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MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...

...从库的偏移量是从今天当前时刻开始的,也就是说虽然现主...情况时这样的: 昨天晚上主动2个机器都迁移了,然后今天才把主动重新连接上,但是从库的偏移量是从今天当前时刻开始的,也就是说虽然现主动看似正常,其...
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Can multiple different HTML elements have the same ID if they're different elements?

...ferent types it can cause you some serious problems... Suppose you have 3 buttons with the same id: <button id="myid" data-mydata="this is button 1">button 1</button> <button id="myid" data-mydata="this is button 2">button 2</button> <button id="myid" data-mydata="this i...
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Avoid modal dismiss on enter keypress

... I just had this problem too. My problem was that i had a close button in my modal <button class="close" data-dismiss="modal">×</button> Pressing enter in the input field caused this button to be fired. I changed it to an anchor instead and it works as expected n...
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How do I create multiple submit buttons for the same form in Rails?

I need to have multiple submit buttons. 7 Answers 7 ...
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Android: combining text & image on a Button or ImageButton

I'm trying to have an image (as the background) on a button and add dynamically, depending on what's happening during run-time, some text above/over the image. ...
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How to center icon and text in a android button with width set to “fill parent”

I want to have an Android Button with icon+text centered inside it. I'm using the drawableLeft attribute to set the image, this works well if the button has a width of "wrap_content" but I need to stretch to max width so I use width "fill_parent" . This moves my icon straight to the left of the b...
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Cross-browser custom styling for file upload button [duplicate]

I'm trying to style a file upload button to my personal preferences, but I couldn't find any really solid ways to do this without JS. I did find two other questions about this subject, but the answers there either involved JavaScript, or suggested Quirksmode's approach . ...
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“hello, world” 起源及其他 - 创意 - 清泛网 - 专注C/C++及内核技术

“hello, world” 起源及其他学过编程语言的人都笑了,程序员心目中,hello world是一切的开始,程序语言教科书的第一个演示程序、WordPress的第一篇示例文章(我的hello world)、环境搭建成功后的第一个测试… 问题的提出 相传...
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由“Pure Virtual Function Called” 考虑到的 - C/C++ - 清泛网 - 专注C/C++及内核技术

...novtable属性),debug编译出来的exe,派生类对象的析构,析构基类部分的时候,对象的虚函数表指针值项会被修改成基类的虚函数表地址,然后再执行基类的析构函数体。 其中高亮的那一行是修改对象的虚函数表指针值为基...
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字符串指针变量与字符数组的区别 - C/C++ - 清泛网 - 专注C/C++及内核技术

...>> pc //错误    cout<<pc //正确 (5)值的改变   程序执行期间,字符数组名表示的起始地址是不能改变的,而指针变量的值是可以改变的。 例如: str=str+5; //错误    pc=str+5; //正确 小结 字符数组s[100] 指针...