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Inefficient jQuery usage warnings in PHPStorm IDE
...n today and was able to find a solution thanks to Scott Kosman here.
Basically the answer is to select IDs individually and then use .find(...) for anything below. So taking your example:
$("#property [data-role='content'] .container");
Changing it to this makes PhpStorm happy and can evidently ...
Vim: How to change the highlight color for search hits and quickfix selection
...o need to :set hlsearch if your search results aren't being highlighted at all.
– Jeff Allen
Jan 23 '15 at 13:56
To do...
Will using goto leak variables?
Is it true that goto jumps across bits of code without calling destructors and things?
1 Answer
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What does a double * (splat) operator do
... the double splat operator which is available since Ruby 2.0.
It captures all keyword arguments (which can also be a simple hash, which was the idiomatic way to emulate keyword arguments before they became part of the Ruby language)
def my_method(**options)
puts options.inspect
end
my_method(ke...
How to get process ID of background process?
...olling terminal. A script will not necessarily have a terminal attached at all so job control will not necessarily be available.
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RSpec: What is the difference between a feature and a request spec?
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The conceptual difference is that you're usually testing a user story, and all interaction should be driven via the user interface. That's where Capybara comes in. A request spec is still testing the behavior of your application and doesn't have the expectation of re...
Benefits of prototypal inheritance over classical?
So I finally stopped dragging my feet all these years and decided to learn JavaScript "properly". One of the most head-scratching elements of the languages design is it's implementation of inheritance. Having experience in Ruby, I was really happy to see closures and dynamic typing; but for the li...
Is there a printf converter to print in binary format?
..._PATTERN"\n",
BYTE_TO_BINARY(m>>8), BYTE_TO_BINARY(m));
You need all the extra quotes unfortunately. This approach has the efficiency risks of macros (don't pass a function as the argument to BYTE_TO_BINARY) but avoids the memory issues and multiple invocations of strcat in some of the oth...
What is a “cache-friendly” code?
...her end of the memory spectrum (DRAM), the memory is very cheap (i.e. literally millions of times cheaper) but takes hundreds of cycles after a request to receive the data. To bridge this gap between super fast and expensive and super slow and cheap are the cache memories, named L1, L2, L3 in decre...
What does dot (.) mean in a struct initializer?
...
This is a C99 feature that allows you to set specific fields of the struct by name in an initializer. Before this, the initializer needed to contain just the values, for all fields, in order -- which still works, of course.
So for the following struc...