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// Java: Map<Integer, String> map = persons .stream() .collect(Collectors.toMap( p -> p.age, p -> p.name, (name1, name2) -> name1 + ";" + name2)); System.out.println(map); // {18=Max, 23=Peter;Pamela, ...

// Java (verbose): Collector<Person, StringJoiner, String> personNameCollector = Collector.of( () -> new StringJoiner(" | "), // supplier (j, p) -> j.add(p.name.toUpperCase()), // accumulator (j1, j2) -> j1.merge(j2), // c...

// Java: IntSummaryStatistics ageSummary = persons.stream() .collect(Collectors.summarizingInt(p -> p.age)); System.out.println(ageSummary); // IntSummaryStatistics{count=4, sum=76, min=12, average=19.000000, max=23} // Kotlin: // something to hold the stats... da...

CRTP is a powerful, static alternative to virtual functions and traditional inheritance that can be used to give types properties at compile time. It works by having a base class template which takes, as one of its template parameters, the derived class. This permits it to legally perform a static_c...

Subroutines are created by using the keyword sub followed by an identifier and a code block enclosed in braces. You can access the arguments by using the special variable @_, which contains all arguments as an array. sub function_name { my ($arg1, $arg2, @more_args) = @_; # ... } Sin...

You can pass data to a template in a custom variable. In your views.py: from django.views.generic import TemplateView from MyProject.myapp.models import Item class ItemView(TemplateView): template_name = "item.html" def items(self): """ Get all Ite...

CMake generates build environments for nearly any compiler or IDE from a single project definition. The following examples will demonstrate how to add a CMake file to the cross-platform "Hello World" C++ code. CMake files are always named "CMakeLists.txt" and should already exis...

Once you have a Dockerfile, you can build an image from it using docker build. The basic form of this command is: docker build -t image-name path If your Dockerfile isn't named Dockerfile, you can use the -f flag to give the name of the Dockerfile to build. docker build -t image-name -f Dockerfi...

This data is collected by the http_unit and scollector. It warns when an alert is going to expire within a certain amount of days, and then goes critical if the cert has passed the expiration date. This follows the recommended default of warn and crit usage in Bosun (warn: something is going to fail...

Template Definition template linux.bonding { subject = {{.Last.Status}}: {{.Eval .Alert.Vars.by_host}} bad bond(s) on {{.Group.host}} body = `{{template "header" .}} <h2>Bond Status</h2> <table> <tr><th>Bond</th><th>Slave&...

Using .Graph will filter the results to only include those that match the tagset for the alert. For instance an alert for os.low.memory{host=ny-web01} would only include series with the host=ny-web01 tags. If multiple series match then only the first matching result will be used. template graph.tem...

Using .GraphAll will include all the results in the graph. template graph.template { subject = ... body = `{{template "header" .}} <strong>GraphAll</strong> <div>{{.GraphAll .Alert.Vars.graph}}</div> <strong>GraphAll With Y Axis...

Graph queries can be defined inline if you don't want to use an Alert variable. template graph.template { subject = ... body = `{{template "header" .}} <strong>Graph With Inline Query</strong> <div>{{.Graph "q(\"avg:300s-avg:os.mem.perce...

If you want to graph two series on one graph, you can use the Merge function. This can also be combined with the Series function to manipulate the Y axis (like forcing it to start at zero). template graph.template { subject = ... body = `{{template "header" .}} <stro...

public bool Check() { string input = "Hello World!"; string pattern = @"H.ll. W.rld!"; // true return Regex.IsMatch(input, pattern); }

public bool Check() { string input = "Hello World!"; string pattern = @"H.ll. W.rld!"; // true return Regex.IsMatch(input, pattern, RegexOptions.IgnoreCase | RegexOptions.Singleline); }

public string Check() { string input = "Hello World!"; string pattern = @"H.ll. (?<Subject>W.rld)!"; Match match = Regex.Match(input, pattern); // World return match.Groups["Subject"].Value; }

This uses the Dropbox Java SDK to create a shared link for a file at the Dropbox path /test.txt: try { SharedLinkMetadata sharedLinkMetadata = client.sharing().createSharedLinkWithSettings("/test.txt"); System.out.println(sharedLinkMetadata.getUrl()); } catch (CreateSharedLinkW...

This example uses the Dropbox .NET library to get a shared link for a file, either by creating a new one, or retrieving an existing one: SharedLinkMetadata sharedLinkMetadata; try { sharedLinkMetadata = await this.client.Sharing.CreateSharedLinkWithSettingsAsync (path); } catch (ApiException...

This returns information about a specific classifier ID you have trained. This includes information about its current status (i.e., if it is ready or not). 'use strict'; let watson = require('watson-developer-cloud'); var visualRecognition = watson.visual_recognition({ version: 'v3', ap...