command-line-interface

问题 I am running latest version of Mac OS and I want to run android emulator through command line tool. I have run the following command on Mac terminal and got the following error. $ emulator -list-avds Pixel_XL_API_28 $ emulator -avd Pixel_XL_API_28 PANIC: Missing emulator engine program for 'x86' CPU. I also run the command with available options like below that is also available on official documentation developer.android.com $ /Users/janedoe/Library/Android/sdk/emulator/emulator -avd Pixel

问题 I'm making a ListBox in urwid where each item is a URL pulled from a list of URLs. When an item is selected and ENTER is clicked, I'd like to pull the URL and open it in the browser. Here's my code so far: class SelectableText(urwid.Text): def selectable(self): return True def keypress(self, size, key): return key def handle_input(input): if input == "": # Open link focus_widget, idx = content_container.get_focus() # TODO: Open link from focus_widget elif input in ('q', 'Q'): # Quit raise

问题 I'm trying to figure out the most simple way to digitally sign a string of hex values using a private key also represented by a string of hex values. I'm open to command line, or a script, but preferably using openssl cli. Example: string to sign: 1333183ddf384da83ed49296136c70d206ad2b19331bf25d390e69b222165e37 private key: a675c86089e0622c112379906f5cf19ee336575af1bfa1de558051312db9afdc Hoping there is a command like: $ openssl sign -msg

问题 I'm trying to write a helper script for doing various admin tasks on a server which can only be done from the command line and trying to use the 'dialog' command to display message boxes, inputs, password prompts etc, however, the needs of this task call for me to process the data in PHP. I'm having problems getting the dialog command to work in this way and can't figure out what i'm doing wrong. There's an example here Unfortunately it doesn't work. When you run PHP and exec/backtick/system

问题 I am having an issue with this makefile. I cannot figure out how to build the object files from their coresponding sources. Every obj gets built with the main source, instead of its one. TARGET = af_optional SOURCES := $(wildcard src/*.cpp) OBJECTS := $(patsubst src/%.cpp,obj/%.o,$(SOURCES)) DEPENDS := $(patsubst src/%.cpp,obj/%.d,$(SOURCES)) CXXFLAGS = -g -I. # ADD MORE WARNINGS! WARNING := -Wall -Wextra # .PHONY means these rules get executed even if # files of those names exist. .PHONY:

问题 I am having an issue with this makefile. I cannot figure out how to build the object files from their coresponding sources. Every obj gets built with the main source, instead of its one. TARGET = af_optional SOURCES := $(wildcard src/*.cpp) OBJECTS := $(patsubst src/%.cpp,obj/%.o,$(SOURCES)) DEPENDS := $(patsubst src/%.cpp,obj/%.d,$(SOURCES)) CXXFLAGS = -g -I. # ADD MORE WARNINGS! WARNING := -Wall -Wextra # .PHONY means these rules get executed even if # files of those names exist. .PHONY:

问题 I messed up my ~/.bashrc file and am trying to restore it. I tried doing this: cp ~/.bashrc ~/.bashrc_bak cp /etc/skel/.bashrc ~/ source .bashrc but I get this error: cp: /etc/skel/.bashrc: No such file or directory I looked in /etc but there's no skel file there. I'm a complete beginner. Thanks for your help. 回答1: Type the following in your terminal, /bin/cp /etc/skel/.bashrc ~/ It will replace your corrupt ~/.bashrc with a fresh one. After that you need to source the ~/.bashrc so that the

问题 I am newbie in all this stuff. Hope for your understanding. Let me clarify the issue: I am trying to start react native app through expo cli. So tried to start npm install expo-cli --global to install npm globally. I got this errors: Screen Screen_2 It also says that I lack permissions to access it. How can I allow permissions? Even when I try to start it locally I got the same issue. Your help is appreciated. Thanks:) 回答1: although this solution is not the best and the safest solution exists

问题 I am newbie in all this stuff. Hope for your understanding. Let me clarify the issue: I am trying to start react native app through expo cli. So tried to start npm install expo-cli --global to install npm globally. I got this errors: Screen Screen_2 It also says that I lack permissions to access it. How can I allow permissions? Even when I try to start it locally I got the same issue. Your help is appreciated. Thanks:) 回答1: although this solution is not the best and the safest solution exists

问题 I am trying to test the raising of exceptions by a command implemented with the Click package. This is my command: @click.option( '--bucket_name', ...) @click.option( '--group_id', ...) @click.option( '--artifact_id', ...) @click.option( '--version', ...) @click.option( '--artifact_dir', required=False, default='downloads/artifacts/', ...) @click.command() def download_artifacts( bucket_name, group_id, artifact_id, version, artifact_dir ): logger.info( f"bucket_name: {bucket_name}, " f"group