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Usage of protocols as array types and function parameters in swift
...}
let xy = XY(x: 1, y: 2)
let xz = XZ(x: 3, z: 4)
//let xs = [xy, xz] // error
let xs = [AnyX(xy), AnyX(xz)]
xs.forEach { print($0.x) } // 1 3
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How to close a Java Swing application from the code
... threads, your application will not terminate. This should be considered a error (and solving it with System.exit is a very bad idea).
The most common culprits are java.util.Timer and a custom Thread you've created. Both should be set to daemon or must be explicitly killed.
If you want to check fo...
Why does DEBUG=False setting make my django Static Files Access fail?
...ied this approach of viewing the 404.html and 500.html via some other non-error mechanism similar to what u suggest. But i wanted to know whether it was totally impossible to have my pages render correctly as they would in production, while still merely running on my testing server - the delegation...
Implementing two interfaces in a class with same method. Which interface method is overridden?
...e two methods have conflicting return types, then it will be a compilation error. This is the general rule of inheritance, method overriding, hiding, and declarations, and applies also to possible conflicts not only between 2 inherited interface methods, but also an interface and a super class metho...
Are C++ enums signed or unsigned?
...ana; // Okay, Banana is a member of the Fruit enum
fruitVariable = 1; // Error, 1 is not a member of enum Fruit
// even though it has the same value as banana.
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Why is list initialization (using curly braces) better than the alternatives?
...char c2 = val2; // if val2==1025, c2 becomes 1 (bad)
int x3 {val}; // error: possible truncation (good)
char c3 {val2}; // error: possible narrowing (good)
char c4 {24}; // OK: 24 can be represented exactly as a char (good)
char c5 {264}; // error (assuming 8-bit chars): 264 cann...
No 'Access-Control-Allow-Origin' - Node / Apache Port Issue
...-http-proxy and Vhosts Apache but not having much succes, please see full error and code below.
13 Answers
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View not attached to window manager crash
... report app crashes. I was getting a View not attached to window manager error message and thought I had fixed it by wrapping the pDialog.dismiss(); in an if statement:
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Loading local JSON file
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I tried this, but no luck. No error in console as well :(
– Govind Kailas
Feb 15 '14 at 11:21
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Performance surprise with “as” and nullable types
I'm just revising chapter 4 of C# in Depth which deals with nullable types, and I'm adding a section about using the "as" operator, which allows you to write:
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