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How to detect when cancel is clicked on file input?
...meraDismiss() {
const REQUESTED_DELAY_MS = 25;
const ALLOWED_MARGIN_OF_ERROR_MS = 25;
const MAX_REASONABLE_DELAY_MS =
REQUESTED_DELAY_MS + ALLOWED_MARGIN_OF_ERROR_MS;
const MAX_TRIALS_TO_RECORD = 10;
const triggerDelays = [];
let lastTriggerTime = Date.now();
return new Promise...
Pretty printing XML with javascript
...
I get an error, but the error has no message. It happens in the fiddle too, using firefox.
– Tomáš Zato - Reinstate Monica
Aug 23 '18 at 15:51
...
In Scala, what exactly does 'val a: A = _' (underscore) mean?
...
val a: A = _ is a compile error. For example:
scala> val a: String = _
<console>:1: error: unbound placeholder parameter
val a: String = _
^
What does work is var a: A = _ (note var instead of val). As Chuck s...
Connecting to TCP Socket from browser using javascript
...ose();
}
);
},
e => console.error("Sending error: ", e)
);
}
);
More details are outlined in the w3.org tcp-udp-sockets documentation.
http://raw-sockets.sysapps.org/#interface-tcpsocket
https://www.w3.org/TR/tcp-udp-sockets/
Another alternat...
phpmyadmin logs out after 1440 secs
...annot load your phpmyadmin page, check
your apache log at /var/log/apache2/error.log. If you got PHP Fatal
error: Call to a member function get() on a non-object in
/path/to/phpmyadmin/libraries/Header.class.php on line 135, then do
a chmod 644 config.inc.php. that should take care of the error.
You...
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
... the
NumPy developers refused to guess and instead decided to raise a ValueError
whenever one tries to evaluate an array in boolean context. Applying and to
two numpy arrays causes the two arrays to be evaluated in boolean context (by
calling __bool__ in Python3 or __nonzero__ in Python2).
Your ori...
Readonly Properties in Objective-C?
... and therefore using the dot notation to set a value fails with a compiler error. The dot notation fails because the compiler stops you from calling a method (the setter) that does not exist.
The simplest way around this is to directly access the member variable, named with the underscore. You can ...
Do you (really) write exception safe code? [closed]
... (using std::numeric_limits<T>::max()) before doing the addition.
My error would go in the "Normal failure vs. bug" section, that is, a bug.
It doesn't invalidate the reasoning, and it does not mean the exception-safe code is useless because impossible to attain.
You can't protect yourself aga...
Cannot create or edit Android Virtual Devices (AVD) from Eclipse, ADT 22.6
...ng new means. 22.3... eclipse closed hastily... now its not opening due to error eclipse executable launcher unable to locate campanian shared library... what can I do ?
– Abdul Wahab
Apr 13 '14 at 9:28
...
public static const in TypeScript
...e, there would also be a strict version of this, which would even throw an Error when someone tried to assign some value to the field with "use strict"; being set. (This is only the static part though)
/**
* Turns static fields into getter-only, and therefor renders them "final".
* Also throws an...