Pietro Martinelli pietrom
pietrom
/ ObjectHelper.cs
Created
September 8, 2016 14:40
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| public static class ObjectHelper { | |
| public static T? Min<T>(T? x, T? y) where T : struct, IComparable { | |
| if (x.HasValue && y.HasValue) { | |
| return x.Value.CompareTo(y.Value) <= 0 ? x : y; | |
| } else if (x.HasValue) { | |
| return x; | |
| } else { | |
| return y; | |
| } | |
| } |
pietrom
/ random-int.js
Created
September 8, 2016 13:50
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| function randomInt(from, to) { | |
| var interval = to - from + 1; | |
| return function() { | |
| return Math.floor(Math.random() * interval) + from; | |
| } | |
| } |
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| function every(times, callback) { | |
| var count = times; | |
| return function() { | |
| count--; | |
| if(count === 0) { | |
| count = times; | |
| callback(); | |
| } | |
| } | |
| } |
pietrom
/ async-map.js
Last active
September 8, 2016 13:41
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| function after(times, callback) { | |
| return function() { | |
| times--; | |
| if(times === 0) { | |
| callback(); | |
| } | |
| } | |
| } | |
| function asyncmap(list, op, cb) { |
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| function after(times, callback) { | |
| return function() { | |
| times--; | |
| if(times === 0) { | |
| callback(); | |
| } | |
| } | |
| } |
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| public static class DateTimeExtension { | |
| public static Int64 Epoch(this DateTime date) | |
| { | |
| DateTime epoch = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc); | |
| return Convert.ToInt64((date - epoch).TotalMilliseconds) ; | |
| } | |
| public static DateTime ToDateTime(this long unixTime) | |
| { | |
| DateTime epoch = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc); |
pietrom
/ MongoDb aggregation framework
Created
September 21, 2015 06:53
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| db.messages.aggregate([ | |
| { $unwind: '$headers.To' }, | |
| { $group: { _id: { id: '$_id', from: '$headers.From'}, to: { $addToSet: '$headers.To' }}}, | |
| { $unwind: '$to' }, | |
| { $group: { _id: { from: '$_id.from', to: '$to'}, hits: {$sum: 1}}}, | |
| { $match: { hits: {$gt: 1} } }, | |
| { $sort: { hits: -1 }} | |
| ]); |
pietrom
/ gist:099a7701565c44881126
Created
May 5, 2015 09:21
Starting ssh-agent and registering a private key
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| # Starts ssh-agent | |
| eval $(ssh-agent) | |
| # Adds private key to ssh-agent | |
| ssh-add /path/to/private/key |
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <project> | |
| <modelVersion>4.0.0</modelVersion> | |
| <groupId></groupId> | |
| <artifactId></artifactId> | |
| <version></version> | |
| <name></name> | |
| <packaging></packaging> | |
| <dependencyManagement> |
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| <%@page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %> | |
| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> | |
| <html> | |
| <head> | |
| <title></title> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
| <meta name="description" content="" /> | |
| <meta name="keywords" content="" /> | |
| </head> | |
| <body> |