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Why doesn't Java allow overriding of static methods?
...ience for Java was C++ developers. Making static methods work the way they do had the benefit of familiarity for C++ programmers and was also very fast, because there's no need to wait until runtime to figure out which method to call.
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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...
Brew update failed: untracked working tree files would be overwritten by merge
...
you might want to do also git add . followed by git stash :P
– mkk
Feb 28 '14 at 16:30
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Convert JavaScript string in dot notation into an object reference
...gotten many upvotes, I am also somewhat horrified. If one needs to convert dot-notation strings like "x.a.b.c" into references, it could (maybe) be a sign that there is something very wrong going on (unless maybe you're performing some strange deserialization).
That is to say, novices who find ...
Angular.js programmatically setting a form field to dirty
... my form with a value and I would like to set the field state to $dirty . Doing something like:
11 Answers
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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 uniquely identify computers visiting my web site?
...y uniquely identify each computer which visits the web site I am creating. Does anybody have any advice on how to achieve this?
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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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How do I remove blank elements from an array?
...
There are many ways to do this, one is reject
noEmptyCities = cities.reject { |c| c.empty? }
You can also use reject!, which will modify cities in place. It will either return cities as its return value if it rejected something, or nil if no rej...
String concatenation in Ruby
...
You can do that in several ways:
As you shown with << but that is not the usual way
With string interpolation
source = "#{ROOT_DIR}/#{project}/App.config"
with +
source = "#{ROOT_DIR}/" + project + "/App.config"
The sec...