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What would a “frozen dict” be?
... x == y
True
>>> x == {'a': 1, 'b': 2}
True
>>> d = {x: 'foo'}
>>> d[y]
'foo'
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C#: How to convert a list of objects to a list of a single property of that object?
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ReSharper warns: “Static field in generic type”
...urse we wouldn't normally have public fields, but...
public static int Foo;
}
public class Test
{
public static void Main()
{
Generic<string>.Foo = 20;
Generic<object>.Foo = 10;
Console.WriteLine(Generic<string>.Foo); // 20
}
}
As you can ...
Select objects based on value of variable in object using jq
...
How would I get the parent 'FOO', 'BAR', 'BAZ'?
– spazm
Jun 15 '16 at 18:13
...
Passing additional variables from command line to make
...ment operator, it only has an effect if the variable is not yet defined):
FOO?=default_value_if_not_set_in_environment
Note that certain variables are not inherited from environment:
MAKE is gotten from name of the script
SHELL is either set within a makefile, or defaults to /bin/sh (rationale:...
What are the differences between JSON and JavaScript object? [duplicate]
...st be quoted, while in object literals this is not necessary:
// JSON:
{ "foo": "bar" }
// Object literal:
var o = { foo: "bar" };
The quotes are mandatory on JSON because in JavaScript (more exactly in ECMAScript 3rd. Edition), the usage of reserved words as property names is disallowed, for ex...
Mutable vs immutable objects
...e can have a number of different meanings. For example, suppose an object foo has a field int[] arr, and it holds a reference to a int[3] holding the numbers {5, 7, 9}. Even though the type of the field is known, there are at least four different things it can represent:
A potentially-shared ref...
What is the difference between client-side and server-side programming?
...le code executes like this:
<script type="text/javascript">
var foo = 'bar';
<?php
file_put_contents('foo.txt', ' + foo + ');
?>
var baz = <?php echo 42; ?>;
alert(baz);
</script>
Step 1, PHP executes all code between <?php ?> tags. The r...
How to determine function name from inside a function
... contains all other functions in the call stack. For example:
# in a file "foobar"
function foo {
echo foo
echo "In function $FUNCNAME: FUNCNAME=${FUNCNAME[*]}" >&2
}
function foobar {
echo "$(foo)bar"
echo "In function $FUNCNAME: FUNCNAME=${FUNCNAME[*]}" >&2
}
foobar...
What is the reason behind “non-static method cannot be referenced from a static context”? [duplicate
...instance fields are the data. Together, they form an object.
public class Foo
{
private String foo;
public Foo(String foo){ this.foo = foo; }
public getFoo(){ return this.foo; }
public static void main(String[] args){
System.out.println( getFoo() );
}
}
What could pos...