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Defining an array of anonymous objects in CoffeeScript
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28
you can't:
this is some tricks:
items:[
(name:"value1")
(name:"value2")
]
another
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How do I activate C++ 11 in CMake?
...e cmake_minimum_required to require CMake 3.0 or later, or
Set policy CMP0025 to NEW with the following code at the top of your CMakeLists.txt file before the project command:
# Fix behavior of CMAKE_CXX_STANDARD when targeting macOS.
if (POLICY CMP0025)
cmake_policy(SET CMP0025 NEW)
endif ()
...
Function for Factorial in Python
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192
Easiest way is to use math.factorial (available in Python 2.6 and above):
import math
math.fact...
What is the difference between map and flatMap and a good use case for each?
... into a single RDD of results.
rdd.flatMap(_.split(" ")).collect
res2: Array[String] = Array("Roses", "are", "red", "Violets", "are", "blue")
We have multiple words per line, and multiple lines, but we end up with a single output array of words
Just to illustrate that, flatMapping from a c...
Small Haskell program compiled with GHC into huge binary
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2 Answers
2
Active
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Javascript reduce() on Object
...plementation with that in mind:
const add = {
a: {value:1},
b: {value:2},
c: {value:3}
}
const total = Object.values(add).reduce((t, {value}) => t + value, 0)
console.log(total) // 6
or simply:
const add = {
a: 1,
b: 2,
c: 3
}
const total = Object.values(add).reduce((t, n) =>...
How to debug Apache mod_rewrite
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284
One trick is to turn on the rewrite log. To turn it on,try these lines in your apache main con...
Best way of returning a random boolean value
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245
A declarative snippet using Array#sample:
random_boolean = [true, false].sample
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redirect COPY of stdout to log file from within bash script itself
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297
#!/usr/bin/env bash
# Redirect stdout ( > ) into a named pipe ( >() ) running "tee"
exe...
How do I trim a file extension from a String in Java?
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290
This is the sort of code that we shouldn't be doing ourselves. Use libraries for the mundane s...