chat_app | Chat App is a messaging app | Socket library
kandi X-RAY | chat_app Summary
kandi X-RAY | chat_app Summary
Chat App is a messaging app built with Flutter and Node.js using Socket.io and Express.js.
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QUESTION
There is no such error shown in the Python output shell.
What I want is that , the first page should be the Login page or as here, the "ConnectingPage" then Welcome Should Be shown, and then at last a Set of buttons named from 0 to 99 be shown.
Here is the code :
...ANSWER
Answered 2021-Apr-26 at 17:47Your __init__() method of the SomeApp class starts an App running with the lines:
QUESTION
I am getting following error while executing my mysql query via a .sql script, but couldn't tell what is causing this error.
I am using mysql Ver 8.0.23 for macos10.15 on x86_64 (MySQL Community Server - GPL)
Error :
ERROR 1064 (42000) at line 1: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '/Users/shivamshekhar/Documents/Others/chat-app-backend/scripts/mysql/db.sql' at line 1
.sql file
...ANSWER
Answered 2021-Mar-29 at 10:57The syntax is INT UNSIGNED, not UNSIGNED INT. In addition, NOT NULL is redundant on a PRIMARY KEY. So try this:
QUESTION
I have been trying to create a requirements.txt file from the Pycharm terminal but it is adding all unnecessary packages as well. What should I do to show only used packages? Thanks, requirements.txt:
...aiohttp==3.7.3 aioredis==1.3.1 alabaster==0.7.12 anaconda-client==1.7.2 anaconda-navigator==1.9.12 anaconda-project==0.8.3 appdirs==1.4.4 appnope==0.1.0 argh==0.26.2 asgiref==3.3.1 asn1crypto==1.3.0 astroid==2.4.2 astropy==4.0.1.post1 async-timeout==3.0.1 atomicwrites==1.4.0 attrs==19.1.0 autobahn==21.2.1 Automat==20.2.0 autopep8 @ file:///tmp/build/80754af9/autopep8_1592412889138/work Babel==2.8.0 backcall==0.1.0 backports.functools-lru-cache==1.6.1 backports.shutil-get-terminal-size==1.0.0 backports.tempfile==1.0 backports.weakref==1.0.post1 bcrypt==3.1.7 beautifulsoup4==4.9.1 bitarray @ file:///C:/ci/bitarray_1594751092677/work bkcharts==0.2 bleach==3.1.0 bokeh @ file:///C:/ci/bokeh_1593183652752/work boto==2.49.0 Bottleneck==1.3.2 brotlipy==0.7.0 bs4==0.0.1 certifi==2020.6.20 cffi==1.13.1 channels==3.0.3 channels-redis==3.2.0 chardet==3.0.4 cheroot==8.5.2 Click==7.0 cloudpickle @ file:///tmp/build/80754af9/cloudpickle_1594141588948/work clyent==1.2.2 colorama==0.4.4 comtypes==1.1.7 conda==4.8.3 conda-build==3.18.11 conda-package-handling==1.7.0 conda-verify==3.4.2 constantly==15.1.0 contextlib2==0.6.0.post1 cryptography==3.4.6 cycler==0.10.0 Cython @ file:///C:/ci/cython_1594830140812/work cytoolz==0.10.1 daphne==3.0.1 dask @ file:///tmp/build/80754af9/dask-core_1594156306305/work decorator==4.4.0 defusedxml==0.6.0 diff-match-patch @ file:///tmp/build/80754af9/diff-match-patch_1594828741838/work distlib==0.3.1 distributed @ file:///C:/ci/distributed_1594747837674/work dj-database-url==0.5.0 dj-rest-auth==2.1.3 Django==3.1.5 django-admin-honeypot==1.1.0 django-allauth==0.44.0 django-bootstrap4==0.0.5 django-channels==0.7.0 django-crispy-forms==1.11.0 django-defender==0.8.0 django-heroku==0.3.1 django-honeypot==0.9.0 django-tastypie==0.14.3 djangorestframework==3.12.2 