What do you want to save?
Add Code snippet
New code examples
-
C++ 2021-09-02 17:09:01
variadic templates
template<class... Args> void Foo(Agrs*... arguments); template<class... Args> class A; /* Variadic templates can be used to allow a multitude of variations of a class or function to be compiled without having to explicitly state what the req... Add solution -
Javascript 2021-09-01 03:16:02
filter object javascript es6
// use filter() function. Let say we have array of object. let arr = [ {name: "John", age: 30}, {name: "Grin", age: 10}, {name: "Marie", age: 50}, ]; //Now I want an array in which person having age more than 40 is not ... Add solution -
R 2021-08-31 22:48:02
r dataframe column factor
mtcars #look at this built in data set str(mtcars) #allows you to see the classes of the variables (all numeric) #one approach it to index with the $ sign and the as.factor function mtcars$am <- as.factor(mtcars$am) #another approach mtcars[, 'cyl'] ... Add solution -
Javascript 2021-08-31 17:48:02
prototype
/* Answer to: "javascript prototype explained" */ /* The prototype object is special type of enumerable object to which additional properties can be attached to it which will be shared across all the instances of it's constructor function... Add solution -
Other 2021-08-31 10:28:01
aws lambda function arguments
The runtime passes three arguments to the handler method. The first argument is the event object, which contains information from the invoker. The invoker passes this information as a JSON-formatted string when it calls Invoke, and the runtime converts ... Add solution -
Javascript 2021-08-30 17:41:01
apply css media query using js
function myFunction(x) { if (x.matches) { // If media query matches document.body.style.backgroundColor = "yellow"; } else { document.body.style.backgroundColor = "pink"; } } var x = window.matchMedia("(max-width: 7... Add solution -
Shell/Bash 2021-08-29 20:42:02
bash use cat in sed command
# Basic syntax: sed 's/<search_text>/'"`cat replacement.txt`"'/' your_file # Where: # - The replacement.txt file contains a single line that will be used # to replace the search_text, where found in your_file. # Note, this isn't very use... Add solution -
Other 2021-08-28 19:33:02
Create a function called randomRange that takes a range myMin and myMax and returns a random number that's greater than or equal to myMin, and is less than or equal to myMax, inclusive.
// Example function ourFunction(ourMin, ourMax) { return Math.floor(Math.random() * (ourMax - ourMin + 1)) + ourMin; } ourFunction(1, 9); // Only change code below this line. function randomRange(myMin, myMax) { return Math.floor(Math.random() * ... Add solution -
Javascript 2021-08-27 12:13:03
associative array add new key and value js
params = {}; params['someWord'] = someVal; var params = {someWord: "someVal", two: "2"}; //There is no "associative array" in JavaScript, but Objects are commonly used as a substitute and provide similar functionality. Add solution