大约有 40,000 项符合查询结果(耗时:0.0385秒) [XML]
json_encode sparse PHP array as JSON array, not JSON object
...at is, if its keys are 0, 1, 2, 3, ...
You can reindex your array sequentially using the array_values function to get the behaviour you want. For example, the code below works successfully in your use case:
echo json_encode(array_values($input)).
...
How to set my phpmyadmin user session to not time out so quickly? [duplicate]
...ger than 1800.
Note:
Always keep on mind that a short cookie lifetime is all well and good for the development server. So do not do this on your production server.
share
|
improve this answer
...
JavaScript isset() equivalent
...
I generally use the typeof operator:
if (typeof obj.foo !== 'undefined') {
// your code here
}
It will return "undefined" either if the property doesn't exist or its value is undefined.
(See also: Difference between undefi...
Remove non-numeric characters (except periods and commas) from a string
...
You could use preg_replace to swap out all non-numeric characters and the comma and period/full stop as follows:
$testString = '12.322,11T';
echo preg_replace('/[^0-9,.]+/', '', $testString);
The pattern can also be expressed as /[^\d,.]+/
...
房多多:懂用户比懂互联网重要 - 资讯 - 清泛网 - 专注C/C++及内核技术
...既得利润,要有所为有所不为。
创业的第一年,面临的问题是你到底想干什么,是做交易还是做平台。过去十几年我做交易,公司不到一年也有几千万元的净利润。
但是做交易与做平台是有矛盾的,好比运动员同时想搭平台...
Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 爬虫/数据库 - 清...
...需要注释掉,不然恢复模式不好操作。 这里有个关键的问题,就是innodb里的任何数据操作都是一个日志的记录点。也就是如果我们需要数据恢复,必须把之前的表的数据的日志记录点添加到一致。
a、建立一个数据库,根据上...
How to drop unique in MySQL?
...swered Oct 14 '09 at 8:12
Wael DalloulWael Dalloul
19.4k1111 gold badges4444 silver badges5555 bronze badges
...
Best way to clear a PHP array's values
Which is more efficient for clearing all values in an array? The first one would require me to use that function each time in the loop of the second example.
...
Create JSON-object the correct way
I am trying to create an JSON object out of a PHP array. The array looks like this:
5 Answers
...
Storing Data in MySQL as JSON
.... And, so, I've never done it. Then I saw that FriendFeed did this and actually made their DB scale better and decreased latency. I'm curious if I should do this. And, if so, what's the right way to do it?
...