dnspython==1.15.0 docutils==0.16 entrypoints==0.3 et-xmlfile==1.0.1 Faker==0.8.13 fastcache==1.1.0 filelock==3.0.12 flake8==3.7.8 Flask==0.12.4 Flask-Bcrypt==0.7.1 Flask-Cors==3.0.3 Flask-JWT-Extended==3.7.0 Flask-Login==0.4.0 fsspec==0.7.4 future==0.18.2 gevent @ file:///C:/ci/gevent_1593010772244/work glob2==0.7 gmpy2==2.0.8 greenlet==0.4.16 gunicorn==20.0.4 h5py==2.10.0 HeapDict==1.0.1 hiredis==1.1.0 html5lib @ file:///tmp/build/80754af9/html5lib_1593446221756/work hyperlink==21.0.0 idna @ file:///tmp/build/80754af9/idna_1593446292537/work imageio @ file:///tmp/build/80754af9/imageio_1594161405741/work imagesize==1.2.0 importlib-metadata==0.23 incremental==17.5.0 intervaltree @ file:///tmp/build/80754af9/intervaltree_1594361675072/work ipykernel==5.1.3 ipython==7.8.0 ipython-genutils==0.2.0 ipywidgets==7.5.1 isort==5.7.0 itsdangerous==1.1.0 jaraco.functools==3.1.0 jdcal==1.4.1 jedi==0.15.1 Jinja2==2.10.3 joblib @ file:///tmp/build/80754af9/joblib_1594236160679/work json5==0.9.5 jsonschema==3.1.1 jupyter==1.0.0 jupyter-client==5.3.1 jupyter-console==6.0.0 jupyter-core==4.4.0 jupyterlab==2.1.5 jupyterlab-server @ file:///tmp/build/80754af9/jupyterlab_server_1594164409481/work keyring @ file:///C:/ci/keyring_1593109210108/work kiwisolver==1.2.0 lazy-object-proxy==1.4.3 libarchive-c==2.9 llvmlite==0.32.1 locket==0.2.0 lxml @ file:///C:/ci/lxml_1594826940903/work MarkupSafe==1.1.1 matplotlib @ file:///C:/ci/matplotlib-base_1592844891112/work mccabe==0.6.1 menuinst==1.4.16 mistune==0.8.4 mkl-fft==1.1.0 mkl-random==1.1.1 mkl-service==2.3.0 mock==4.0.2 more-itertools==7.2.0 mpmath==1.1.0 msgpack==1.0.0 multidict==5.0.2 multipledispatch==0.6.0 navigator-updater==0.2.1 nbconvert==5.6.0 nbformat==4.4.0 networkx @ file:///tmp/build/80754af9/networkx_1594377231366/work nltk @ file:///tmp/build/80754af9/nltk_1592496090529/work node==0.9.25 nose==1.3.7 notebook==6.0.1 numba==0.49.1 numexpr==2.7.1 numpy==1.18.5 numpydoc @ file:///tmp/build/80754af9/numpydoc_1594166760263/work oauthlib==3.1.0 odict==1.7.0 olefile==0.46 openpyxl @ file:///tmp/build/80754af9/openpyxl_1594167385094/work packaging==20.4 pandas @ file:///C:/ci/pandas_1592841744841/work pandocfilters==1.4.2 paramiko==2.7.1 parso==0.5.1 partd==1.1.0 path==13.1.0 pathlib2==2.3.5 pathtools==0.1.2 patsy==0.5.1 pep8==1.7.1 pexpect==4.7.0 pickleshare==0.7.5 Pillow @ file:///C:/ci/pillow_1594304973959/work pipenv==2020.11.15 pkginfo==1.5.0.1 pluggy==0.6.0 plumber==1.6 ply==3.11 prometheus-client==0.7.1 prompt-toolkit==2.0.10 psutil==5.7.0 psycopg2==2.8.6 ptyprocess==0.6.0 py==1.8.0 pyasn1==0.4.8 pyasn1-modules==0.2.8 pycodestyle==2.5.0 pycosat==0.6.3 pycparser==2.19 pycurl==7.43.0.5 pydocstyle @ file:///tmp/build/80754af9/pydocstyle_1592848020240/work pyflakes==2.1.1 pygame==2.0.1 Pygments==2.4.2 PyHamcrest==2.0.2 PyJWT==1.7.1 pylint==2.6.0 pymongo==3.7.2 PyNaCl @ file:///C:/ci/pynacl_1595009196976/work pyodbc===4.0.0-unsupported pyOpenSSL @ file:///tmp/build/80754af9/pyopenssl_1594392929924/work pyparsing==2.4.7 PyQt5==5.15.2 PyQt5-sip==12.8.1 pyreadline==2.1 pyrsistent==0.15.4 PySocks==1.7.1 pytest==3.3.0 pytest-flask==0.11.0 python-dateutil==2.8.0 python-decouple==3.4 python-jsonrpc-server @ file:///tmp/build/80754af9/python-jsonrpc-server_1594397536060/work python-language-server @ file:///C:/ci/python-language-server_1594154480810/work python-mimeparse==1.6.0 python3-openid==3.2.0 pytz==2020.1 PyWavelets==1.1.1 pywin32==227 pywin32-ctypes==0.2.0 pywinpty==0.5.7 PyYAML==5.3.1 pyzmq @ file:///C:/Users/Rashidov/Desktop/mflix-python/pyzmq-22.0.3-cp38-cp38-win32.whl QDarkStyle==2.8.1 QtAwesome==0.7.2 qtconsole==4.5.5 QtPy==1.9.0 redis==3.5.3 regex @ file:///C:/ci/regex_1593435678736/work requests @ file:///tmp/build/80754af9/requests_1592841827918/work requests-oauthlib==1.3.0 rope==0.17.0 Rtree==0.9.4 ruamel-yaml==0.15.87 scikit-image==0.16.2 scikit-learn @ file:///C:/ci/scikit-learn_1592863447244/work scipy @ file:///C:/ci/scipy_1592916961137/work seaborn==0.10.1 selenium==3.141.0 Send2Trash==1.5.0 service-identity==18.1.0 simplegeneric==0.8.1 simplejson==3.17.2 singledispatch==3.4.0.3 sip==4.19.13 six==1.12.0 snowballstemmer==2.0.0 sortedcollections==1.2.1 sortedcontainers==2.2.2 soupsieve==2.0.1 Sphinx @ file:///tmp/build/80754af9/sphinx_1594223420021/work sphinxcontrib-applehelp==1.0.2 sphinxcontrib-devhelp==1.0.2 sphinxcontrib-htmlhelp==1.0.3 sphinxcontrib-jsmath==1.0.1 sphinxcontrib-qthelp==1.0.3 sphinxcontrib-serializinghtml==1.1.4 sphinxcontrib-websupport @ file:///tmp/build/80754af9/sphinxcontrib-websupport_1593446360927/work spyder @ file:///C:/ci/spyder_1594820234642/work spyder-kernels @ file:///C:/ci/spyder-kernels_1594744028846/work SQLAlchemy @ file:///C:/ci/sqlalchemy_1593446777599/work sqlparse==0.4.1 statsmodels==0.11.1 sympy @ file:///C:/ci/sympy_1594234724630/work tables==3.6.1 tblib==1.6.0 telepot==12.7 terminado==0.8.3 testpath==0.4.2 text-unidecode==1.2 textblob==0.15.3 threadpoolctl @ file:///tmp/tmp9twdgx9k/threadpoolctl-2.1.0-py3-none-any.whl toml==0.10.2 toolz==0.10.0 tornado==6.0.3 tqdm @ file:///tmp/build/80754af9/tqdm_1593446365756/work traitlets==4.3.3 Twisted @ file:///C:/Users/Rashidov/Desktop/chat_app/Twisted-20.3.0-cp38-cp38-win32.whl txaio==21.2.1 typing-extensions @ file:///tmp/build/80754af9/typing_extensions_1592847887441/work ujson==1.35 unicodecsv==0.14.1 urllib3==1.25.9 virtualenv==20.3.0 virtualenv-clone==0.5.4 watchdog @ file:///C:/ci/watchdog_1593447396356/work wcwidth==0.1.7 web.py==0.62 webencodings==0.5.1 Werkzeug==0.16.0 whitenoise==5.2.0 widgetsnbextension==3.5.1 win-inet-pton==1.1.0 win-unicode-console==0.5 wincertstore==0.2 wrapt==1.12.1 xlrd==1.2.0 XlsxWriter==1.2.9 xlwings==0.19.5 xlwt==1.3.0 xmltodict==0.12.0 yapf @ file:///tmp/build/80754af9/yapf_1593528177422/work yarl==1.6.3 zict==2.0.0 zipp==0.6.0 zope.component==4.6.2 zope.deferredimport==4.3.1 zope.deprecation==4.4.0 zope.event==4.4 zope.hookable==5.0.1 zope.interface==4.7.1 zope.lifecycleevent==4.3 zope.proxy==4.3.5
ANSWER
Answered 2021-Mar-17 at 23:14Check out this Snakefood
Especially the command sfood-imports which finds and lists import statements in python project
So it is not depended on your env but rather on the code that you wrote
QUESTION
I am using psql not pgadmin for interacting with sequelize, so while running sequelize db:migrate error shows ERROR: Error reading "config/database.js". Error: TypeError: Cannot read property 'USER' of undefined .
