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Can functions be passed as parameters?

... result = quote123(foo) fmt.Println(result) // Output: "foo" _ = convert(foo) // confirm foo satisfies convert at runtime // fails due to argument type // _ = convert(func(x float64) string { return "" }) } Play: http://play.golang.org/p/XNMtrDUDS0 Tour: https://tour.golang...
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Code equivalent to the 'let' keyword in chained LINQ extension method calls

...ime it's executed: var seq = EnumerableEx.Generate( new Random(), _ => true, _ => _, x => x.Next()); To see that new random samples show up every time, consider the following seq.Zip(seq, Tuple.Create).Take(3).Dump(); which produces pairs in which the left and right ar...
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What's wrong with nullable columns in composite primary keys?

...key creation. If this was just a retrieval problem, you could use where pk_1 = 'a' and pk_2 = 'b' with normal values, and switch to where pk_1 is null and pk_2 = 'b' when there are nulls. – EoghanM Mar 15 '13 at 9:59 ...
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Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?

...ic class DependencyRegistrarModule : IHttpModule { private static bool _dependenciesRegistered; private static readonly object Lock = new object(); public void Init(HttpApplication context) { context.BeginRequest += (sender, args) => EnsureDependenciesRegistered(); } ...
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Is there a max array length limit in C++?

... the size thereof). It is given by the maximum value the system's std::size_t can take. This data type is large enough to contain the size in bytes of any object The other limit is a physical memory limit. The larger your objects in the array are, the sooner this limit is reached because memory is ...
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What is a NullPointerException, and how do I fix it?

... doSomething() could be written as: /** * @param obj An optional foo for ____. May be null, in which case * the result will be ____. */ public void doSomething(SomeObject obj) { if(obj == null) { //do something } else { //do something else } } Finally, How to pinpo...
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Spring .properties file: get element as an Array

... this is what I want, but in env vars... I should be able to use SOME_KEY_0_=yes SOME_KEY_1=no, etc in env vars, but my getProperty is coming back null – Rhubarb Apr 30 at 20:56 ...
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Concatenate two slices in Go

...ough options for the task. la := len(a) c := make([]int, la, la + len(b)) _ = copy(c, a) c = append(c, b...) la := len(a) c := make([]int, la + len(b)) _ = copy(c, a) _ = copy(c[la:], b) share | ...
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How to Publish Web with msbuild?

...ion" ; &msbuild "$project" /t:Package /p:"Configuration=$configuration;_PackageTempDir=$outputfolder" – zcrar70 Feb 2 '11 at 12:25 ...
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How to limit the amount of concurrent async I/O operations?

...hecker { private const int ThreadCount=20; private CountdownEvent _countdownEvent; private SemaphoreSlim _throttler; public Task Check(IList<string> urls) { _countdownEvent = new CountdownEvent(urls.Count); _throttler = new SemaphoreSlim(ThreadCount); ...