Anton Dzodzikov anton-dzodzikov
anton-dzodzikov
/ gist:0968a22d3a36e573afb2d3cdb66203ca
Last active
September 10, 2019 12:26
— forked from psayre23/gist:c30a821239f4818b0709
Runtime Complexity of Java Collections
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| Below are the Big O performance of common functions of different Java Collections. | |
| List | Add | Remove | Get | Contains | Next | Data Structure | |
| ---------------------|------|--------|------|----------|------|--------------- | |
| ArrayList | O(1) | O(n) | O(1) | O(n) | O(1) | Array | |
| LinkedList | O(1) | O(1) amortized | O(n) | O(n) | O(1) | Linked List | |
| CopyOnWriteArrayList | O(n) | O(n) | O(1) | O(n) | O(1) | Array | |
anton-dzodzikov
/ Nginx - context path to port and context path
Created
January 1, 2018 17:22
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| location / { | |
| proxy_set_header X-Real-IP $remote_addr; | |
| proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; | |
| proxy_set_header Host $host; | |
| proxy_set_header X-NginX-Proxy true; | |
| proxy_set_header X-Forwarded-Proto $scheme; | |
| proxy_pass http://localhost:9000; | |
| proxy_redirect http://localhost:9000 http://dzodzikov.com; | |
| } |
anton-dzodzikov
/ Nginx - context path to port
Created
January 1, 2018 17:22
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| location /portainer/ { | |
| proxy_set_header X-Real-IP $remote_addr; | |
| proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; | |
| proxy_set_header Host $host; | |
| proxy_set_header X-NginX-Proxy true; | |
| proxy_set_header X-Forwarded-Proto $scheme; | |
| proxy_pass http://localhost:9000/; | |
| proxy_redirect http://localhost:9000/ http://dzodzikov.com/portainer/; | |
| } |
anton-dzodzikov
/ Run remote Jenkins job
Created
December 6, 2017 01:32
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| /** | |
| * Runs remote Jenkins job and waits for it to finish | |
| * | |
| * Use in Gitlab CI YAML as follows: | |
| * mvn -q groovy:execute -Dsource=ci/execute-remote-job.groovy -Durl=URL -DjobName=NAME -Dlogin=LOGIN -Dpassword=PASS -Dparameters.one=ONE -Dparameters.two=TWO | |
| * | |
| * Expects as input: | |
| * url - URL of Jenkins | |
| * jobName - name of the job | |
| * login - login of the user of Jenkins |
anton-dzodzikov
/ Tail recursive factorial
Created
November 21, 2017 10:45
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| def factorial(number: Int): Int = { | |
| def factorialIter(multiple: Int, nextNumber: Int): Int = { | |
| if (nextNumber == 1) multiple else factorialIter(multiple * nextNumber, nextNumber - 1) | |
| } | |
| factorialIter(number, number - 1) | |
| } |
anton-dzodzikov
/ tomcat manager deploy
Created
October 3, 2017 03:41
— forked from pete911/tomcat manager deploy
tomcat - deploy war files using curl
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| # deploy under "path" context path | |
| curl --upload-file appplication-0.1-1.war "http://tomcat:tomcat@localhost:8080/manager/deploy?path=/application-0.1-1 | |
| # undeploy | |
| curl "http://tomcat:tomcat@localhost:8080/manager/undeploy?path=/application-0.1-1" | |
| # ! tomcat7 uses /manager/text/undeploy and /manager/text/deploy paths | |
| # tomcat6-admin (debian) or tomcat6-admin-webapps (rhel) has to be installed | |
| # tomcat-users.xml has to be setup with user that has admin, manager and manager-script roles |
anton-dzodzikov
/ python http snippet
Created
April 1, 2016 01:56
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| def send_request(url, data, method, content_type): | |
| """ | |
| Send HTTP request and return response | |
| """ | |
| opener = urllib2.build_opener(urllib2.HTTPHandler) | |
| request = urllib2.Request(url, data=data) | |
| request.add_header('Content-Type', content_type) | |
| request.get_method = lambda: method | |