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How do you rotate a two dimensional array?
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community wiki
Nick Berardi
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How using try catch for exception handling is best practice
...tructure (Load, Click, SelectedChanged...)
All events fired by third party components
Then I enclose in 'try/catch'
All the operations that I know might not work all the time (IO operations, calculations with a potential zero division...). In such a case, I throw a new ApplicationException("cust...
What techniques can be used to speed up C++ compilation times?
What techniques can be used to speed up C++ compilation times?
27 Answers
27
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In Java, what is the best way to determine the size of an object?
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You can use the java.lang.instrument package
Compile and put this class in a JAR:
import java.lang.instrument.Instrumentation;
public class ObjectSizeFetcher {
private static Instrumentation instrumentation;
public static void premain(String args, Instrumenta...
How to install mongoDB on windows?
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It's not like WAMP. You need to start mongoDB database with a command after directory has been created C:/database_mongo
mongod --dbpath=C:/database_mongo/
you can then connect to mongodb using commands.
share...
Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4
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Here's an excellent article I would recommend you reading to better understand asynchronous processing in ASP.NET (which is what asynchronous controllers basically represent).
Let's first consider a standard synchronous action:
public ActionResult Index()
{
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Difference between volatile and synchronized in Java
...anything that was visible to thread A when it writes to volatile field f becomes visible to thread B when it reads f.
-- JSR 133 (Java Memory Model) FAQ
So, now both forms of memory barrier (under the current JMM) cause an instruction re-ordering barrier which prevents the compiler or run-tim...
Clang vs GCC - which produces faster binaries? [closed]
... runs 1% faster, or Clang binaries take up more memory or just fail due to compiler bugs, it's a deal-breaker.
7 Answers
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Difference between `constexpr` and `const`
...ntee that once initialized, the value of that object won't change, and the compiler can make use of this fact for optimizations. It also helps prevent the programmer from writing code that modifies objects that were not meant to be modified after initialization.
constexpr declares an object as fit ...
How to access parent scope from within a custom directive *with own scope* in AngularJS?
...ng for any manner of accessing the "parent" scope within a directive. Any combination of scope, transclude, require, passing in variables (or the scope itself) from above, etc. I'm totally willing to bend over backwards, but I want to avoid something totally hacky or unmaintainable. For example, ...