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How to get values from IGrouping
I have a question about IGrouping and the Select() method.
4 Answers
4
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What's the difference between the atomic and nonatomic attributes?
...e dependent properties are in play.
Consider:
@property(atomic, copy) NSString *firstName;
@property(atomic, copy) NSString *lastName;
@property(readonly, atomic, copy) NSString *fullName;
In this case, thread A could be renaming the object by calling setFirstName: and then calling setLastNam...
Java switch statement: Constant expression required, but it IS constant
...nt variable" as follows:
We call a variable, of primitive type or type String, that is final and initialized with a compile-time constant expression (§15.28) a constant variable. Whether a variable is a constant variable or not may have implications with respect to class initialization (§12.4....
How to permanently remove few commits from remote branch
...You git reset --hard your local branch to remove changes from working tree and index, and you git push --force your revised local branch to the remote. (other solution here, involving deleting the remote branch, and re-pushing it)
This SO answer illustrates the danger of such a command, especially ...
Only one expression can be specified in the select list when the subquery is not introduced with EXI
My query is as follows, and contains a subquery within it:
4 Answers
4
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Add Foreign Key to existing table
...
Reasons help me understand and remember. This is because you can't add a foreign key to an non-unsigned field, correct?
– PixMach
Sep 28 '15 at 21:25
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How to add a button dynamically in Android?
How to add a button dynamically in Android?
17 Answers
17
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NullPointerException in Java with no StackTrace
...expect. The logger API actually takes Object as the first argument, not a string - and then it calls toString() on the argument. So instead of getting the nice pretty stack trace, it just prints out the toString - which in the case of NPE is pretty useless.
Perhaps this is what you're experiencin...
Create a new object from type parameter in generic class
...ve arguments, you can use.
export class Foo2 {
constructor(public arg1: string, public arg2: number) {
}
bar() {
console.log(this.arg1);
console.log(this.arg2);
}
}
getInstance(Foo, "Hello World", 2).bar();
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Is there a concurrent List in Java's JDK?
...s, you can loop over the contents using the enhanced for syntax:
Queue<String> globalQueue = new ConcurrentLinkedQueue<String>();
//Multiple threads can safely call globalQueue.add()...
for (String href : globalQueue) {
//do something with href
}
...