大约有 40,000 项符合查询结果（耗时：0.0251秒） [XML]
Why is Magento so slow? [closed]
Is Magento usually so terribly slow?
11 Answers
11
...
Measuring the distance between two coordinates in PHP
...- http://www.codexworld.com/distance-between-two-addresses-google-maps-api-php/
$latitudeFrom = '22.574864';
$longitudeFrom = '88.437915';
$latitudeTo = '22.568662';
$longitudeTo = '88.431918';
//Calculate distance from latitude and longitude
$theta = $longitudeFrom - $longitudeTo;
$dist = sin(de...
Text Editor which shows \r\n? [closed]
...en the View menu, open the Show Symbols slide out, and select either "Show all characters" or "Show end-of-line characters".
share
|
improve this answer
|
follow
...
Best lightweight web server (only static content) for Windows [closed]
...
Have a look at mongoose:
single executable
very small memory footprint
allows multiple worker threads
easy to install as service
configurable with a configuration
file if required
share
|
...
Disable Laravel's Eloquent timestamps
...this moment we don't want to add the updated_at / created_at fields to all of our tables as we have a logging class that does all this in more depth for us already.
...
How can I enable auto complete support in Notepad++?
...r found any more documentation, but cpp.xml has a calltip for fopen, while php.xml is quite complete.
share
|
improve this answer
|
follow
|
...
Cannot simply use PostgreSQL table name (“relation does not exist”)
... is defined with a mixed-case spelling, and you're trying to query it with all lower-case.
In other words, the following fails:
CREATE TABLE "SF_Bands" ( ... );
SELECT * FROM sf_bands; -- ERROR!
Use double-quotes to delimit identifiers so you can use the specific mixed-case spelling as the tab...
How can I remove duplicate rows?
.../02/18/not-exists-vs-not-in Out of the 3 I think NOT EXISTS performs best. All three will generate a plan with a self join though that can be avoided.
– Martin Smith
Jan 14 '11 at 9:17
...
How to get ID of the last updated row in MySQL?
...AT_WS(',', fooid, @uids) );
SELECT @uids;
This will return a string with all the IDs concatenated by a comma.
share
|
improve this answer
|
follow
|
...
In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?
...e special [[Get]] internal method defined below.
b. Return the result of calling the get internal method using base as its this value, and passing
GetReferencedName(V) for the argument
Or in other words, a string has a primitive base, which calls back the internal get method and ends up looking ...