Jarrod Roberson jarrodhroberson
jarrodhroberson
/ ObjectifyLoaderContextListener.java
Last active
July 29, 2017 15:21
A Servlet Context Listener to automatically register @entity decorated classes with ObjectifyFactory
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| import com.google.appengine.api.ThreadManager; | |
| import com.googlecode.objectify.ObjectifyFactory; | |
| import com.googlecode.objectify.ObjectifyService; | |
| import com.googlecode.objectify.annotation.Entity; | |
| import org.reflections.Reflections; | |
| import org.reflections.util.ClasspathHelper; | |
| import org.reflections.util.ConfigurationBuilder; | |
| import org.slf4j.Logger; | |
| import org.slf4j.LoggerFactory; |
jarrodhroberson
/ find_in_jar.bat
Last active
November 16, 2017 00:50
— forked from leogomes/find_in_jar.sh
bash and windows shell scripts to find classes in .jar files in a directory
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| # Windows (cmd) Command line version | |
| forfiles /S /M *.jar /C "cmd /c jar -tvf @file | findstr /C:"$1" && echo @path" |
jarrodhroberson
/ Q21866253.java
Last active
February 1, 2019 07:53
Example for a StackOverflow question about rate limiting a function call.
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| package com.stackoverflow; | |
| import com.google.common.util.concurrent.RateLimiter; | |
| import javax.annotation.Nonnull; | |
| import java.util.HashMap; | |
| import java.util.Map; | |
| import java.util.concurrent.ExecutorService; | |
| import java.util.concurrent.Executors; | |
| import java.util.concurrent.atomic.AtomicInteger; |
jarrodhroberson
/ PadStrings.java
Created
February 17, 2014 20:12
Padding Strings in Java with String.format()
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| public static String padRight(@Nonnull final String s, int n) | |
| { | |
| return String.format("%1$-" + n + "s", s); | |
| } | |
| public static String padLeft(@Nonnull final String s, int n) | |
| { | |
| return String.format("%1$" + n + "s", s); | |
| } |
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| JSAP jsap = new JSAP(main.getResource("main.jsap")); | |
| JSAPResult config = jsap.parse(args) | |
| if (config.getBoolean("help") || !config.success()) | |
| { | |
| println "Usage: java -jar main.jar " + jsap.usage | |
| println "" | |
| println jsap.help | |
| if (!config.success()) | |
| { | |
| for (e in config.getErrorMessageIterator()) |
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| <jsap> | |
| <parameters> | |
| <switch> | |
| <id>help</id> | |
| <shortFlag>h</shortFlag> | |
| <longFlag>help</longFlag> | |
| <help>Display this help</help> | |
| </switch> | |
| <flaggedOption> | |
| <id>host</id> |
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| PS1="\[\e[0;37m\][\[\e[m\]\[\e[0;32m\]\u\[\e[m\]\[\e[0;31m@\[\e[m\]\[\e[0;32m\]\h\[\e[m\]\[\e[0;37m\]]\[\e[m\] \[\e[0;37m\][\[\e[m\]\[\e[0;34m\]\w\[\e[m\]\[\e[0;37m\]]\[\e[m\]\n" |
jarrodhroberson
/ file_selection.py
Created
February 14, 2014 03:41
Object Oriented File Selection in Python
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| class Action: | |
| """ | |
| Actions are things that can be executed. | |
| """ | |
| def execute(self): | |
| pass | |
| class PatternSet: | |
| """ | |
| Pattern set provides the interface and abstract functionality to provide the include and exclude |
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| -module(linereceiver). | |
| -export([start/1]). | |
| sleep(T) -> | |
| receive | |
| after T -> | |
| true | |
| end. | |
| start(Port) -> |
jarrodhroberson
/ walk_dirs.m
Created
February 14, 2014 03:36
Recursively list all files and directories below a given directory
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| /* | |
| This is example code of how to walk a directory recurisively | |
| and create a flat list of fully qualified names for all the files | |
| and directories under the supplied virtual root directory. | |
| */ | |
| #import <CoreServices/CoreServices.h> | |
| #import <AppKit/AppKit.h> | |
| #import <stdarg.h> | |
| int main (int argc, const char * argv[]) |