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Command line to remove an environment variable from the OS level configuration
...'t seem to work - or I'm misunderstanding something basic. I do setx JUNK Hello. Open new cmd. Type echo %JUNK% and get Hello. Then I do REG delete "HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" /F /V JUNK, and confirm that value is gone from registry. I open new cmd and typ...
What is the meaning of the 'g' flag in regular expressions?
...string.
Lets say if we want to remove all occurences of "o" with "" from "hello world"
"hello world".replace(/o/g,'');
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How to show full object in Chrome console?
...gify(x,null,4));
}
// how to call it
let obj = { a: 1, b: [2,3] };
print('hello',123,obj);
will output in console:
[
"hello",
123,
{
"a": 1,
"b": [
2,
3
]
}
]
...
Why is the String class declared final in Java?
...agemnt. Try to create two identical string one after another, for example "hello". You will notice, if you debug, that they have identical IDs, that means that they are exactly THE SAME objects. This is due to the fact that Java let's you do it. This wouldn't be posssible if the strings were muttabl...
ExpressJS How to structure an application?
...ng a new route definition and implementation is really easy. For examples, hello.js:
function hello(req, res) {
res.send('Hello world');
}
module.exports = function (app) {
app.get('/api/hello_world', hello);
};
Each route module is standalone.
...
How to append something to an array?
...ues to the end of an array:
// initialize array
var arr = [
"Hi",
"Hello",
"Bonjour"
];
// append new value to the array
arr.push("Hola");
console.log(arr);
You can use the push() function to append more than one value to an array in a single call:
// initialize array
var arr ...
Search in all files in a project in Sublime Text 3
...e change this behaviour somehow to make it deeper?
– hello_there_andy
Nov 13 '19 at 18:28
1
@hell...
Javascript “Uncaught TypeError: object is not a function” associativity question
...se semicolons to properly separate statements:
var postTypes = new Array('hello', 'there'); // <--- Place a semicolon here!!
(function() { alert('hello there') })();
Your code was actually trying to invoke the array object.
...
How can I make my own base image for Docker?
...kerfile to be the first filesystem layer in your image.
FROM scratch
ADD hello /
CMD ["/hello"]
http://docs.docker.com/engine/articles/baseimages/#creating-a-simple-base-image-using-scratch
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Python __call__ special method practical example
...eaving", f.__name__)
return new_f
@EnterExitParam("foo bar")
def hello():
print("Hello")
if __name__ == "__main__":
hello()
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