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Convert Go map to json
...arshal(datas)
fmt.Println(err)
// [] json: unsupported type: map[int]main.Foo
The thing is you cannot use integers as keys in JSON; it is forbidden. Instead, you can convert these values to strings beforehand, for instance using strconv.Itoa.
See this post for more details: https://stackoverflow...
Mixins vs. Traits
...s (MA and MB) or traits (TA and TB) define method with the same definition foo():void.
Mixin MA {
foo():void {
print 'hello'
}
}
Mixin MB {
foo():void {
print 'bye'
}
}
Trait TA {
foo():void {
print 'hello'
}
}
Trait TB {
foo():void {
p...
How do you use the Immediate Window in Visual Studio?
...r example, let’s say this is what your class looks like:
private class Foo
{
public string GetMessage()
{
return "hello";
}
}
If the object already exists in memory and it’s in scope, then you can call it in the Immediate Window as long as it has been instantiated before ...
mkdir -p functionality in Python [duplicate]
... What about distutils.dir_util.mkpath? It's pretty simple as mkpath('./foo/bar')
– auraham
Jan 15 '13 at 21:41
...
Is it bad practice to make a setter return “this”?
...otherwise! (because it avoids redundant clutter of repeating code like bla.foo.setBar1(...) ; bla.foo.setBar2(...) when you could write bla.foo /* newline indented */.setBar1(...) /* underneath previous setter */ .setBar2(...) (can't use linebreaks in a SO comment like this :-( ... hope you get the ...
What does “atomic” mean in programming?
...mple, because an example is often clearer than a long explanation. Suppose foo is a variable of type long. The following operation is not an atomic operation:
foo = 65465498L;
Indeed, the variable is written using two separate operations: one that writes the first 32 bits, and a second one which ...
How do I make class methods / properties in Swift?
...operties and type methods and you use the class or static keywords.
class Foo {
var name: String? // instance property
static var all = [Foo]() // static type property
class var comp: Int { // computed type property
return 42
}
class func alert() { ...
How to handle anchor hash linking in AngularJS
...ation.hash(id);
$anchorScroll();
}
});
<a ng-click="scrollTo('foo')">Foo</a>
<div id="foo">Here you are</div>
Here is a plunker to demonstrate
EDIT: to use this with routing
Set up your angular routing as usual, then just add the following code.
app.run(functi...
How do I create an array of strings in C?
...); // where aString is either an array or pointer to char
strcpy(strs[1], "foo");
You can add a list of initializers as well:
char strs[NUMBER_OF_STRINGS][STRING_LENGTH+1] = {"foo", "bar", "bletch", ...};
This assumes the size and number of strings in the initializer match up with your array di...
Writing a compiler in its own language
Intuitively, it would seems that a compiler for language Foo cannot itself be written in Foo. More specifically, the first compiler for language Foo cannot be written in Foo, but any subsequent compiler could be written for Foo .
...