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How do I check if a number evaluates to infinity?
...inite returns false if your number is POSITIVE_INFINITY, NEGATIVE_INFINITY or NaN.
if (isFinite(result))
{
// ...
}
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What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java
...g the global object.
The reason why it's used is so that if you have two (or more) files:
var MY_NAMESPACE = MY_NAMESPACE || {};
MY_NAMESPACE.func1 = {
}
and
var MY_NAMESPACE = MY_NAMESPACE || {};
MY_NAMESPACE.func2 = {
}
both of which share the same namespace it then doesn't matter in which ...
In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...rue - due to string interning, it will be created either once per assembly or once per AppDomain (or possibly once for the whole process - not sure on that front). This difference is negligible - massively, massively insignificant.
Which you find more readable is a different matter, however. It's s...
Custom HTTP headers : naming conventions
... relative to their account in the HTTP headers of requests we send them, or even responses they get from our API.
What is the general convention to add custom HTTP headers, in terms of naming , format ... etc.
...
Is there any way to not return something using CoffeeScript?
...
You have to explicitly return nothing, or to leave an expression evaluating to undefined at the bottom of your function:
fun = ->
doSomething()
return
Or:
fun = ->
doSomething()
undefined
This is what the doc recommends, when using comp...
Ignoring directories in Git repositories on Windows
How can I ignore directories or folders in Git using msysgit on Windows?
18 Answers
18...
Test if a property is available on a dynamic variable
...obably include a lot of guessing, because it is implementation-defined, according to the C# specification.
So you should actually try to access the member and catch an exception, if it fails:
dynamic myVariable = GetDataThatLooksVerySimilarButNotTheSame();
try
{
var x = myVariable.MyProperty;...
How can you determine a point is between two other points on a line segment?
...points (called a and b) on it represented by an x integer and a y integer for each point.
20 Answers
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What are the Ruby Gotchas a newbie should be warned about? [closed]
... was quite surprised to see that it was not as simple as I had expected. More precisely, the "rule of least-surprise" did not seem very respected to me (of course this is quite subjective). For example:
...
Difference between CouchDB and Couchbase
...described pretty much everywhere (see The Future of CouchDB by Damien Katz or
Couchbase vs. Apache CouchDB
by Couchbase). Instead, I will try to enumerate features of CouchDB that you will not find in the Couchbase Server.
All of the names relating to CouchDB and Couchbase can be really confusing,...