I think there is problem in my config file as i am just starting out,below is my config file :-
ANSWER
Answered 2021-Jan-21 at 16:10I have found the solution, it was in config/database.js DB_HOST was not correctly defined.Also,remember to check tables when you do seqeulize db:migrate.
QUESTION
I am using image_picker 0.6.7+17 library in order to take an image using the phone camera.
I am using an android device and not an ios device.
It seems like that getImage method is not defined, I took this exact code from the docs:
ANSWER
Answered 2020-Dec-21 at 21:50Are you sure the ImagePicker you are using is not the one from this package:chat_app/pickers/image_picker.dart ? Maybe there is a class name conflict and you must rename your own ImagePicker class
QUESTION
I am trying to implement a chat page for my app.
I am using react and django channels. I am having a problem with rendering the message on Websocket.onmessage Here's the code that gives me the error
...ANSWER
Answered 2020-Nov-11 at 18:42you need to bind addMessage function in constructor with ‘this’ parameter. So, your function has the context of the class.
QUESTION
I am trying to submit flutter app to Appstore. Here are the steps I followed:
Deleted all certificates and provisioning profiles
Create/Add IOS Distribution Certificate
Create IOS Provisioning Profile
Add IOS Provisioning Profile
Clean App
Build Then Run App
Set Codesigning and Provisioning Profile In Build Settings
Lots of Googling > to no successes
Basically, facing the error of "errSecInternalComponent"
Here is the error I get:
...ANSWER
Answered 2020-Jun-29 at 20:24You are having an issue with a certificate, that's why you get this warning. You need to generate a new one.
Try this: xcode -> preferences -> accounts -> select the account -> manage certificate -> click on the (+) icon in the bottom left side of the popup window -> ios development
QUESTION
I am trying to add create option menu to my activity, however the android-studio sent me this error
Unresolved reference: chat_app_menu
Here is my code in Kotlin
ANSWER
Answered 2020-Aug-03 at 04:47Use your com.example.chat_app.R instead of android.R
QUESTION
I am writing chat application using Node.Js and Cassandra. At backend after calling function saveDataToCassandra it is returning back before saving data to Cassandra. Is it Cassandra issue or Javascript issue? My app.js snippet is:
ANSWER
Answered 2019-Dec-12 at 13:25I guess the way you have structured your code is not write. You are calling a callback style function in foreach loop and when you are calling your method, you are not waiting. If you extract the execute method like this
QUESTION
I'm learn sentdex tutorial about Kivy framework. In this chapter https://www.youtube.com/watch?v=hsnch676Lco&list=PLQVvvaa0QuDfwnDTZWw8H3hN_VRQfq8rF&index=4 he finishing chat app and it works, but I try his code and I've got an error.
