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What does ~~ (“double tilde”) do in Javascript?
...umbers.
Math.trunc(13.37) // 13
Math.trunc(42.84) // 42
Math.trunc(0.123) // 0
Math.trunc(-0.123) // -0
Math.trunc("-1.123")// -1
Math.trunc(NaN) // NaN
Math.trunc("foo") // NaN
Math.trunc() // NaN
The polyfill:
function trunc(x) {
return x < 0 ? Math.ceil(x) : Math....
How can I replace every occurrence of a String in a file with PowerShell?
...d of Out-File yuou get a warning like "The process cannot access the file '123.csv' because it is being used by another process.".
– Iain Samuel McLean Elder
Sep 17 '13 at 14:36
9
...
Different between parseInt() and valueOf() in java?
...ould also use this eyesore:
Integer k = Integer.valueOf(Integer.parseInt("123"))
Now, if what you want is the object and not the primitive, then using valueOf(String) may be more attractive than making a new object out of parseInt(String) because the former is consistently present across Integer,...
Best way to parse command line arguments in C#? [closed]
... master), or their arguments are not flexible (i.e., doesn't support --foo 123 = --foo=123 = -f 123= -f=123 and also -v -h = -vh).
– Wernight
Nov 28 '12 at 12:13
1
...
How to access the GET parameters after “?” in Express?
... pass your second segment is your id example: http://localhost:port/sample/123
If you facing problem please use Passing variables as query string using '?' operator
app.get('/sample', function(req, res) {
var id = req.query.id;
................
});
Get link your like this ex...
Sprintf equivalent in Java
... that are perfect as instance methods, take String.Length()
int length = "123".Length();
In this situation, it's obvious we are not trying to modify "123", we are just inspecting it, and returning its length. This is a perfect candidate for an instance method.
My simple rules for Instance Method...
Drawing a line/path on Google Maps
...nswered Oct 20 '10 at 5:08
richa123richa123
21122 silver badges22 bronze badges
...
How did I get a value larger than 8 bits in size from an 8-bit integer?
...th c = c - 1 and the values remained within the range [-128 ... 127]:
c: -123
c: -124
c: -125
c: -126
c: -127
c: -128 // about to overflow
c: 127 // woop
c: 126
c: 125
c: 124
c: 123
c: 122
Freaky ey? I don't know much about what the compiler does to expressions like i++ or i--. It's likely promo...
Check whether a path is valid in Python without creating a file at the path's target
...es:
Under Windows, instances of WindowsError whose winerror attribute is 123 (i.e., ERROR_INVALID_NAME).
Under all other OSes:
For pathnames containing null bytes (i.e., '\x00'), instances of TypeError.
For pathnames containing path components longer than 255 bytes, instances of OSError whose errc...
Backbone.js get and set nested object attribute
...ute1: 'abc', myAttribute2: 'xyz' } });
myModel.set('obj1', { myAttribute1: 123, myAttribute2: 456 });
It would be easy to generate the models list automatically in initialize, but this solution was good enough for me.
shar...