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Type of conditional expression cannot be determined because there is no implicit conversion between
...h this because (int?)5 and null are both implicitly convertible to int? (§6.1.4 and §6.1.5).
The other way is obviously:
int? number = true ? 5 : (int?)null;
but now we have to read a different clause in the spec to understand why this is okay:
If x has type X and y has type Y then
If an implic...
What is the maximum size of a web browser's cookie's key?
...its section is largely unchanged (see: tools.ietf.org/html/rfc6265#section-6.1), but RFC 6265 is now the canonical source.
– Jim OHalloran
Jan 20 '18 at 4:53
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What's an elegant way to conditionally add a class to an HTML element in a view?
...
class_names (Rails 6.1+)
Rails 6.1 introduces a class_names view helper
to make it easier to conditionally apply class names
in views.
Before:
<div class="<%= item.for_sale? ? 'active' : '' %>">
After:
<div class="<%= class_n...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...表中的对应项,造成链路中断(NAT超时的更多描述见附录6.1)。NAT超时是影响TCP连接寿命的一个重要因素(尤其是国内),所以客户端自动测算NAT超时时间,来动态调整心跳间隔,是一个重要的优化点。
2、DHCP的租期(lease time)
...
How to check SQL Server version
...) 1988-2008 Microsoft Corporation Express
Edition (64-bit) on Windows NT 6.1 <X64> (Build 7600: )
Method 2: Connect to the server by using Object Explorer in SQL Server Management Studio. After Object Explorer is connected, it will show the version information in parentheses, together with...
Mac版AxureRP_PRO7.0.0.3173 带注册码完美简体中文破解版 - 软件下载 - 清...
Mac版AxureRP_PRO7.0.0.3173 带注册码完美简体中文破解版AxureRP MacAxure RP 为一款办公自动化帮助工具,可以帮你快速地制作线框图,流程图,定义和创建HTML模板及MS WORD文件格式等。Axure RP 功能包括 Axure RP 为一款办公自动化帮助工具...
微软推出Win10物联网版 新系统要“无处不在” - 资讯 - 清泛网 - 专注C/C++及内核技术
微软推出Win10物联网版 新系统要“无处不在”今年3月,微软就发布了Win 10的物联网版本,意在使和其他版本一起渗透到人们的生活和工作中,成为真正无处不在的操作系统。
今年3月,微软就发布了Win 10的物联网版本,意在使...
Fastest way to iterate over all the chars in a String
...00.5 1370.9 17.3 14.4 15.0 26.9 26.4
16 charAt 6.1 6.5 73.4 857.0 8.4 8.2 8.3 13.6 13.5
32 charAt 3.9 3.7 54.8 428.9 5.0 4.9 4.7 7.0 7.2
64 charAt 2.7 2.6 48.2 232.9 3.0 ...
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