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How to start two threads at “exactly” the same time
The threads should start at same split second. I understand, if you do thread1.start() , it will take some milliseconds before the next execution of thread2.start() .
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How do I pass an extra parameter to the callback function in Javascript .filter() method?
...= 0;
}
addressBook.filter(startsWith.bind(this, wordToCompare));
I dont really understand how the default parameters it takes are passed
There is nothing special about it. At some point, filter just calls the callback and passes the current element of the array. So it's a function calling ...
How can I easily convert DataReader to List? [duplicate]
...ties or fields to maps DataReaders to objects. (A bit like what LinqToSql does.) They save a bit of typing and may reduce the number of errors when coding for DBNull etc. Once you cache the generated code they can be faster then most hand written code as well, so do consider the “high road” i...
What are the use-cases for Web Workers? [closed]
... use is Web I/O - in other words, polling URLs in background. That way you don't block the UI waiting for polling results.
Another practical use: in Bespin, they’re using Web Workers to do the syntax highlighting, which you wouldn’t want to block your code editing whilst you’re using the app.
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C# 'is' operator performance
...at it then returns null instead of false.
– Konrad Rudolph
Nov 29 '09 at 23:55
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How do I pull from a Git repository through an HTTP proxy?
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To authenticate with the proxy:
git config --global http.proxy http://mydomain\\myusername:mypassword@myproxyserver:8080/
(Credit goes to @EugeneKulabuhov and @JaimeReynoso for the authentication format.)
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What are the differences between virtual memory and physical memory?
...lization in operating systems. Considering RAM as the physical memory, why do we need the virtual memory for executing a process?
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Get HTML5 localStorage keys
... make an update. Truth is, the example above isn't really the right way to do this. The best and safest way is to do it like this:
for ( var i = 0, len = localStorage.length; i < len; ++i ) {
console.log( localStorage.getItem( localStorage.key( i ) ) );
}
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What is the purpose of “return await” in C#?
... block).
Consider these two versions of a method:
Task<SomeResult> DoSomethingAsync()
{
using (var foo = new Foo())
{
return foo.DoAnotherThingAsync();
}
}
async Task<SomeResult> DoSomethingAsync()
{
using (var foo = new Foo())
{
return await foo.Do...
How do I turn on SQL debug logging for ActiveRecord in RSpec tests?
... SQL ActiveRecord logging just like I see in the Rails server mode. How to do that?
5 Answers
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