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Why do I need 'b' to encode a string with Base64?
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base64 encoding takes 8-bit binary byte data and encodes it uses only the characters A-Z, a-z, 0-9, +, /* so it can be transmitted over channels that do not preserve all 8-bits of data, such as email.
Hence, it wants a string of 8-bit bytes. You create those in Python ...
Why do we need Abstract factory design pattern?
...tract Factory has been accepted as the solution.
To the best of my understanding, these questions represent real concerns or problems that people had, so that should get you started with some real-life examples:
Is there a pattern for initializing objects created via a DI container
Can't combine ...
SVG Positioning
I'm having a play with SVG and am having a few problems with positioning. I have a series of shapes which are contained in the g group tag. I was hoping to use it like a container, so I could set its x position and then all the elements in that group would also move. But that doesn't seem to be po...
Groovy: what's the purpose of “def” in “def x = 0”?
...the "def" keyword puts the variable in the bindings for the current script and groovy treats it (mostly) like a globally scoped variable:
x = 1
assert x == 1
assert this.binding.getVariable("x") == 1
Using the def keyword instead does not put the variable in the scripts bindings:
def y = 2
asse...
How to catch integer(0)?
.... True, but I don't think there's much of a performance issue either way, and length(x) == 0L reads more clearly to me.
– Richie Cotton
Jun 24 '11 at 10:04
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Using Jasmine to spy on a function without an object
I'm new to Jasmine and have just started using it. I have a library js file with lots of functions which are not associated with any object (i.e. are global). How do I go about spying on these functions?
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What is your preferred style for naming variables in R? [closed]
Which conventions for naming variables and functions do you favor in R code?
9 Answers
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How do I pass extra arguments to a Python decorator?
...ator
The outer function will be given any arguments you pass explicitly, and should return the inner function. The inner function will be passed the function to decorate, and return the modified function.
Usually you want the decorator to change the function behavior by wrapping it in a wrapper f...
Is there a built in function for string natural sort?
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Natsort is a great library, should be added to python standard library! :-)
– Mitch McMabers
Oct 24 '19 at 5:03
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How do I prevent node.js from crashing? try-catch doesn't work
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Note that uncaughtException is a very crude mechanism for exception handling and may be removed in the future
PM2
First of all, I would highly recommend installing PM2 for Node.js. PM2 is really great at handling crash and monitoring Node apps as well as load balancing. PM2 immediately star...