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Constructor overload in TypeScript
...these for all function overloads (including constructors). Example:
class foo {
private _name: any;
constructor(name: string | number) {
this._name = name;
}
}
var f1 = new foo("bar");
var f2 = new foo(1);
...
Does every Javascript function have to return a value?
...hat deep in the specification, these are all slightly different:
function foo() {
}
function foo() {
return;
}
function foo() {
return undefined;
}
...but the result of calling each of them is the same: undefined. So in pragmatic terms:
You don't have to write a return, you can just let...
How to parse JSON in Python?
...
For example, you can't parse r'{"foo": null, "bar": true, "baz": "\ud83e\udd26"}' using ast.literal_eval(), because it contains nulls, a boolean value, and a single non-BMP codepoint. JSON represents those values differently from how Python literals would re...
Any way to replace characters on Swift String?
...rrences(of: originalString, with: newString)
}
}
Use:
var string = "foo!"
string.replace("!", with: "?")
print(string)
Output:
foo?
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ArrayIndexOutOfBoundsException when using the ArrayList's iterator
...swered Jul 14 '11 at 22:31
Fred FooFred Foo
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GroupBy pandas DataFrame and select most common value
...
@JoshFriedlander Define def foo(x): m = pd.Series.mode(x); return m.values[0] if not m.empty else np.nan and then use df.groupby(cols).agg(foo). If that doesn't work, fiddle with the implementation of foo for a bit. If you're still having starting troub...
Git push/clone to new server
... url
git push name branch
Example:
git remote add origin git@github.com:foo/bar.git
git push origin master
See the docs for git push -- you can set a remote as the default remote for a given branch; if you don't, the name origin is special. Just git push alone will do the same as git push origi...
Echo newline in Bash prints literal \n
...
You can still concatenate double-quote strings. ` foo="bar"; echo $''$foo'efoot'`
– Kamafeather
Sep 3 '19 at 0:24
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CSS - How to Style a Selected Radio Buttons Label?
... @fabregas88 You could add a CSS class to those elements, and then .foo { ... }
– Šime Vidas
Aug 15 '13 at 21:12
4
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How to tell git to ignore individual lines, i.e. gitignore for specific lines of code [duplicate]
...he value of a variable in a function call. Eg, instead of changing flags = foo | bar to flags = foo | bar | debug_thingy, you'd have to make sure you add a completely new line like flags |= debug_thingy after.
– Kat
May 25 '18 at 20:27
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