There is no need to craft a custom SQL query in order to achieve this. Since version 4.1, WordPress’s query classes have supported complex/nested meta queries. So you can craft a query like this: $args[‘meta_query’] = array( // Use an OR relationship between the query in this array and the one in // the next … Read more
When i explored the WordPress core for this answer i found that get_permalink() function internally calls get_page_link() function for getting permalink of page and it calls get_post_permalink() function to get permalink of post. Therefore either you use get_permalink() function or get_page_link() function, you will get same result. The difference between these two is get_page_link() function … Read more
I think you meant something like “*” (star) as a wildcard for example: “a*b” => everything that starts with “a” and ends with “b” “a*” => everything that starts with “a” “*b” => everything that ends with “b” “*a*” => everything that has an “a” in it “*a*b*”=> everything that has an “a” in it, … Read more
The information is available in sys.float_info, which corresponds to float.h in C99.
You can just check if the variable has a truthy value or not. That means will evaluate to true if value is not: null undefined NaN empty string (“”) 0 false The above list represents all possible falsy values in ECMA-/Javascript. Find it in the specification at the ToBoolean section. Furthermore, if you do not know whether a variable exists (that means, if it was declared) you should check with the typeof operator. For instance … Read more
I work with a lot of calculation code written in c++ with high-performance and low memory overhead in mind. It uses STL containers (mostly std::vector) a lot, and iterates over that containers almost in every single function. The iterating code looks like this: But it produces the signed/unsigned mismatch warning (C4018 in Visual Studio). Replacing … Read more
The a == b expression invokes A.__eq__, since it exists. Its code includes self.value == other. Since int’s don’t know how to compare themselves to B’s, Python tries invoking B.__eq__ to see if it knows how to compare itself to an int. If you amend your code to show what values are being compared: it will print:
Tuples are compared position by position: the first item of the first tuple is compared to the first item of the second tuple; if they are not equal (i.e. the first is greater or smaller than the second) then that’s the result of the comparison, else the second item is considered, then the third and … Read more
I’m trying to compare two chars to see if one is greater than the other. To see if they were equal, I used strcmp. Is there anything similar to strcmp that I can use?
They are not equivalent. The first will execute the block following the if statement if myVar is truthy (i.e. evaluates to true in a conditional), while the second will execute the block if myVar is any value other than null. The only values that are not truthy in JavaScript are the following (a.k.a. falsy values): null undefined 0 “” (the empty string) false NaN