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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...
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....
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...
Pure JavaScript Send POST Data Without a Form
...to use navigator.sendBeacon():
const data = JSON.stringify({
example_1: 123,
example_2: 'Hello, world!',
});
navigator.sendBeacon('example.php', data);
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Drawing a line/path on Google Maps
...nswered Oct 20 '10 at 5:08
richa123richa123
21122 silver badges22 bronze badges
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Multiple “order by” in LINQ
...correct orderings if CategoryID is an int. For example, something with id=123, name=5times will appear after id=1234, name=something instead of before. It's also not inefficient to do string comparisons where int comparisons could occur.
– AaronLS
May 6 '13 a...
What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]
...
parseInt("123qwe")
returns 123
Number("123qwe")
returns NaN
In other words parseInt() parses up to the first non-digit and returns whatever it had parsed. Number() wants to convert the entire string into a number, which can also ...
Clearing purchases from iOS in-app purchase sandbox for a test user
...t you don't really have to verify your test user email. you can simply put 123@123.com with specify password(that you are still going to use the password in sandbox mode) and it still work. I just tested last night.
– sooon
May 1 '14 at 12:24
...
Set attributes from dictionary in python
...> 'y']) required so much cruft in Python
– Someguy123
Feb 6 '16 at 17:12
...
How do I add custom field to Python log format string?
...getLogger('Test')
if __name__=='__main__':
logger.logMessage('ERROR','123','This is an error')
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