What’s the difference between concat and uglify and minify?

Concatenation is just appending all of the static files into one large file. Minification is just removing unnecesary whitespace and redundant / optional tokens like curlys and semicolons, and can be reversed by using a linter. Uglification is the act of transforming the code into an “unreadable” form, that is, renaming variables/functions to hide the … Read more

Reversing a List in Prolog

Your solution explained: If we reverse the empty list, we obtain the empty list. If we reverse the list [H|T] , we end up with the list obtained by reversing T and concatenating with [H] . To see that the recursive clause is correct, consider the list [a,b,c,d] . If we reverse the tail of … Read more

Getting current date and time in JavaScript

.getMonth() returns a zero-based number so to get the correct month you need to add 1, so calling .getMonth() in may will return 4 and not 5. So in your code we can use currentdate.getMonth()+1 to output the correct value. In addition: .getDate() returns the day of the month <- this is the one you want .getDay() is a separate method of the Date object which will return … Read more

Android TextView : “Do not concatenate text displayed with setText”

Resource has the get overloaded version of getString which takes a varargs of type Object: getString(int, java.lang.Object…). If you setup correctly your string in strings.xml, with the correct place holders, you can use this version to retrieve the formatted version of your final String. E.g. using getString(R.string.welcome_message, “Test”, 0); android will return a String with … Read more

How do I concatenate const/literal strings in C?

In C, “strings” are just plain char arrays. Therefore, you can’t directly concatenate them with other “strings”. You can use the strcat function, which appends the string pointed to by src to the end of the string pointed to by dest: Here is an example from cplusplus.com: For the first parameter, you need to provide the destination buffer itself. The destination buffer must … Read more