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What is the overhead of creating a new HttpClient per call in a WebAPI client?

...I client? Is it better to have one instance of the HttpClient for multiple calls? 7 Answers ...
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使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网

...6 所示。有多种不同的机制可以实现此目的。 可以使用其地址或索引来连接设备。 还有一些块来指示连接是否成功。 获取连接设备属性 - 图 7 中的块提供了有关连接设备的一些基本信息,包括设备名称、地址和信号强度...
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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)

...pdate in case of MySQL replication enabled Try to connect MySQL server on IP for which MySQL server is bind in 'my.cnfinstead oflocalhost or 127.0.0.1`. share | improve this answer | ...
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Why does Internet Explorer not send HTTP post body on Ajax call after failure?

... Are there other ways to fix this problem? Any javascript fix? I tried looking at the various XMLHTTP objects and they still didn't fix the issue. – Berlin Brown Dec 5 '11 at 22:08 ...
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Django Server Error: port is already in use

... ps aux | grep -i manage after that you will see all process ubuntu@ip-10-154-22-113:~/django-apps/projectname$ ps aux | grep -i manage ubuntu 3439 0.0 2.3 40228 14064 pts/0 T 06:47 0:00 python manage.py runserver project name ubuntu 3440 1.4 9.7 200996 59324 pts/0 Tl ...
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Can I change the root EBS device of my amazon EC2 instance?

... Thanks, this is great. One gotcha is that the DNS/IP can change when this happens, so make sure to update any DNS / Elastic IPs, et cetera. I spent a while trying to figure out why I couldn't ssh into it anymore, and this was the reason. – mrooney ...
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Windows batch: sleep [duplicate]

How do I get a Windows batch script to wait a few seconds? 12 Answers 12 ...
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How do I find out my MySQL URL, host, port and username?

... How can I get ip address ? I mean for above example there is 'DELL' hostname and can I get ip address instead of name ? – Ozan Jan 25 '16 at 7:59 ...
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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?

...4 20:16:11.099441 updated_at: 2009-05-26 22:46:29.501245 current_login_ip: 127.0.0.1 id: "1" current_login_at: 2009-05-24 20:20:46.627254 login_count: "1" last_login_ip: last_login_at: login: admin attributes_cache: {} => nil >> If you want to just preview some string ...
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The required anti-forgery form field “__RequestVerificationToken” is not present Error in user Regis

I am using Membership.create user function, then the following error is occurring, 19 Answers ...