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问题 I am a developer of ROS projects. Recently I am trying using ROS(melodic) on WSL2(Windows Subsystem for Linux), and all things works just great. But I got some trouble when I want to use another PC which also in the same local area network(LAN) to communicate with. Before setting the environment variables like "ROS_MASTER_URI, ROS_IP", I know that since WSL 2 work on Hyper-V so the IP show on WSL2 is not the one in the real LAN. I have to do some command like below in order to make everyone

问题 I am a developer of ROS projects. Recently I am trying using ROS(melodic) on WSL2(Windows Subsystem for Linux), and all things works just great. But I got some trouble when I want to use another PC which also in the same local area network(LAN) to communicate with. Before setting the environment variables like "ROS_MASTER_URI, ROS_IP", I know that since WSL 2 work on Hyper-V so the IP show on WSL2 is not the one in the real LAN. I have to do some command like below in order to make everyone

问题 I am a developer of ROS projects. Recently I am trying using ROS(melodic) on WSL2(Windows Subsystem for Linux), and all things works just great. But I got some trouble when I want to use another PC which also in the same local area network(LAN) to communicate with. Before setting the environment variables like "ROS_MASTER_URI, ROS_IP", I know that since WSL 2 work on Hyper-V so the IP show on WSL2 is not the one in the real LAN. I have to do some command like below in order to make everyone

问题 I just wrote a simple python demo,while met a confusing problem. import requests print(requests.get('http://www.sina.com.cn/')) I know that right result is return Response [200].But in my WIN10 x64,it returns the following error,I guess maybe some problems occur in my computer. Traceback (most recent call last): File "C:\Users\CJY\Desktop\Python_Demo\web.py", line 2, in <module> print(requests.get('http://www.sina.com.cn/')) File "D:\python3.6.1\lib\site-packages\requests\api.py", line 72, in

问题 Currently working on a little app that allows users to view a database stored on Heroku, however I am running into the aforementioned issue when using the database's URL: ".herokuapp.com/api/". var client = createHttpClient(); var response = await client.read('<example>.herokuapp.com/api/<data>'); List data = JSON.decode(response); Heroku doesn't seem to use HTTP(S) nor www, the latter of which I believe to be the issue. Does anyone know how I can bypass or resolve this issue? 回答1: I know

问题 Currently working on a little app that allows users to view a database stored on Heroku, however I am running into the aforementioned issue when using the database's URL: ".herokuapp.com/api/". var client = createHttpClient(); var response = await client.read('<example>.herokuapp.com/api/<data>'); List data = JSON.decode(response); Heroku doesn't seem to use HTTP(S) nor www, the latter of which I believe to be the issue. Does anyone know how I can bypass or resolve this issue? 回答1: I know

问题 Closed. This question needs debugging details. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 2 days ago . Improve this question I have just put my symfony application into production by copying the sources to the FTP. I am using performance shared hosting from Nuxit. I correctly configured my .htaccess and switched my environment from development to production. I emptied the cache. I have 2 .htaccess files

问题 I have a program in which I attempt to attach my android device to a webcam via USB. I'm having trouble with a few things, namely properly transferring data. I've tried using bulkTransfer and there seems to be no recognition of it being used. I've been trying to find examples that may assist me such as here but none are helping me - their structure seems to be better than mine but whenever I switch my program crashes on load. I'm fairly confident my bytes declaration is also incorrect and I

问题 I have a program in which I attempt to attach my android device to a webcam via USB. I'm having trouble with a few things, namely properly transferring data. I've tried using bulkTransfer and there seems to be no recognition of it being used. I've been trying to find examples that may assist me such as here but none are helping me - their structure seems to be better than mine but whenever I switch my program crashes on load. I'm fairly confident my bytes declaration is also incorrect and I

问题 i'm trying to install fastlane for my ios app but when i'm trying to install RVM, i'm facing issues. My command is gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113************* 7D2BAF1CF37B13E2069D69561************* 回答1: Please use hkp://ipv4.pool.sks-keyservers.net instead of hkp://keys.gnupg.net type this command gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys 409B6B1796C275462A1703113************* 7D2BAF1CF37B13E2069D69561************* 回答2: TL;DR;