大约有 31,000 项符合查询结果（耗时：0.0395秒） [XML]
Is Java really slow?
... Fortran, etc.) can beat it; however, Java can be more than 10x as fast as PHP, Ruby, Python, etc. There are specific areas where it can beat common compiled languages (if they use standard libraries).
There is no excuse for "slow" Java applications now. Developers and legacy code/libraries are to ...
Function to calculate distance between two coordinates
...
Derek's solution worked fine for me, and I've just simply converted it to PHP, hope it helps somebody out there !
function calcCrow($lat1, $lon1, $lat2, $lon2){
$R = 6371; // km
$dLat = toRad($lat2-$lat1);
$dLon = toRad($lon2-$lon1);
$lat1 = toRad($lat1);
$l...
Laravel - Eloquent or Fluent random row
... on the collection object not the sql query. the random function is run on php side
– astroanu
Oct 15 '15 at 6:13
@ast...
API Keys vs HTTP Authentication vs OAuth in a RESTful API
...I, then use oAuth.
Here's a good description: http://www.srimax.com/index.php/do-you-need-api-keys-api-identity-vs-authorization/
share
|
improve this answer
|
follow
...
How do I append one string to another in Python?
...'t help at all when what I'm trying to do is the rough equivalent of, say, PHP/perl's "string .= verifydata()" or similar.
– Shadur
Feb 23 '16 at 8:42
...
Inserting HTML into a div
...f Html inserted. For example, I have a case in which server technologies (php etc) are disallowed, and I want to re-use about 20 lines of html inside the same page.
– Jennifer Michelle
Jan 30 '14 at 4:47
...
How to append text to an existing file in Java?
...r }catch(IOException ex){ ex.printStackTrace(); }
– php_coder_3809625
Aug 18 '16 at 12:12
...
Making HTTP Requests using Chrome Developer tools
... you can do it writing on chrome developers console:
$.get(
"somepage.php",
{paramOne : 1, paramX : 'abc'},
function(data) {
alert('page content: ' + data);
}
);
Its jquery way of doing it!
share
...
SQL: deleting tables with prefix
...e MySQL to construct the statement for you:
In the MySQL shell or through PHPMyAdmin, use the following query
SELECT CONCAT( 'DROP TABLE ', GROUP_CONCAT(table_name) , ';' )
AS statement FROM information_schema.tables
WHERE table_name LIKE 'myprefix_%';
This will generate a DROP stateme...
Can I get the name of the currently running function in JavaScript?
... Perfect. That's when JS does not have native constants like PHP does with Magic constants...
– stamster
Jul 3 '19 at 15:41
...