All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.
Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.
elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent
| ּ_בּ | |
| בּ_בּ | |
| טּ_טּ | |
| כּ‗כּ | |
| לּ_לּ | |
| מּ_מּ | |
| סּ_סּ | |
| תּ_תּ | |
| ٩(×̯×)۶ | |
| ٩(̾●̮̮̃̾•̃̾)۶ |
Copyright © 2016-2018 Fantasyland Institute of Learning. All rights reserved.
A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.
val square : Int => Int = x => x * x
| ----- Esc ----- | |
| Quick change directory: Esc + c | |
| Quick change directory history: Esc + c and then Esc + h | |
| Quick change directory previous entry: Esc + c and then Esc + p | |
| Command line history: Esc + h | |
| Command line previous command: Esc + p | |
| View change: Esc + t (each time you do this shortcut a new directory view will appear) | |
| Print current working directory in command line: Esc + a | |
| Switch between background command line and MC: Ctrl + o | |
| Search/Go to directory in active panel: Esc + s / Ctrl + s then start typing directory name |
| # put this in your .bash_profile | |
| if [ $ITERM_SESSION_ID ]; then | |
| export PROMPT_COMMAND='echo -ne "\033];${PWD##*/}\007"; ':"$PROMPT_COMMAND"; | |
| fi | |
| # Piece-by-Piece Explanation: | |
| # the if condition makes sure we only screw with $PROMPT_COMMAND if we're in an iTerm environment | |
| # iTerm happens to give each session a unique $ITERM_SESSION_ID we can use, $ITERM_PROFILE is an option too | |
| # the $PROMPT_COMMAND environment variable is executed every time a command is run | |
| # see: ss64.com/bash/syntax-prompt.html |
At DICOM Grid, we recently made the decision to use Haskell for some of our newer projects, mostly small, independent web services. This isn't the first time I've had the opportunity to use Haskell at work - I had previously used Haskell to write tools to automate some processes like generation of documentation for TypeScript code - but this is the first time we will be deploying Haskell code into production.
Over the past few months, I have been working on two Haskell services:
I will write here mostly about the first project, since it is a self-contained project which provides a good example of the power of Haskell. Moreover, the proces
| /** | |
| * Part Zero : 10:15 Saturday Night | |
| * | |
| * (In which we will see how to let the type system help you handle failure)... | |
| * | |
| * First let's define a domain. (All the following requires scala 2.9.x and scalaz 6.0) | |
| */ | |
| import scalaz._ | |
| import Scalaz._ |
Using Python's built-in defaultdict we can easily define a tree data structure:
def tree(): return defaultdict(tree)That's it!
One of my favorite past times is to look at the notebooks of famous scientists. Da Vinci's notebook is well known, but there plenty others. Worshipping Da Vinci like no other, I bought a Think/Create/Record journal, used it mostly to keep jot down random thoughts and take notes. This was great in the beginning, but the conformity of lines drove me nuts. Only moleskines made blank notebooks, so I had to buy one.
At the same time I started a freelance project. The project itself is irrelevant, but suffice to say it was very complex and spanned several months. It seemed like a perfect opportunity to use the moleskine. Looking back, all my entries fell under few categories:
These use separate document structures instead of HTML, some are more modular libraries than full editors