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PHP memory profiling
...01-29) which can be used in Qcachegrind or similar tool. Just make sure to select the memory option :)
From the docs:
Since Xdebug 2.6, the profiler also collects information about how much memory is being used, and which functions aGnd methods increased memory usage.
I'm not familiar with th...
How to unset max-height?
...ty of the element, overriding any other valid max-height properties in CSS selection rules that match that element.
An example:
styles.css
.set-max-height { max-height: 50px; }
main.js
document.querySelectorAll('.set-max-height').forEach($el => {
if($el.hasAttribute('data-hidden')){
$...
How do I change the highlight style in Vim spellcheck?
...o :set spell in my Vim, I get spelling errors highlighted as if they are selected text. What I want is an MS-Word like underlining of spelling errors. I tried to lookup :help spell but could not find a clue. Any help is appreciated.
...
Android: alternate layout xml for landscape mode
...clicking on the button in the visual editor shown in the screenshot below. Select "Create Landscape Variation"
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ActiveRecord: size vs count
... don't know what you are doing, use size...
count
Resolves to sending a Select count(*)... query to the DB. The way to go if you don't need the data, but just the count.
Example: count of new messages, total elements when only a page is going to be displayed, etc.
length
Loads the required dat...
How can I determine the type of an HTML element in JavaScript?
...eof HTMLInputElement) {} // <input>
elseif (e instanceof HTMLSelectElement) {} // <select>
elseif (e instanceof HTMLTextAreaElement) {} // <textarea>
elseif ( ... ) {} // any interface
Look here for a complete list of interfaces.
...
What is stability in sorting algorithms and why is it important?
...Sort
Gnome Sort
Odd–even Sort
Unstable Sorting Algorithms:
Heap sort
Selection sort
Shell sort
Quick sort
Introsort (subject to Quicksort)
Tree sort
Cycle sort
Smoothsort
Tournament sort(subject to Hesapsort)
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When to use ' (or quote) in Lisp?
...WITH-STRING (LENGTH STRING))
Hey! That's not what we wanted. We want to selectively evaluate some arguments, and leave the others as symbols. Try #2!
(defun mess-with (number string)
(list 'value-of-number (1+ number) 'something-with-string (length string)))
Lisp> (mess-with 20 "foo")
(VAL...
How do I clear a search box with an 'x' in bootstrap 3?
...button) in other browsers, such as Firefox, so Firefox users could instead select the text and press delete, or...
If you really need this nice-to-have feature supported in Firefox, then you could implement one of the other solutions posted here as a polyfill for input[type=search] elements. A poly...
Why aren't my breakpoints working?
...e Xcode Debugging preferences.
Make sure that "Load Symbols lazily" is NOT selected.
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