postgres – comparing two arrays
figured it … there’s an && operator http://www.postgresql.org/docs/current/static/functions-array.html “&& overlap (have elements in common) ARRAY[1,4,3] && ARRAY[2,1]”
arrays
Convert bytearray to bytes-like object
As Coldspeed put it in the comments, just pass a bytearray to a bytes call: bytes(my_ba)
JavaScript built in methods how to skip the first iteration? [duplicate]
You could use Array#slice for a copy without the first element. let arr = [1, 2, 3, 4, 5]; arr.slice(1).forEach(function(value) { console.log(value); });
PostgreSQL PL/pgSQL random value from array of values
Try this one: select (array[‘Yes’, ‘No’, ‘Maybe’])[floor(random() * 3 + 1)];
Casting pointer to Array (int* to int[2]) – Casting and assigning to an array from a pointer? [duplicate]
First of all b is an array, not a pointer, so it is not assignable. Also, you cannot cast anything to an array type. You can, however, cast to pointer-to-array. Note that in C and C++ pointer-to-arrays are rather uncommon. It is almost always better to use plain pointers, or pointer-to-pointers and avoid pointer-to-arrays. Anyway, … Read more
Difference between JSON object and JSON array
When you are working with JSON data in Android, you would use JSONArray to parse JSON which starts with the array brackets. Arrays in JSON are used to organize a collection of related items (Which could be JSON objects). For example: [{“name”:”item 1″},{“name”: “item2”} ] On the other hand, you would use JSONObject when dealing … Read more