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php上传多文件max_file_uploads限制问题
在PHP程序中,常常会遇到这种问题,上传附件时明明成功上传了很多附件,如图片等,但实际上只存在20个附件,或者直接报错无法上传。 在DEDECMS5.7编辑图集的时候,发现只要超过20张图片保存就会出错,提示如下: PHP Warning: Maximum number of allowable f ...
分类:Web程序   时间:2017-09-05 17:55:17    阅读次数:219
移动端总结和手机兼容问题
H5页面窗口自动调整到设备宽度,并禁止用户缩放页面 <meta name="viewport" content="width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no" /> ...
分类:移动开发   时间:2017-09-05 01:48:26    阅读次数:368
layui发送手机验证码
<!DOCTYPEhtml> <html> <head> <metacharset="utf-8"> <title>登入</title> <metaname="viewport"content="width=device-width,initial-scale=1,maximum-scale=1"> <metaname="keywords"content="fly,layui,前端社区"> <m..
分类:移动开发   时间:2017-09-04 15:06:57    阅读次数:429
【转】iphone - ios app maximum memory budget
https://stackoverflow.com/questions/5887248/ios-app-maximum-memory-budget device: (crash amount/total amount/percentage of total) iPad1: 127MB/256MB/4 ...
分类:移动开发   时间:2017-09-04 13:23:37    阅读次数:218
group by 和 having子句
GROUP BY语法可以根据给定数据列的每个成员对查询结果进行分组统计,最终得到一个分组汇总表。 select子句中的列名必须为分组列或列函数,列函数对于group by子句定义的每个组返回一个结果。 某个员工信息表结构和数据如下: [sql] view plain copy SELECT dept ...
分类:其他好文   时间:2017-09-04 13:17:05    阅读次数:166
LeetCode 670: Maximum Swap
Note: 1. Scan from the small level. 2. Only take the index larger one if same digits. ...
分类:其他好文   时间:2017-09-04 09:45:46    阅读次数:126
洛谷 P3004 [USACO10DEC]宝箱Treasure Chest
P3004 [USACO10DEC]宝箱Treasure Chest 题目描述 Bessie and Bonnie have found a treasure chest full of marvelous gold coins! Being cows, though, they can't jus ...
分类:其他好文   时间:2017-09-03 18:37:45    阅读次数:187
[leetcode-670-Maximum Swap]
Given a non-negative integer, you could swap two digits at most once to get the maximum valued number. Return the maximum valued number you could get. ...
分类:其他好文   时间:2017-09-03 14:14:05    阅读次数:125
Max Consecutive Ones
Given a binary array, find the maximum number of consecutive 1s in this array. Example 1: Input: [1,1,0,1,1,1] Output: 3 Explanation: The first two di ...
分类:其他好文   时间:2017-09-03 10:10:36    阅读次数:213
Maximum Depth of Binary Tree
Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest l ...
分类:其他好文   时间:2017-09-03 10:08:39    阅读次数:133
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