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How to display HTML tags as plain text [duplicate]
I have an input form on my website where HTML is allowed and I'm trying to add instructions about the use of HTML tags. I'd like the text to
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Setting environment variables on OS X
... extensive research and if you want to set variables that are available in all GUI applications, your only option is /etc/launchd.conf.
Please note that environment.plist does not work for applications launched via Spotlight. This is documented by Steve Sexton here.
Open a terminal prompt
Type su...
Rails 3 check if attribute changed
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Check out ActiveModel::Dirty (available on all models by default). The documentation is really good, but it lets you do things such as:
@user.street1_changed? # => true/false
share
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What does the explicit keyword mean?
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The compiler is allowed to make one implicit conversion to resolve the parameters to a function. What this means is that the compiler can use constructors callable with a single parameter to convert from one type to another in order to get t...
dynamic_cast and static_cast in C++
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Here's a rundown on static_cast<> and dynamic_cast<> specifically as they pertain to pointers. This is just a 101-level rundown, it does not cover all the intricacies.
static_cast< Type* >(ptr)
This takes the pointer in ptr and tries to safely cast it to a pointer of type Type...
download file using an ajax request
...n as your site.
You could always make the AJAX request/window.location a fallback by using some JavaScript to test if download is supported and if not, switching it to call window.location.
Original answer
You can't have an AJAX request open the download prompt since you physically have to naviga...
How can I change the image displayed in a UIImageView programmatically?
...n I look at the UIImageView doc, I can't see any hints about programmatically changing it. Do I have to fetch an UIImage object from that UIImageView ?
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How do I assign an alias to a function name in C++?
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Note: there is no way to make an alias to overloaded function such that all its overloaded versions work, so you should always specify which exact function overload you want.
With C++14 you can go even further with constexpr template variables. That allows you to alias templated functions:
templ...
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...
解决xrdp登陆不上的问题：xrdp session: Login failed for display 0 - 操...
...决xrdp登陆不上的问题：xrdp session: Login failed for display 0xrdp_Login_failed_for_display_0Xrdp登陆不上报错如下：原因及解决方法：1、网上大部分内容说是用户名密码不对导致，的确密码不对会报这个错误，但是有些时候当你确认用户名密...