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Lucian Enache lucianenache

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lucianenache / enzyme_render_diffs.md
Created November 5, 2019 14:14 — forked from fokusferit/enzyme_render_diffs.md
Difference between Shallow, Mount and render of Enzyme

Shallow

Real unit test (isolation, no children render)

Simple shallow

Calls:

  • constructor
  • render
@lucianenache
lucianenache / latency.txt
Created January 31, 2017 19:44 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers
--------------------------
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
@lucianenache
lucianenache / gist:60a0b82f02facebfecf76fe5bb52314a
Created October 12, 2016 14:22 — forked from manjuraj/gist:8c767ac4d6814be2813e
collect vs map, filter vs flatMap
// The collect method takes a PartialFunction as argument and maps the
// values defined for this partial function over it, skipping those
// outside the definition domain.
// Given a partial function pf, the following code:
//
// val pf: PartialFunction[A, B] =
// coll.collect(pf)
//
// is roughly equivalent to
@lucianenache
lucianenache / TestMultipartFileUpload.scala
Created June 1, 2016 10:43 — forked from jrudolph/TestMultipartFileUpload.scala
akka-http Multipart file-upload client + server example
package akka.http.scaladsl
import java.io.File
import akka.http.scaladsl.unmarshalling.Unmarshal
import akka.util.ByteString
import scala.concurrent.duration._
import akka.actor.ActorSystem
@lucianenache
lucianenache / 1.README.md
Created January 27, 2016 09:32 — forked from rtfpessoa/1.README.md

Get Git log in JSON format

git log --pretty=format:'{%n  "commit": "%H",%n  "abbreviated_commit": "%h",%n  "tree": "%T",%n  "abbreviated_tree": "%t",%n  "parent": "%P",%n  "abbreviated_parent": "%p",%n  "refs": "%D",%n  "encoding": "%e",%n  "subject": "%s",%n  "sanitized_subject_line": "%f",%n  "body": "%b",%n  "commit_notes": "%N",%n  "verification_flag": "%G?",%n  "signer": "%GS",%n  "signer_key": "%GK",%n  "author": {%n    "name": "%aN",%n    "email": "%aE",%n    "date": "%aD"%n  },%n  "commiter": {%n    "name": "%cN",%n    "email": "%cE",%n    "date": "%cD"%n  }%n},'

The only information that aren't fetched are:

  • %B: raw body (unwrapped subject and body)
  • %GG: raw verification message from GPG for a signed commit
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lucianenache / java-8-ami.md
Created January 27, 2016 09:00 — forked from rtfpessoa/java-8-ami.md
[Guide] Install Sun Java 8 on Amazon EC2 Ami

First verify the version of Java being used is not Sun Java 8 SDK

java -version

Get the Sun Java 8 SDK from Oracle

wget --no-cookies --header "Cookie: gpw_e24=xxx; oraclelicense=accept-securebackup-cookie;" "http://download.oracle.com/otn-pub/java/jdk/8u11-b12/jdk-8u11-linux-x64.rpm"

Install Sun Java 8

sudo rpm -i jdk-8u11-linux-x64.rpm

Check if the default java version is set to Sun Java 8 SDK