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How to check null objects in jQuery
...e the length property of the jQuery collection returned by your selector:
if ( $('#myDiv').length ){}
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In php, is 0 treated as empty?
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you should update your cheat sheet now I will give you some more... 0.0 = true, 0.00 = true, "0.0" = false
– Sayed Mohd Ali
Mar 6 '19 at 6:40
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How do you find the current user in a Windows environment?
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This is a good answer, but there are some caveats. If I enter whoami, I get desktop-machine\bballdave025. There are two parts, seen via: 1) echo %USERNAME%, result bballdave025; 2) echo %USERDOMAIN%, result DESKTOP-MACHINE. I guess one could say the 'complete username' is ava...
Is it possible to use getters/setters in interface definition?
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You can specify the property on the interface, but you can't enforce whether getters and setters are used, like this:
interface IExample {
Name: string;
}
class Example implements IExample {
private _name: string = "Bob";
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Putting git hooks into repository
...t .git/hooks into the projects repository (using symlinks, for example). If yes, what is the best way to deliver same hooks to different git users?
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What is the motivation for bringing Symbols to ES6?
As you may know they are planning to include new Symbol primitive type in ECMAScript 6 (not to mention some other crazy stuff). I always thought that the :symbol notion in Ruby is needless; we could easily use plain strings instead, like we do in JavaScript. And now they decide to complicate thi...
serve current directory from command line
...erve the current directory from command line with ruby? it would be great, if i can have some system wide configuration (e.g. mime-types) and simply launch it from every directory.
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Should I pass a shared_ptr by reference? [duplicate]
...per with value semantics via RSF w = std::ref(p);. So much for the setup.
Now, everybody knows that containers of pointers are minefield. So std::vector<Foo*> will be a nightmare to maintain, and any number of bugs arise from improper lifetime management. What's worse conceptually is that it ...
file_get_contents(“php://input”) or $HTTP_RAW_POST_DATA, which one is better to get the body of JSON
...obj = {plugin: 'jquery-json', version: 2.3};
var encoded = JSON.stringify( js_obj );
var data= encoded
$.ajax({
type: "POST",
url: '1.php',
data: data,
success: function(data){
console.log(data);
}
});
}
</script>
1.php
//print_r($_POST); //empty!!! don't wor...
How do I keep Python print from adding newlines or spaces? [duplicate]
In python, if I say
15 Answers
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