Rodrigo Salado Anaya rodrigoSaladoAnaya
alexengrig
/ LambdaFactory.java
Created
September 12, 2021 16:50
Example of using LambdaMetafactory#metafactory
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import java.lang.invoke.CallSite; | |
| import java.lang.invoke.LambdaMetafactory; | |
| import java.lang.invoke.MethodHandle; | |
| import java.lang.invoke.MethodHandles; | |
| import java.lang.invoke.MethodType; | |
| import java.lang.reflect.Method; | |
| import java.lang.reflect.Modifier; | |
| import java.util.Arrays; | |
| import java.util.LinkedList; | |
| import java.util.function.BiFunction; |
weilueluo
/ Java types by args and return
Last active
May 29, 2025 22:16
Differences between Supplier, Consumer, Callable, Runnable, Function, BiFunction, Predicate, UnaryOperator, BinaryOperator
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Supplier () -> x | |
| Consumer x -> () | |
| Callable () -> x throws ex | |
| Runnable () -> () | |
| Function x -> y | |
| BiFunction x,y -> z | |
| Predicate x -> boolean | |
| UnaryOperator x1 -> x2 | |
| BinaryOperator x1,x2 -> x3 |
franciscocpg
/ SSLUtilities.java
Last active
February 4, 2023 18:02
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import java.security.GeneralSecurityException; | |
| import java.security.SecureRandom; | |
| import java.security.cert.X509Certificate; | |
| import javax.net.ssl.HostnameVerifier; | |
| import javax.net.ssl.HttpsURLConnection; | |
| import javax.net.ssl.SSLContext; | |
| import javax.net.ssl.TrustManager; | |
| import javax.net.ssl.X509TrustManager; | |
| /** |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| byte[] encode(int x) { | |
| byte[] b = new byte[2]; | |
| b[0] = (byte)(x>>8 & 0xff); | |
| b[1] = (byte)(x & 0xff); | |
| return b; | |
| } | |
| int decode(byte[] b) { | |
| return ((b[0] & 0xff) << 8) | (b[1] & 0xff); | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| function pwdx { | |
| lsof -a -p $1 -d cwd -n | tail -1 | awk '{print $NF}' | |
| } |