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开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...用单线程架构。Mosquitto 支持 MQTT 协议的 5.0、3.1.1 和 3.1 版本，同时支持 SSL/TLS 和 WebSockets。轻量级设计使其适合部署在嵌入式设备或资源有限的服务器上。优点：易于安装使用支持 MQTT 5.0 协议轻量高效积极的社区支持
缺点：可...
How do I close a connection early?
...e-follow-ups to the one above:
Connection Handling user-note #89177 (Feb 2009)
Connection Handling user-note #93441 (Sep 2009)
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Fetch the row which has the Max value for a column
...le (usr char(1), dt date);
SQL> insert into mytable values ('A','01-JAN-2009');
SQL> insert into mytable values ('B','01-JAN-2009');
SQL> insert into mytable values ('A', '31-DEC-2008');
SQL> insert into mytable values ('B', '31-DEC-2008');
SQL> select usr, dt from mytable
2 where ...
Calculate the number of business days between two dates?
... I take the freedom to edit this answer since the answerer is absent since 2009.
The code above assumes that DayOfWeek.Sunday has the value 7 which is not the case. The value is actually 0. It leads to a wrong calculation if for example firstDay and lastDay are both the same Sunday. The method retu...
What Are Some Good .NET Profilers?
...rofiler 3.1 and ANTS Memory Profiler 5.1 (current versions as of September 2009). I tried the JetBrains one a year or two ago and it wasn't as good as ANTS (for memory profiling) so I haven't bothered this time. From reading the web sites it looks like it doesn't have the same memory profiling featu...
What does [STAThread] do?
...e CLR level, see this MSDN Magazine article from June 2004 (Archived, Apr. 2009).
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GCM with PHP (Google Cloud Messaging)
... this technique to tell cURL what certificate to expect: unitstep.net/blog/2009/05/05/… or force cURL to use the latest cacert.pem from the cURL website using something like this: gist.github.com/gboudreau/5206966
– Guillaume Boudreau
Mar 20 '13 at 18:04
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Cross-browser multi-line text overflow with ellipsis appended within a fixed width and height
...cks
Oh, and if you look for design inspirations:
smashingmagazine.com/2009/07/designing-read-more-and-continue-reading-links/, from 2009 though...
Dribbble probably has interesting designs...I could not find a way to gather them though (via search or tags), feel free to share a relevant link
...
How to calculate age (in years) based on Date of Birth and getDate()
...e in full years
declare @as_of datetime, @bday datetime;
select @as_of = '2009/10/15', @bday = '1980/4/20'
select
Convert(Char(8),@as_of,112),
Convert(Char(8),@bday,112),
0 + Convert(Char(8),@as_of,112) - Convert(Char(8),@bday,112),
(0 + Convert(Char(8),@as_of,112) - Convert(Char...
How to get highcharts dates in the x axis?
...m: Two digit month number, 01 through 12.
%y: Two digits year, like 09 for 2009.
%Y: Four digits year, like 2009.
%H: Two digits hours in 24h format, 00 through 23.
%I: Two digits hours in 12h format, 00 through 11.
%l (Lower case L): Hours in 12h format, 1 through 11.
%M: Two digits minutes, 00 thr...