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Can Selenium Webdriver open browser windows silently in background?
...t install Xvfb:
sudo apt-get install xvfb
then install PyVirtualDisplay from Pypi:
pip install pyvirtualdisplay
Sample Selenium script in Python in a headless mode with PyVirtualDisplay:
#!/usr/bin/env python
from pyvirtualdisplay import Display
from selenium import webdriver
...
python date of the previous month
...
from datetime import date, timedelta
first_day_of_current_month = date.today().replace(day=1)
last_day_of_previous_month = first_day_of_current_month - timedelta(days=1)
print "Previous month:", last_day_of_previous_month.m...
How to run Rake tasks from within Rake tasks?
...you'd rather stick to rake's idioms, here are your possibilities, compiled from past answers:
This always executes the task, but it doesn't execute its dependencies:
Rake::Task["build"].execute
This one executes the dependencies, but it only executes the task if
it has not already been invoked:...
Mongoose and multiple database in single node.js project
...h projects. So, install mongoose in that subfolders and require() mongoose from own folders in each sub applications. Not from the project root or from global. So one sub project, one mongoose installation and one mongoose instance.
-app_root/
--foo_app/
---db_access.js
---foo_db_connect.js
---node...
How can I convert a std::string to int?
...
In C++11 there are some nice new convert functions from std::string to a number type.
So instead of
atoi( str.c_str() )
you can use
std::stoi( str )
where str is your number as std::string.
There are version for all flavours of numbers:
long stol(string), float stof(...
Is “Java Concurrency In Practice” still valid? [closed]
...
Yes, it's still valid in my mind. There isn't big change in this area from 6 to 7. Fork-join is a new feature, which is very suitable for divide-and-conquer type of problems. But all the existing stuff inside the book, such as synchronization, volatile, servlet, are still very valid.
...
NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
...
I've been using a solution from that issue report for months now and all of the sudden after updating to the latest support libraries and sdk 23 I've started getting this new report on crashlytics: java.lang.NoClassDefFoundError: android.support.v7.int...
“Parse Error : There is a problem parsing the package” while installing Android application
... Hi, I am facing a similar problem. I am downloading the application from a web link. It sits on the mobile SDCard perfectly. But when I am trying to install it is showing this error. I didn't sign my application, basically I am a newbie to Android app development. Help of any sort is apprecia...
Does Haskell require a garbage collector?
...
In this case, a simplistic escape analysis would conclude that x2 escapes from f (because it is returned in the tuple), and hence x2 must be allocated on the garbage-collected heap. Region inference, on the other hand, is able to detect that x2 can be deallocated when g returns; the idea here is th...
What is a sensible way to layout a Go project [closed]
... # test source
Update July 2014: see "Structuring Applications in Go" from Ben Johnson
That article include tips like:
Separate your binary from your application
combining the main.go file and my application logic in the same package has two consequences:
It makes my application u...