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How do I install an old version of Django on virtualenv?
This may sound like a stupid question, since the very purpose of virtualenv is to this exactly: Installing some specific version of a package (in this case Django) inside the virtual environment. But it's exactly what I want to do, and I can't figure it out.
...
What's the difference between process.cwd() vs __dirname?
...h module.
Let me explain with example,
suppose we have a main.js file resides inside C:/Project/main.js
and running node main.js both these values return same file
or simply with following folder structure
Project
├── main.js
└──lib
└── script.js
main.js
console.log(proc...
Why is the standard session lifetime 24 minutes (1440 seconds)?
...tially written by Boris Erdmann and Kristian Koehntopp from NetUSE AG, provided sessions via PHP3 code.
Session lifetimes were defined in minutes, not seconds. And the default lifetime was 1440 minutes, or exactly one day. Here's that line of code from PHPLIB:
var $gc_time = 1440; ## Pu...
What is mattr_accessor in a Rails module?
...or generates getter/setter methods for instances, cattr/mattr_accessor provide getter/setter methods at the class or module level. Thus:
module Config
mattr_accessor :hostname
mattr_accessor :admin_email
end
is short for:
module Config
def self.hostname
@hostname
end
def self.host...
What exactly is Python multiprocessing Module's .join() Method Doing?
...iprocessing docs as it should be, but it is mentioned in the Programming Guidelines section:
Remember also that non-daemonic processes will be automatically be
joined.
You can override this behavior by setting the daemon flag on the Process to True prior to starting the process:
p = Process...
How can I run a directive after the dom has finished rendering?
... 4. The $evalAsync queue is used to schedule work which needs to occur outside of current stack frame, but before the browser's view render. This is usually done with setTimeout(0), but the setTimeout(0) approach suffers from slowness and may cause view flickering since the browser renders the view ...
How do I negate a test with regular expressions in a bash script?
...
Oye vey! Just when I safely sidestep the intergalactic special character madness of perl, I find myself lost in bash space (placement)! (I feel fear squeezing my gut like a python.) Thanks!
– David Rogers
Dec 28 '10...
Is optimisation level -O3 dangerous in g++?
...ptimisation level of -O3 in g++ is somehow 'dangerous', and should be avoided in general unless proven to be necessary.
5...
Selenium WebDriver: Wait for complex page with JavaScript to load
...u can do, but every single one of them has a problem:
As Ashwin Prabhu said, if you know the script well, you can observe its behaviour and track some of its variables on window or document etc. This solution, however, is not for everyone and can be used only by you and only on a limited set of pa...
How can I check whether a numpy array is empty or not?
... This is great for numpy, but is unfortunate that it is considered unpythonic for lists. Check out discussion for lists: stackoverflow.com/questions/53513/… It would be nice to use same pattern for numpy arrays and lists.
– eric
Jul 28 '19 at...