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京东618：算法让UV价值提升200%+，用智能卖场缩短购物路径 - 更多技术 - 清...
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CSDN：如果模型预测的结果为无货商品或下架商品，你们如何处理？
智能卖场团队：在推荐的结果中，如果出现无货或者下架的商品，我们将不会展示给用户。作为替代，我们将会给用户推荐它的相关或者相似的商品。这些相...
How do I use regex in a SQLite query?
...A SQLite UDF in PHP/PDO for the REGEXP keyword that mimics the behavior in MySQL:
$pdo->sqliteCreateFunction('regexp',
function ($pattern, $data, $delimiter = '~', $modifiers = 'isuS')
{
if (isset($pattern, $data) === true)
{
return (preg_match(sprintf('%1$s%...
What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
...what suggested here using the following conversion algorithm:
as a stored mysql function:
CREATE DEFINER=`r`@`l` FUNCTION `PositionSmallToFloat`(s INT)
RETURNS decimal(10,7)
DETERMINISTIC
RETURN if( ((s > 0) && (s >> 31)) , (-(0x7FFFFFFF -
(s & 0x7FFFFFFF))) / 600000, s / 60...
Storing images in SQL Server?
...that indeed many see saving images to disk better for larger images, while mySQL allows for easier access, specially from languages like PHP.
I found a similar question
MySQL BLOB vs File for Storing Small PNG Images?
My final verdict was that for things such as a profile picture, just a small s...
Why would json_encode return an empty string
...is problem was setting charset=utf8 in my PDO connection.
$dbo = new PDO('mysql:host=localhost;dbname=yourdb;charset=utf8', $username, $password);
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git rebase without changing commit timestamps
...so work with:
interactive rebase (rebase -i/rebase --interactive)
for the root commit (git rebase --root)
See "Change timestamps while rebasing git branch".
(Original answer, June 2012)
You could try, for a non-interactive rebase
(see just above: with Git 2.29, Q4 2020, that will work with an int...
PHP Composer update “cannot allocate memory” error (using Laravel 4)
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Late to the party, but I simply switched off Apache and MySQL. There is a reason I am using a 512MB RAM VPS, don't want to spend monies.
– Kumar
Mar 20 '17 at 14:13
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Find location of a removable SD card
...ally 'contact the manufacturer'. Not useful.
– dragonroot
Mar 15 '12 at 2:05
6
The last part of t...
Force SSL/https using .htaccess and mod_rewrite
...e rest. However, on the HTTPS pages, there are forms that submit to my web root. The form specifies the action url as HTTPS. However, since the web root isn't one of those pages that are specified to force HTTPS, my .htaccess then forces a redirect -- which means the POST variables are lost. How do ...
Tools for Generating Mock Data? [closed]
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If you are looking or willing to use something MySQL-specific, you could take a look at Super Smack. It is currently maintained by Tony Bourke.
Super Smack allows you to generate random data to insert into your database tables. It is customizable, allowing you to use...