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从 !important 到关于叹号的 !一切 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...的人当然不只我一个,stackoverflow 上有个人也提了类似的问题:“为什么 CSS 和 C-based (的)语言中叹号的涵义相反?”他还问道:“除了 CSS,还有什么语言是用叹号表达肯定而非否定的呢?”(随后有人提醒他,自然语言就是...
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快速开发CSS的利器LESS 系列教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...标签样式当中,但是如果出现在多个地方,就很容易出现问题,在书写的时候就会变得很麻烦。为了便于这个操作,我们可以将一个样式放在另一个样式当中。如: .text-overflow { display:block;/*内联对象需加*/ word-break:keep-...
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Pass entire form as data in jQuery Ajax function

..."); var fd = new FormData(myform ); $.ajax({ url: "example.php", data: fd, cache: false, processData: false, contentType: false, type: 'POST', success: function (dataofconfirm) { // do something with the result } ...
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Nginx reverse proxy causing 504 Gateway Timeout

...nd it had to do with not using a keep-alive on the connection. I can't actually answer why this is but, in clearing the connection header I solved this issue and the request was proxied just fine: server { location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header ...
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NSIS学习笔记(持续更新) - C/C++ - 清泛网 - 专注C/C++及内核技术

...code\Plugins" echo off Q 桌面快捷方式,示例 在section "install"中添加下面的代码,新建shortcut CreateShortcut "$DESKTOP\${APPNAME}.lnk" "$INSTDIR\${APPEXENAME}" 在section "uninstall"中添加下面的代码,删除shortcut delete "$DESKTOP\${APPNAME}.lnk" Q 关...
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MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

...) 通过点击菜单来测试软件的语言切换。 6. MessageBox的问题 由于MessageBox中的按钮的语言是跟操作系统相关的,要想实现MessageBox按钮的多语言化是很有一定难度的。我现在还没有查到好的解决方法,很多网友的建议是抛弃Messa...
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User recognition without cookies or local storage

...ople are so security-aware that it would be difficult to get people to install these kinds of programs on their system. This leaves you stuck with using Cookies and other, similar tools. Cookies and other, similar tools You might consider building a Data Profile, then using Probability tests to id...
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30岁之后,程序员该向什么方向发展? - 杂谈 - 清泛网 - 专注C/C++及内核技术

...,脑袋没有那么灵光,没有那么有冲劲了,这也是个人的问题。如果你自己不努力,到多少岁都一样。 以前也有人问我二十几岁再开始编程晚不晚,我的回答是,不晚,什么时候都不晚。 QA&2. 您个人或身边有这样的实例吗?...
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Splitting string into multiple rows in Oracle

...ct 108 Name, 'test' Project, 'Err1, Err2, Err3' Error from dual union all select 109, 'test2', 'Err1' from dual ) select distinct t.name, t.project, trim(regexp_substr(t.error, '[^,]+', 1, levels.column_value)) as error from temp t, table(cast(multiset(select level from dual conne...
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理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...d. One could write something like this to get around this: 这里有两个问题。一是可能忘记关闭文件句柄;二是文件读取数据发生异常,没有进行任何处理。下面是处理异常的加强版本: file = open("/tmp/foo.txt") try: data = file.read() finally: ...