Function | Shortcut |
---|---|
New Tab | ⌘ + T |
Close Tab or Window | ⌘ + W (same as many mac apps) |
Go to Tab | ⌘ + Number Key (ie: ⌘2 is 2nd tab) |
Go to Split Pane by Direction | ⌘ + Option + Arrow Key |
Cycle iTerm Windows | ⌘ + backtick (true of all mac apps and works with desktops/mission control) |
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Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
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
Every so often I have to restore my gpg keys and I'm never sure how best to do it. So, I've spent some time playing around with the various ways to export/import (backup/restore) keys.
cp ~/.gnupg/pubring.gpg /path/to/backups/
cp ~/.gnupg/secring.gpg /path/to/backups/
cp ~/.gnupg/trustdb.gpg /path/to/backups/
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Here is a list of scopes to use in Sublime Text 2 snippets - | |
ActionScript: source.actionscript.2 | |
AppleScript: source.applescript | |
ASP: source.asp | |
Batch FIle: source.dosbatch | |
C#: source.cs | |
C++: source.c++ | |
Clojure: source.clojure | |
CoffeeScript: source.coffee |
- Related Setup: https://gist.github.com/hofmannsven/6814278
- Related Pro Tips: https://ochronus.com/git-tips-from-the-trenches/
- Interactive Beginners Tutorial: http://try.github.io/
- Git Cheatsheet by GitHub: https://services.github.com/on-demand/downloads/github-git-cheat-sheet/
Press minus + shift + s
and return
to chop/fold long lines!
A collection of links to the "Master the JavaScript Interview" series of medium stories by Eric Elliott.
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Secure sessions are easy, but not very well documented. | |
Here's a recipe for secure sessions in Node.js when NginX is used as an SSL proxy: | |
The desired configuration for using NginX as an SSL proxy is to offload SSL processing | |
and to put a hardened web server in front of your Node.js application, like: | |
[NODE.JS APP] <- HTTP -> [NginX] <- HTTPS -> [PUBLIC INTERNET] <-> [CLIENT] | |
Edit for express 4.X and >: Express no longer uses Connect as its middleware framework, it implements its own now. |
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<?php | |
/* | |
* dl-file.php | |
* | |
* Protect uploaded files with login. | |
* | |
* @link http://wordpress.stackexchange.com/questions/37144/protect-wordpress-uploads-if-user-is-not-logged-in | |
* | |
* @author hakre <http://hakre.wordpress.com/> | |
* @license GPL-3.0+ |
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