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Inspect hovered element in Chrome?
...-script-execution which helped me:
In the console:, Run:
const F12 = 123
window.addEventListener('keydown', function(event) {
if (event.keyCode === F12 ) {
debugger;
}
});
Highlight element with inspector
Hit F12
You can now inspect the element, with JavaScri...
Nginx serves .php files as downloads, instead of executing them
...some .php file it's just downloading it...
for example... http://5.101.99.123/info.php it's working but... If I go to the main http://5.101.99.123 it's downloading my index.php :/
...
What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
... |
| false | “false” | 0 |
| 123 | “123” | 123 |
| [] | “” | 0 |
| {} | “[object Object]” | NaN |
+-----------------+-------------------+--------...
MySQL IF NOT NULL, then display 1, else display 0
... c
LEFT JOIN addresses a ON c.customerid = a.customerid
WHERE customerid = 123
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Why is string concatenation faster than array join?
...and maybe other.
a = {
nodeA: 'abc',
nodeB: 'def'
}
And b = a.concat('123')
b = {
nodeA: a, /* {
nodeA: 'abc',
nodeB: 'def'
} */
nodeB: '123'
}
So in the simplest case the VM has to do nearly no work. The only problem is that this slows down...
Is mongodb running?
...
AdaTheDevAdaTheDev
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curl json post request via terminal to a rails app
...firstname","last_name":"lastname","email":"email@email.com","password":"app123","password_confirmation":"app123"}}' \
http://localhost:3000/api/1/users
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How to deal with floating point number precision in JavaScript?
...OfDecimals(Y) = ExpectedNumberOfDecimals. That is to say that if we have 0.123 * 0.12 then we know that there will be 5 decimal places because 0.123 has 3 decimal places and 0.12 has two. Thus if JavaScript gave us a number like 0.014760000002 we can safely round to the 5th decimal place without fea...
Find element's index in pandas Series
... [122]: myseries = pd.Series([1,7,0,7,5], index=['a','b','c','d','e'])
In [123]: list(myseries[myseries==7].index)
Out[123]: ['b', 'd']
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Only read selected columns
...wever. Large files are usually compressed.
– CoderGuy123
Feb 28 '16 at 9:03
There is a feature request for enabling th...