$ = function() { alert('I am in the $ function'); } JQuery is a very famous JavaScript library and they have decided to put their entire framework inside a function named jQuery . To make it easier …

When we are dealing with a large code base and/or when we are importing various libraries the chance of naming conflicts increases. When we are writing certain parts of our code which is …

Nov 25, 2014 · The funny percent-sign syntax is how R lets users define their own infix functions. An example of a built-in infix operator in R is +; the + in 1 + 2 actually does the function call …

May 30, 2010 · Line 2 is a plain function, wrapped in parenthesis to tell the runtime to return the function to the parent scope, once it's returned the function is executed using line 4, maybe …

Dec 3, 2008 · Arrow Function Expression (ES2015+) (which, like anonymous function expressions, don't involve an explicit name, and yet can create functions with names) Method …

Feb 12, 2016 · I use this function in my Power Query Editor for COUNTIF but I haven't yet mastered COUNTIFS or SUMIFS: let countif = (tbl as table, col as text, value as any) as …

Use the LEN function to check for null or empty values. You can just use LEN(@SomeVarcharParm) > 0. This will return false if the value is NULL, '', or ' '. This is …

Put everything in one file. Then you only need to call the other function; forget about all imports then. Put the square function in a different file, e. g. foo.py. Then your using function needs to …

Nov 10, 2020 · Your function would return the string specified in If_empty if all the values in Array were "xyz". I.e., the criteria in Include would not evaluate to TRUE for any non-blank value in …

Mar 3, 2015 · Is there a parameter and the "Bunch of code" returns a function? var a = function(x) { return function() { document.write(x); } }(something); Closure. The value of something gets …