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verticalgrain / gf-email-validate.php
Created May 28, 2015 18:19
Email validation in Gravity Forms - validate an email address entered in a regular text input
* Hooks for validating an email address in Gravity Forms
* When using a plain text input to collect an email, this will validate that the email address entered is a proper email address
* Useful for situations in which the existing gravity forms email field can't be used
* Change line 28 and line 37 to adapt this to your form
* @package d7
jboner / latency.txt
Last active June 12, 2024 14:31
Latency Numbers Every Programmer Should Know
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