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How to use phpexcel to read data and insert into database?
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In order to read data from microsoft excel 2007 by codeigniter just create a helper function excel_helper.php and add the following in:
require_once APPPATH.'libraries/phpexcel/PHPExcel.php';
require_once APPPATH.'l...
Is it possible to create static classes in PHP (like in C#)?
...push the session to the database.
Another advantage is you can ignore the order you call things as everything will be setup on demand.
class Factory {
static function &getDB ($construct_params = null)
{
static $instance;
if( ! is_object($instance) )
{
...
13 个免费学习编程的好地方 - 创意 - 清泛网 - 专注C/C++及内核技术
...算机编程入门的好地方。
GitHub
有时候，当你因为某个问题卡壳了，你需要查阅些资料，你就需要GitHub 了。在这里你可以找到 500 本免费编程书，涵盖 80 个不同的编程语言，这些书在Git 库托管服务中，这意味着会被定期更新。...
融资千万美元后的足记要如何应对“爆款后遗症”？ - 资讯 - 清泛网 - 专注C...
...作的一支短片，短片把3741位读者回答“我去何方”这个问题发来的图片和字幕连接起来，展现生活的不同可能性。
这是足记从图片出发延伸开去的路径：单张图片——多长图片——短视频——电影
“我们已经有几十部电影有...
using jquery $.ajax to call a PHP function
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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兼容主流浏览器的JS复制内容到剪贴板 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...个方法也就失效了。
那么如何解决这个“真实操作”的问题呢？可以使用一个JavaScript库：Zero Clipboard，利用这个js库可以支持利用flash 10 实现复制到剪贴板。这个方法原理是在一个透明的flash（对用户来说是不可见的）上覆盖一...
How to get the client IP address in PHP [duplicate]
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I believe the code is missing some expression and the order of priorities is inversed, so it should be like this: $ip = $_SERVER['HTTP_CLIENT_IP']?$_SERVER['HTTP_CLIENT_IP']:($_SERVER['HTTP_X_FORWARDED_FOR']?$_SERVER['HTTP_X_FORWARDED_FOR']:$_SERVER['REMOTE_ADDR']); Nevertheless...
原子vector的一种实现源码(atomic-vector) - C/C++ - 清泛网 - 专注C/C++及内核技术
...cting\n",
typeName(), this);
delete m_next.load(std::memory_order_relaxed);
}
template<typename Value>
void AtomicVector<Value>::ensureSize(size_t size) {
FTRACE(2, "{}::ensureSize({}), m_size = {}\n",
typeName(), size, m_size);
if (m_size >= size) return;
au...
Get the client IP address using PHP [duplicate]
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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When to use static vs instantiated classes
... Framework. There are classes which use static method calls (factories) in order to build objects. It was impossible for me to supply another factory to that instance in order to get a customized object returned. The solution to this problem is to only use instances and instace methods and enforce s...