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@kommradHomer
kommradHomer / sorted-set-fifo.java
Last active May 31, 2019 23:08
sorted set FIFO
...
Jedis j;
j.connect();
/*
*using NX parameter on ZADD command -> ADD IF NOT EXISTS -> UNIQUE
*using Timestamp as score -> always increasing -> always MAX score -> Like RPUSH on a list
@kommradHomer
kommradHomer / gist:86978a9fa4411b45c0cda84e9f87b609
Created May 31, 2019 23:11
sorted-set-fifo.out
"aa",<SCORE OF aa>
"bb",<SCORE OF bb>
"cc",<SCORE OF cc>
"dd",<SCORE OF dd>
@kommradHomer
kommradHomer / example.json
Last active August 26, 2019 11:56
example json
{
"name":"Muhammad Li",
"message":"Hello World",
"age":45,
"weight_kg":82,
"height_cm":188
}
@kommradHomer
kommradHomer / pom.xml
Last active September 18, 2019 12:15
additions necessary for using the plugin in your own project
...
<dependencies>
<!-- https://mvnrepository.com/artifact/com.sun.xml.rpc/jaxrpc-impl -->
<dependency>
<groupId>com.sun.xml.rpc</groupId>
<artifactId>jaxrpc-impl</artifactId>
<version>1.1.5</version>
</dependency>
</dependencies>
@kommradHomer
kommradHomer / golang-tsp-simple.go
Last active October 10, 2019 23:26
package main
import "fmt"
import "strconv"
func main() {
var cities = [4][4]int {
{0, 2, 5, 7} , // a b c d
{2, 0, 8, 3} , // b
@kommradHomer
kommradHomer / whydoesthisneedaname.go
Last active October 24, 2019 21:28
binary search and ternary search
package main
import (
"fmt"
"math/rand"
"time"
)
func main() {
@kommradHomer
kommradHomer / ssh.tunnel.sh
Created October 29, 2019 22:56
ssh [email protected] -L <ANY_AVAILABLE_PORT_YOU_FANCY>:127.0.0.1:39017 -N
@kommradHomer
kommradHomer / brute-force-large-integer-multiplication.go
Last active November 30, 2019 21:30
brute-force-large-integer-multiplication
package main
import (
"fmt"
"strconv"
)
func main() {
num1 := "9879879879879879879879879879879879879879879879879879879879879879879879879879879875463473583567398798798798798798734526456367456745674999234582345898923845234523452345234523452989986001020012345678912398798798798798798798798798798798798798798798798798798798798798798798798798798798754634735835673987987987987987987345264563674567456749992345823458989238452345234523452345234529899860010200123456789123987987987987987987987987987987987987987987987987987987987987987987987987987987987546347358356739879879879879879873452645636745674567499923458234589892384523452345234523452345298998600102001234567891239879879879879879879879879879879879879879879879879879879879879879879879879879879875463473583567398798798798798798734526456367456745674999234582345898923845234523452345234523452989986001020012345678912398798798798798798798798798798798798798798798798798798798798798798798798798798798754634735835673987987987987987987345264563674567456749992345823458989238452
@kommradHomer
kommradHomer / B.java
Last active July 31, 2020 23:12
bucket-with-options
BucketOptions o=new BucketOptions();
o.output(
new BsonField("student_ids", new Document("$push","$student_id")),
new BsonField("attended_class",new Document("$sum",
new Document("$cond",
Arrays.asList(
new Document("$gte",Arrays.asList("$attn",8)),
1,
0
@kommradHomer
kommradHomer / b-used.java
Last active July 31, 2020 23:31
bucket used
Bson a=Aggregates.match( new Document("year", 5));
BucketOptions o=new BucketOptions();
o.output(
new BsonField("student_ids", new Document("$push","$student_id")),
new BsonField("attended_class",new Document("$sum",
new Document("$cond",
Arrays.asList(
new Document("$gte",Arrays.asList("$attn",8)),