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Does name length impact performance in Redis?
...recent version would show significantly better results. Two comments down from that link us to Salvatore's Redis/memcached Benchmark which was posted a few days after he'd responded to the original "blagger" (who seems to be anonymous).
This doesn't answer the questions (how long can the keys be a...
Create a completed Task
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When targeting .NET 4.5 you can use Task.FromResult:
public static Task<TResult> FromResult<TResult>(TResult result);
To create a failed task, use Task.FromException:
public static Task FromException(Exception exception);
public static Task<TResul...
Idiomatic way to convert an InputStream to a String in Scala
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For Scala >= 2.11
scala.io.Source.fromInputStream(is).mkString
For Scala < 2.11:
scala.io.Source.fromInputStream(is).getLines().mkString("\n")
does pretty much the same thing. Not sure why you want to get lines and then glue them all back together, t...
.NET Process.Start default directory?
I'm firing off a Java application from inside of a C# .NET console application. It works fine for the case where the Java application doesn't care what the "default" directory is, but fails for a Java application that only searches the current directory for support files.
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What is the most efficient way to deep clone an object in JavaScript?
...nd the spread syntax.
which copies values of all enumerable own properties from one object to another. For example:
var A1 = {a: "2"};
var A2 = Object.assign({}, A1);
var A3 = {...A1}; // Spread Syntax
share
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What to add for the update portion in ConcurrentDictionary AddOrUpdate
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Good answer. Just from the signature of the AddOrUpdate() displayed in Visual Studio you can only guess the meaning of the 2 parameters. However in the specific case, that @user438331 asks about, I think the solution in my answer using a simpl...
Why can I create a class named “var”?
...r is not a keyword according to this list.
it is a contextual keyword, so from the context the compiler is able to decide which is your class and which is the contextual keyword, and no confusion arises.
a contextual keyword is:
used to provide a specific meaning in the code, but it is not a
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The thread has exited with code 0 (0x0) with no unhandled exception
...n.microsoft.com/en-us/library/bs4c1wda.aspx
In addition to program out from your application, the Output window
can display the information about:
Modules the debugger has loaded or unloaded.
Exceptions that are thrown.
Processes that exit.
Threads that exit.
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std::shared_ptr thread safety explained
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Yes. From my understanding, the standard does not say that it must be lock-free. But in the latest GCC and MSVC, it is lock-free on Intel x86 hardware, and I think other good compilers are likely to do the same when the hardware ...
What's the reason I can't create generic array types in Java?
...s to explain the same thing I've already said, the only thing that changed from my original reason is that I though that he said T[] ts = new T[n]; was a valid example. I'll keep the vote because he's answer can cause issues and confusions to other devs and is also off-topic. Also, I'll stop comment...