CSS transformations create a new stacking context and containing block, as described in the spec. In plain English, this means that fixed position elements with a transformation applied to them will act more like absolutely positioned elements, and z-index values are likely to get screwed with. If you take a look at this demo, you’ll … Read more
I generally use empty. Im not sure why people would use count really – If the array is large then count takes longer/has more overhead. If you simply need to know whether or not the array is empty then use empty.
I decided to build tool like this. First public beta is at https://jsbench.me EDIT: 2020-07-12 – v1 released
Eloquent is Laravel’s implementation of Active Record pattern and it comes with all its strengths and weaknesses. Active Record is a good solution for processing a single entity in CRUD manner – that is, create a new entity with filled properties and then save it to a database, load a record from a database, or … Read more
Why not use index or rindex? array = %w( a b c d e) # get FIRST index of element searched puts array.index(‘a’) # get LAST index of element searched puts array.rindex(‘a’) index: http://www.ruby-doc.org/core-1.9.3/Array.html#method-i-index rindex: http://www.ruby-doc.org/core-1.9.3/Array.html#method-i-rindex
Generally speaking, if the IN list gets too large (for some ill-defined value of ‘too large’ that is usually in the region of 100 or smaller), it becomes more efficient to use a join, creating a temporary table if need so be to hold the numbers. If the numbers are a dense set (no gaps … Read more
Am I wrong in assuming it should be faster and more efficient? I’d hate to go through and change everything in a massive program to find out I wasted my time. Short answer Yes, you are wrong. In most cases, it makes little difference in terms of space used. It is not worth trying to … Read more
Classes should either be designed for inheritance or prohibit it. There is a cost to designing for inheritance: It can pin down your implementation (you have to declare which methods are going to call which other methods, in case a user overrides one but not the other) It reveals your implementation rather than just the … Read more
Complicated question. Let’s see what happens. You instantiate a new instance, which is backed with new array. So, garbage collector should clear all the key and values from the previous map, and clear the reference to itself. So O(n) algorithm is executed anyway, but in the garbage collector thread. For 1000 records you won’t see … Read more
The maximum length of an email address is 254 characters. Every email address is composed of two parts. The local part that comes before the ‘@’ sign, and the domain part that follows it. In “user@example.com”, the local part is “user”, and the domain part is “example.com”. The local part must not exceed 64 characters … Read more