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sprintf like functionality in Python
I would like to create a string buffer to do lots of processing, format and finally write the buffer in a text file using a C-style sprintf functionality in Python. Because of conditional statements, I can’t write them directly to the file.
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Trying to embed newline in a variable in bash [duplicate]
...ine in the source code
p="${var1}
${var2}"
echo "${p}"
Using $'\n' (only bash and zsh)
p="${var1}"$'\n'"${var2}"
echo "${p}"
Details
1. Inserting \n
p="${var1}\n${var2}"
echo -e "${p}"
echo -e interprets the two characters "\n" as a new line.
var="a b c"
first_loop=true
for i in $var
do
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How to get a random number between a float range?
...start, stop) only takes integer arguments. So how would I get a random number between two float values?
4 Answers
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What does the `#` operator mean in Scala?
I see this code in this blog: Type-Level Programming in Scala :
4 Answers
4
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Generic deep diff between two objects
I have two objects: oldObj and newObj .
20 Answers
20
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What is “lifting” in Scala?
...lifting has something to do with functional values or something like that, but I was not able to find a text that explains what lifting actually is about in a beginner friendly way.
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Is there a difference between copy initialization and direct initialization?
... C++17, the meaning of A_factory_func() changed from creating a temporary object (C++<=14) to just specifying the initialization of whatever object this expression is initialized to (loosely speaking) in C++17. These objects (called "result objects") are the variables created by a declaration (li...
How to sort an array by a date property
Say I have an array of a few objects:
17 Answers
17
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How to split a long regular expression into multiple lines in JavaScript?
...o keep each line length 80 characters according to JSLint rules. It's just better for reading, I think.
Here's pattern sample:
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How to remove a key from Hash and get the remaining hash in Ruby/Rails?
... version of this.
class Hash
# Returns a hash that includes everything but the given keys.
# hash = { a: true, b: false, c: nil}
# hash.except(:c) # => { a: true, b: false}
# hash # => { a: true, b: false, c: nil}
#
# This is useful for limiting a set of parameters to every...