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CSS hexadecimal RGBA?
... represent a fully opaque color.
Example 3In other words, #0000ffcc represents the same color as rgba(0, 0, 100%, 80%) (a slightly-transparent blue).
4 digits
This is a shorter variant of the 8-digit notation, "expanded" in the same way as the 3-digit notation is. The first di...
How to make the 'cut' command treat same sequental delimiters as one?
...
No need for cat here. You could pass < text.txt directly to tr. en.wikipedia.org/wiki/Cat_%28Unix%29#Useless_use_of_cat
– arielf
Aug 9 '14 at 20:10
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What are the differences between GPL v2 and GPL v3 licenses? [closed]
...egally torrent executables of GPLed software, and a distributor can use an FTP archive or the like to satisfy the source code distribution requirement.
– David Thornley
Jun 29 '09 at 22:04
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Positioning a div near bottom side of another div
... illustration */
#outer { width: 300px; height: 200px; background: #f2f2cc; border: 1px solid #c0c0c0; }
#inner { width: 50px; height: 40px; background: #ff0080; border: 1px solid #800000; }
/* positioning the boxes correctly */
#outer { position: relative; }
#wrapper { position: abs...
How to set environment variables from within package.json
... like this with new vars separated by a line break
Then prepend export $(cat .env | xargs) && before your script command.
Example:
{
...
"scripts": {
...
"start": "export $(cat .env | xargs) && echo do your thing here",
"env": "export $(cat .env | xargs) &&...
hash function for string
...quite a few processors have started to include either special hardware to accelerate SHA computation, which has made it much more competitive. That said, I doubt your code is quite as safe as you think--for example, IEEE floating point numbers have two different bit patterns (0 and -0) that should p...
Check existence of directory and create if doesn't exist
...file.exists(paste(mainDir, subDir, "/", sep = "/", collapse = "/"))) {
cat("subDir exists in mainDir and is a directory")
} else if (file.exists(paste(mainDir, subDir, sep = "/", collapse = "/"))) {
cat("subDir exists in mainDir but is a file")
# you will probably want to handle this sep...
Why are arrays covariant but generics are invariant?
...do with a List<Animal> - you can add any animal to it... including a cat. Now, can you logically add a cat to a litter of puppies? Absolutely not.
// Illegal code - because otherwise life would be Bad
List<Dog> dogs = new List<Dog>();
List<Animal> animals = dogs; // Awooga a...
How to send an email using PHP?
...t if i need to send a email from local server. i mean is there any way to access the nearest mailing server and make it send mail for me. i mean i can find the address of a yahoo mailing server and then i use that server for mailing purposes... is this possible?
– user590849
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Why can't I overload constructors in PHP?
...','.$a2.','.$a3.PHP_EOL);
}
}
$o = new A('sheep');
$o = new A('sheep','cat');
$o = new A('sheep','cat','dog');
// results:
// __construct with 1 param called: sheep
// __construct with 2 params called: sheep,cat
// __construct with 3 params called: sheep,cat,dog
?>
and, it seem every one a...