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PHP 安装 ZIP 扩展 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...php.ini文件末尾加上extension=zip.so
我的php.ini在/usr/local/php/etc下(找到自己安装php的php.ini文件)
extension=zip.so
最后再重启下php即可。
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解决phpize 命令不存在:
可使用 which 命令查找 phpize 的...
BLE(一)概述&工作流程&常见问题 - 创客硬件开发 - 清泛IT社区,...
...与前面几代不同的是,蓝牙4.0版引入的BLE协议更注重功耗问题,而非通信速率的提升。这也使得低功耗蓝牙更加节能,能使设备的电池维持很长时间,因此在很多可穿戴设备中得到了应用。
0x2 BLE工作流程0x21 工作过程蓝牙适用...
How to fix “Headers already sent” error in PHP
...eader are:
header / header_remove
session_start / session_regenerate_id
setcookie / setrawcookie
Output can be:
Unintentional:
Whitespace before <?php or after ?>
The UTF-8 Byte Order Mark specifically
Previous error messages or notices
Intentional:
print, echo and other functi...
Are global variables in PHP considered bad practice? If so, why?
...e to access values that you need, for example get_query_var() in Wordpress etc.
– user2098467
Oct 23 '15 at 2:29
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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...been removed in php version 7.
Check $result before passing it to mysql_fetch_array. You'll find that it's false because the query failed. See the mysql_query documentation for possible return values and suggestions for how to deal with them.
$username = mysql_real_escape_string($_POST['username'...
企业级负载平衡简介 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...位读者在评论中提出了如果整个过程速度比较慢登陆会有问题这样一条评论...在之前的一篇文章《放好你的密码 - 从芝麻金融被攻破说起》中,一位读者在评论中提出了“如果整个过程速度比较慢登陆会有问题”这样一条评论。...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...ng them as though they were. However, since they can be iterated, counted, etc, a missing value is not the same as one whose value is null.
The answer in this case, is to use array_key_exists() instead of isset().
Since this is takes the array to check as a function argument, PHP will still raise ...
LVN_ITEMCHANGED通知会响应多次的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
LVN_ITEMCHANGED通知会响应多次的问题CListCtrl LVN_ITEMCHANGED通知会响应多次(三次)的问题及替代方案。
#define LVIF_STATE 0x0008
#define LVIS_FOCUSED 0x0001
#define LVIS_SELECTED 0x0002
// 在CListCtrl派生类中响应LVN_ITEMCHANG...
C语言面试那些事儿──一道指针与数组问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
C语言面试那些事儿──一道指针与数组问题首先看如下代码:int main(int argc, char** argv){ int a[5] = {1,2,3,4,5}; int* ptr = (int*)(&a + 1); ...首先看如下代码:
int main(int argc, char** argv)
{
int a[5] = {1,2,3,4,5};
int* ptr = (int*)(&a + 1);
...
Error: must call SetScrollSizes() or SetScaleToFitSize()问题的解决 - C...
Error: must call SetScrollSizes() or SetScaleToFitSize()问题的解决我的程序原来是基于CView的,但后来为了支持滚动功能所以按照网上的方法,手动把CView改为CScrollView(一些相应的处理都改了),但是程序...我的程序原来是基于CView的,但...