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Remove insignificant trailing zeros from a number?
...mber(n.toFixed(4));
toFixed will round/pad the number to a specific length, but also convert it to a string. Converting that back to a numeric type will not only make the number safer to use arithmetically, but also automatically drop any trailing 0's. For example:
var n = "1.234000";
n = ...
What is IP address '::1'?
... (0000... 127 times..1).
It's representation should have been like this -> 0000:0000:0000:0000:0000:0000:0000:0001 but we have some short form representation for this. If there are all zeroes in a single block you can replace it by single 0. So it becomes -> 0:0:0:0:0:0:0:0001.
Again we can s...
Facebook access token server-side validation for iPhone app
...nce "facebook.php";
$facebook = new Facebook(array(
"appId" => "your_application_id",
"secret" => "your_application_secret"
));
$facebook->setAccessToken($access_token);
return $facebook->api("/me", "GET");
}
You can download the Facebook SDK for PHP fr...
How can I convert tabs to spaces in every file of a directory?
... instead
find . -name '*.java' ! -type d -exec bash -c 'expand -t 4 "$0" > /tmp/e && mv /tmp/e "$0"' {} \;
to apply expand to every Java file in the current directory tree. Remove / replace the -name argument if you're targeting some other file types. As one of the comments mentions, b...
SELECT INTO a table variable in T-SQL
...SELECT name, location FROM myTable
INNER JOIN otherTable ON ...
WHERE age > 30;
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Why is pow(a, d, n) so much faster than a**d % n?
...
+1 that's actually what the docstring implies >>> print pow.__doc__ pow(x, y[, z]) -> number With two arguments, equivalent to x**y. With three arguments, equivalent to (x**y) % z, but may be more efficient (e.g. for longs).
– Hedde van...
What does the > (greater than bracket) mean beside file names in Eclipse's Package Explorer?
... OK, have found that this is all configurable in Preferences: Team >> SVN >> Label Decorations. Thanks for the pointer. Will accept your answer once the 10 minute time limit is over.
– Stu Thompson
Dec 2 '11 at 13:30
...
Chrome DevTools Devices does not detect device when plugged in
...uter was change the USB connection mode to "Audio Source" (Phone Settings > Developer Options > USB Configuration).
This then immediately came up with the on-device prompt to allow the RSA key fingerprint. Then the dev tools on computer recognised my device.
Why this works I do not know, ho...
Can I get Memcached running on a Windows (x64) 64bit environment?
...run memcached for Win32 on Windows Server 2008 R2, 64 bit.
memcached.exe -> properties -> Compatibility -> Run this program in compatibility mode for: Windows XP (SP 3).
Notice that the user Uriel Katz mention in this discussion that this method restricted to 2GB memory of use.
...
How to get the first element of an array?
...e original array (removes the first item and returns it). Therefore the length of an array is reduced by one.
This method can be used in inline cases where you just need to get the first element, but you dont care about the original array.
yourArray.shift()
The important thing to know is that t...