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Scala equivalent of Java java.lang.Class Object
...s[X]
val integerClass: Class[Integer] = new Integer(5).getClass //similar error
There is a ticket regarding the return type of getClass.
(James Moore reports that the ticket is "now", ie Nov. 2011, two years later, fixed.
In 2.9.1, getClass now does:
scala> "foo".getClass
res0: java.lan...
Disable scrolling in webview?
Until now I have been an iPhone developer only and now I have decided to give Android a whirl. Something I haven't been able to figure out on Android is how to programmatically prevent scrolling in a WebView ?
...
What can be the reasons of connection refused errors?
...m trying to write a server program in C,
using another client, I get this error when I try to connect through port 2080 for example.
...
Stack vs heap allocation of structs in Go, and how they relate to garbage collection
...r example:
type MyStructType struct{}
func myFunction1() (*MyStructType, error) {
var chunk *MyStructType = new(MyStructType)
// ...
return chunk, nil
}
func myFunction2() (MyStructType, error) {
var chunk MyStructType
// ...
return chunk, nil
}
type bigStruct struct {
...
Is there any standard for JSON API response format?
...
For error responses specifically I also like the Problem Details for HTTP APIs RFC draft.
– Pieter Ennes
Feb 13 '14 at 12:36
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Build tree array from flat array in javascript
...n you can merge the two for-loops. It supports multiple roots. It gives an error on dangling branches, but can be modified to ignore them. It doesn't require a 3rd-party library. It's, as far as I can tell, the fastest solution.
function list_to_tree(list) {
var map = {}, node, roots = [], i;
...
HTML if image is not found
...ay to solve your problem:
<img id="currentPhoto" src="SomeImage.jpg" onerror="this.onerror=null; this.src='Default.jpg'" alt="" width="100" height="120">
onerror is a good thing for you :)
Just change the image file name and try yourself.
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In what cases do I use malloc and/or new?
...;
struct foo {
double d[5];
};
int main() {
foo *f1 = malloc(1); // error, no cast
foo *f2 = static_cast<foo*>(malloc(sizeof(foo)));
foo *f3 = static_cast<foo*>(malloc(1)); // No error, bad
}
It's worse than that though. If the type in question is POD (plain old data) then yo...
bundle install fails with SSL certificate verification error
...run bundle install for my Rails 3 project on Centos 5.5 it fails with an error:
28 Answers
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How to do an instanceof check with Scala(Test)
...ses because it gives you the typecasting for free and leaves less room for error.
Example:
OuterType foo = blah
foo match {
case subFoo : SubType => {
subFoo.thingSubTypeDoes // no need to cast, use match variable
}
case subFoo => {
// fallthrough code
}
}
...