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PHP MySQL Google Chart JSON - Complete Example

...using MySQL table data as the data source. I searched for a couple of days and realised that there are few examples available for generating a Google Chart (pie, bar, column, table) using a combination of PHP and MySQL. I finally managed to get one example working. ...
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How can I know when an EditText loses focus?

... Implement onFocusChange of setOnFocusChangeListener and there's a boolean parameter for hasFocus. When this is false, you've lost focus to another control. EditText txtEdit = (EditText) findViewById(R.id.edittxt); txtEdit.setOnFocusChangeListener(new OnFocusChangeListener(...
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git: How to diff changed files versus previous versions after a pull?

...pull" I often want to know what changed between the last version of a file and the new one. Say I want to know what someone else committed to a particular file. ...
https://www.tsingfun.com/it/cpp/1094.html 

怎么往SetTimer的回调函数传递参数 - C/C++ - 清泛网 - 专注C/C++及内核技术

...Proc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { int wmId, wmEvent; PAINTSTRUCT ps; HDC hdc; switch (message)//message就是消息号 { case WM_COMMAND: ... default: return DefWindowProc(hWnd, message, wParam, lParam); } return 0;...
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boost自定义composite_key_compare比较函数 - C/C++ - 清泛网 - 专注C/C++及内核技术

...include "boost/multi_index/composite_key.hpp" #include "boost/multi_index/identity.hpp" #include "boost/multi_index/sequenced_index.hpp" #include "boost/multi_index/mem_fun.hpp" using boost::multi_index_container; using namespace boost::multi_index; typedef char IDType[81]; struct TPara...
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c++关闭按钮灰掉 - C/C++ - 清泛网 - 专注C/C++及内核技术

... 获得系统菜单CMenu *pMenu = GetSystemMenu(false); 获得关闭按钮IDUINT ID = pMenu->GetMenuItemID(pMenu->Ge... 通过系统菜单灰掉: //获得系统菜单 CMenu *pMenu = GetSystemMenu(false); //获得关闭按钮ID UINT ID = pMenu->GetMenuItemID(pMenu->GetMenuItemCount()-1); ...
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Postfix日常维护队列管理 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...队列: 一般是先用mailq查看队列里的邮件,找到对应的id,然后用postsuper -d来删除。 例如id是0EAF3A9B 那么postsuper -d 0EAF3A9B postsuper -d ALL 删除所有邮件 显示信件列表:postqueue -p 显示信件內容:postcat -q Queue_ID 刪除各別信件...
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单页web应用(SPA)的简单介绍 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...url中#号后面的部分。 <a href="target">go target</a> ...... <div id="target">i am target place</div> 点击a链接,文档会滚动到id为target的div的可视区域上面去。hash除了这个功能还有另一一种含义:指导浏览器的行为但不上传到服务器。大家...
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C++简练易用的线程池(threadpool)及上下文隔离的无锁线程池(isolated_threa...

...队列后面 (*task)(); }); } #ifdef THREADPOOL_AUTO_GROW if (_idlThrNum < 1 && _pool.size() < THREADPOOL_MAX_NUM) addThread(1); #endif // !THREADPOOL_AUTO_GROW _task_cv.notify_one(); // 唤醒一个线程执行 return future; } //...... // 执行任务 while (_run) {...
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Ignore mouse interaction on overlay image

I have a menu bar with hover effects, and now I want to place a transparent image with a circle and a "handdrawn" text over one of the menu items. If I use absolute positioning to place the overlay image above the menu item, the user will not be able to click the button and the hover effect will not...