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Vagrant error: NFS is reporting that your exports file is invalid
...alid entries in /etc/exports already. So I had to clean up that file and restart my Vagrant box.
NFS is reporting that your exports file is invalid. Vagrant does
this check before making any changes to the file. Please correct
the issues below and execute "vagrant reload":
Here's what I did on my...
A monad is just a monoid in the category of endofunctors, what's the problem?
...)) = T = μ(T(η))
How do we translate this to Haskell code? Well, let's start with the notion of a natural transformation:
-- | A natural transformations between two 'Functor' instances. Law:
--
-- > fmap f . eta g == eta g . fmap f
--
-- Neat fact: the type system actually guarantees this la...
Stop execution of Ruby script
... kill it.
and also you can do it with lsof -wi tcp:3000 in case you didnt start the server on another port otherwise you should change the port 3000
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Visually managing MongoDB documents and collections [closed]
...E is frustrating - it looks great and has some nice features, but once you start to use it you realise its limitations. You can't edit records or even remove embeded documents in the visual tool.
– UpTheCreek
Oct 15 '11 at 8:16
...
Creating an array of objects in Java
... A();
or
for( int i=0; i<4; i++ )
arr[i] = new A();
Now you can start calling existing methods from the objects you just made etc.
For example:
int x = arr[1].getNumber();
or
arr[1].setNumber(x);
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How to check if the string is empty?
...r 'is' sometimes produce a different result?). And "" is interned from the start in CPython
The big problem with the identity check is that String Internment is (as far as I could find) that it is not standardised which strings are interned. That means, theoretically "" is not necessary interned an...
Member initialization while using delegated constructor
I've started trying out the C++11 standard and i found this question which describes how to call your ctor from another ctor in the same class to avoid having a init method or the like. Now i'm trying the same thing with code that looks like this:
...
What does $.when.apply($, someArray) do?
...e of the initial promise set to undefined. What i did to make it work:
// Start with an empty resolved promise - undefined does the same thing!
var promise;
for(var i = 0; i < data.length; i++){
if(i==0) promise = processItem(data[i]);
else promise = $.when(promise, processItem(data[i]));
}...
How to Execute a Python File in Notepad ++?
...PATH)" for Python 2.7.
and then Save As..., and pick your own key combo to start it each time you want to run something
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How to name and retrieve a stash by name in git?
...n page:
This creates and checks out a new branch named <branchname> starting from the commit at which the <stash> was originally created, applies the changes recorded in <stash> to the new working tree and index, then drops the <stash> if that completes successfully. When no...