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How do you echo a 4-digit Unicode character in Bash?
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Quick one-liner to convert UTF-8 characters into their 3-byte format:
var="$(echo -n '☠' | od -An -tx1)"; printf '\\x%s' ${var^^}; echo
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What do I use for a max-heap implementation in Python?
...s to invert the value of the keys and use heapq. For example, turn 1000.0 into -1000.0 and 5.0 into -5.0.
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How can I determine what font a browser is actually using to render some text?
...n pasting from Firefox (where for "웃" Firefox's "Apple SD Gothic Neo" is converted into "AppleMyungjo" on pasting), but works well for Safari and Chrome:
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How to change the Text color of Menu item in Android?
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@ColinM. It has to go into a theme. If you set a theme attribute on your toolbar, this works.
– DariusL
Sep 30 '15 at 10:04
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Best way to initialize (empty) array in PHP
...ul if you wanna create your array in an object with properties pattern and convert it to array in the end.
– Jomar Sevillejo
Dec 8 '15 at 8:30
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ActionBar text color
..., and removing the alpha if needed (the font tag does not support alpha):
int orange = getResources().getColor(R.color.orange);
String htmlColor = String.format(Locale.US, "#%06X", (0xFFFFFF & Color.argb(0, Color.red(orange), Color.green(orange), Color.blue(orange))));
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Is “ ” a replacement of “ ”?
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Is there any change to convert these numeric entity referenece into the character enitiy reference?
– user2140111
Sep 4 '15 at 10:41
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PHP Pass by reference in foreach [duplicate]
...ill become a normal variable (Since no one else is pointing to $a[0] it is converted to a normal variable. PHP is smart enough to make it a normal variable when no one else is pointing towards it)
This is what happens in the first loop
foreach ($a as &$v) {
}
After the last iteration $a[3...
Create PostgreSQL ROLE (user) if it doesn't exist
...catch only this one error. As other answers mentioned it is a good idea to convert fatal error to simple notice. Other PostgreSQL IF NOT EXISTS commands adds , skipping into their message, so for consistency I'm adding it here too.
Here is full SQL code for simulation of CREATE ROLE IF NOT EXISTS w...
How to reset a form using jQuery with .reset() method
...s post here, jQuery has no reset() method; but native JavaScript does. So, convert the jQuery element to a JavaScript object by either using :
$("#formId")[0].reset()
// or
$("#formId").get(0).reset()
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