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MFC RadioButton用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
... pParent = NULL); // 标准构造函数
// 对话框数据
enum { IDD = IDD_RADIOBUTTONINSTANCE_DIALOG };
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
// 实现
protected:
HICON m_hIcon;
// 生成的消息映射函数
...
Path.Combine absolute with relative path strings
..."C:\blah\",@"..\bling"))
C:\bling
(I agree Path.Combine ought to do this by itself)
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How to convert std::string to LPCWSTR in C++ (Unicode)
...p; s)
{
int len;
int slength = (int)s.length() + 1;
len = MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, 0, 0);
wchar_t* buf = new wchar_t[len];
MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, buf, len);
std::wstring r(buf);
delete[] buf;
return r;
}
std::wst...
Are static class instances unique to a request or a server in ASP.NET?
... application pool is recycled, and therefore everything that is referenced by the static instance, will not be GC'ed. This can lead to memory usage problems.
If you need an instance with the same lifetime as a request, I would suggest to use the HttpContext.Current.Items collection. This is by desi...
Rails.env vs RAILS_ENV
...lass gives
you a prettier way to test for
equality. The value returned by
Rails.env is wrapped in a
StringInquirer object so instead of
calling this:
Rails.env == "production"
you can call this:
Rails.env.production?
So they aren't exactly equivalent, but they're fairly close....
Heroku Postgres - terminate hung query (idle in transaction)
...gresql. Assuming that's not desirable or not an option ...)
Find the PID by running this sql:
SELECT pid , query, * from pg_stat_activity
WHERE state != 'idle' ORDER BY xact_start;
(The query may need mending dependent of the version of postgres - eventually, just select * from pg_stat_activi...
What ports does RabbitMQ use?
...h other and the port mapper daemon for clustering to work.
PORT 35197
set by inet_dist_listen_min/max Firewalls must permit traffic in this range to pass between clustered nodes
RabbitMQ Management console:
PORT 15672 for RabbitMQ version 3.x
PORT 55672 for RabbitMQ pre 3.x
PORT 5672 RabbitMQ ...
ng-options with simple array init
... a value. (i.e. AngularJS will translate '0' back to 'var1')
The solution by Epokk also works, however if you're loading data asynchronously you might find it doesn't always update correctly. Using ngOptions will correctly refresh when the scope changes.
...
CSS Selector that applies to elements with two classes
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
How can I make Array.Contains case-insensitive on a string array?
...se))
{}
array.Contains() is a LINQ extension method and therefore works by standard only with .NET 3.5 or higher, needing:
using System;
using System.Linq;
But: in .NET 2.0 the simple Contains() method (without taking case insensitivity into account) is at least possible like this, with a cast:
...