
...nly the following:
Literals of primitive type and literals of type String
Casts to primitive types and casts to type String
[...] operators [...]
Parenthesized expressions whose contained expression is a constant expression.
Simple names that refer to constant variables.
Qualified names of the form...