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How to find an available port?
... case: In my case I needed to find a free port number to hand it into some API (say an embedded Jetty starter, for tests) - the respective API wants a socket number - not an already opened server socket. So it depends.
– vorburger
Sep 14 '12 at 11:44
...
Height of status bar in Android [duplicate]
... the 25px value is not correct for all mdpi devices. It can vary based on API level. For example, the 10.1 WXGA tablet emulator device reports 25px at API 16 & 19, but 24px at API 24.
– jk7
Jul 26 '17 at 20:33
...
What exactly is a Context in Java? [duplicate]
...ate of other classes, state of the current environment, etcetera.
In some API's you see this name back in an interface/class, e.g. Servlet's ServletContext, JSF's FacesContext, Spring's ApplicationContext, Android's Context, JNDI's InitialContext, etc. They all often follow the Facade Pattern which...
When to use window.opener / window.parent / window.top
...be found here:
window.opener
https://developer.mozilla.org/en-US/docs/Web/API/Window.opener
I've used window.opener mostly when opening a new window that acted as a dialog which required user input, and needed to pass information back to the main window. However this is restricted by origin polic...
How to trigger an event after using event.preventDefault()
...Instead of digging through the back-end form post code, you could write an API and then update your front-end code to hit that API first before allowing the form to do it's traditional POST.
To do that, you can implement code similar to what I've written here:
$('#signup_form').on('submit', funct...
Server polling with AngularJS
... The process for stopping a $timeout is explained here docs.angularjs.org/api/ng.$timeout. Basically, the $timeout function returns a promise which you need to assign to a variable. Then listen for when that controller gets destroyed: $scope.$on('destroy', fn());. In the callback function cal...
How to send an email with Python?
...y objects or sending plain/HTML multipart messages) are accomplished very rapidly.
# Import smtplib for the actual sending function
import smtplib
# Import the email modules we'll need
from email.mime.text import MIMEText
# Open a plain text file for reading. For this example, assume that
# the ...
Is it possible to simulate key press events programmatically?
...ty concept.
As for plugins such as Adobe Flash - which are based on the NPAPI-, and permit bypassing the sandbox: these are phasing-out ; Firefox.
Detailed Explanation:
You cannot and you must not for security reasons (as Pekka already pointed out). You will always require a user interaction in b...
Insert code into the page context using a content script
...e page context (in your case it's the state() method).
Note in case chrome API is needed:
Since chrome.* APIs can't be used in the exposed page script directly, you have to use them in the content script and communicate to the exposed page script via a special DOM CustomEvent handler, example one an...
How to get the IP address of the docker host from inside a docker container
...l
In my docker-compose.yml file, I have this:
version: '3'
services:
api:
build: ./api
volumes:
- ./api:/usr/src/app:ro
ports:
- "8000"
environment:
- MONGO_SERVER
command: /usr/local/bin/gunicorn -c /usr/src/app/gunicorn_config.py -w 1 -b :8000 wsgi
...