Server-socket :
...ANSWER
Answered 2019-Aug-01 at 14:53import kivy
from kivy.app import App
from kivy.uix.label import Label
from kivy.uix.gridlayout import GridLayout
from kivy.uix.textinput import TextInput
from kivy.uix.button import Button
from kivy.uix.screenmanager import ScreenManager, Screen
from kivy.clock import Clock
from kivy.core.window import Window
from kivy.uix.scrollview import ScrollView
import socket_client
import os
import sys
kivy.require("1.10.1")
class ScrollableLabel(ScrollView):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.layout = GridLayout(cols=1, size_hint_y=None)
self.add_widget(self.layout)
self.chat_history = Label()
self.scroll_to_point = Label()
self.layout.add_widget(self.chat_history)
self.layout.add_widget(self.scroll_to_point)
def update_chat_history(self, message):
self.chat_history.text += '\n' + message
self.layout.height = self.chat_history.texture_size[1] + 15
self.chat_history.height = self.chat_history.texture_size[1]
self.scroll_to(self.scroll_to_point)
class ConnectPage(GridLayout):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.cols = 2
if os.path.isfile("prev_details.txt"):
with open("prev_details.txt", "r") as f:
d = f.read().split(",")
prev_ip = d[0]
prev_port = d[1]
prev_username = d[2]
else:
prev_ip = ""
prev_port = ""
prev_username = ""
self.add_widget(Label(text="IP: "))
self.ip = TextInput(text=prev_ip, multiline=False)
self.add_widget(self.ip)
self.add_widget(Label(text="Port: "))
self.port = TextInput(text=prev_port, multiline=False)
self.add_widget(self.port)
self.add_widget(Label(text="Username: "))
self.username = TextInput(text=prev_username, multiline=False)
self.add_widget(self.username)
self.join = Button(text="Join")
self.join.bind(on_press=self.join_button)
self.add_widget(Label())
self.add_widget(self.join)
def join_button(self, instance):
port = self.port.text
ip = self.ip.text
username = self.username.text
with open("prev_details.txt", "w") as f:
f.write(f"{ip},{port},{username}")
info = f"Attempting to join {ip} : {port} as {username}"
chat_app.info_page.update_info(info)
chat_app.screen_manager.current = "Info"
Clock.schedule_once(self.connect, 1)
def connect(self, _):
port = int(self.port.text)
ip = self.ip.text
username = self.username.text
if not socket_client.connect(ip, port, username, show_error):
return
chat_app.create_chat_page()
chat_app.screen_manager.current = "Chat"
class InfoPage(GridLayout):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.cols = 1
self.message = Label(halign="center", valign="middle", font_size=30)
self.message.bind(width=self.update_text_width)
self.add_widget(self.message)
def update_info(self, message):
self.message.text = message
def update_text_width(self, *_):
self.message.text_size = (self.message.width*0.9, None)
class ChatPage(GridLayout):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.cols = 1
self.rows = 2
self.history = ScrollableLabel(height=Window.size[1]*0.9, size_hint_y=None)
self.add_widget(self.history)
self.new_message = TextInput(width=Window.size[0]*0.8, size_hint_x=None, multiline=False)
self.send = Button(text="Send")
self.send.bind(on_press=self.send_message)
bottom_line = GridLayout(cols=2)
bottom_line.add_widget(self.new_message)
bottom_line.add_widget(self.send)
self.add_widget(bottom_line)
Clock.schedule_once(self.focus_text_input, 1)
socket_client.start_listening(self.incoming_message, show_error)
def ok_key_down(self, instance, keycode, text, modifiers):
if keycode == 40:
self.send_message(None)
def send_message(self, _):
message = self.new_message.text
self.new_message.text = " "
if message:
self.history.update_chat_history(f"[color=dd2020]{chat_app.connect_page.username.text}[/color]> {message}")
socket_client.send(message)
Clock.schedule_once(self.focus_text_input, 0.1)
#self.add_widget(Label(text="Hey at least it worked up to this point"))
def focus_text_input(self, _):
pass
def incoming_message(self, username, message):
self.history.update_chat_history(f"[color=20dd20]{username}[/color] > {message}")
class EpicApp(App):
def build(self):
self.screen_manager = ScreenManager()
self.connect_page = ConnectPage()
screen = Screen(name="Connect")
screen.add_widget(self.connect_page)
self.screen_manager.add_widget(screen)
self.info_page = InfoPage()
screen = Screen(name="Info")
screen.add_widget(self.info_page)
self.screen_manager.add_widget(screen)
return self.screen_manager
def create_chat_page(self):
self.chat_page = ChatPage()
screen = Screen(name="Chat")
screen.add_widget(self.chat_page)
self.screen_manager.add_widget(screen)
def show_error(message):
chat_app.info_page.update_info(message)
chat_app.screen_manager.current = "Info"
Clock.schedule_once(sys.exit, 10)
if __name__ == "__main__":
chat_app = EpicApp()
chat_app.run()
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