MongoDB normalization, foreign key and joining

MongoDB normalization, foreign key and joining

Before I dive really deep into MongoDB for days, I thought I'd ask a pretty basic question as to whether I should dive into it at all or not. I have basically no experience with nosql.I did read a little about some of the benefits of docume

Eclipse CDT: Symbol 'cout' could not be resolved

Eclipse CDT: Symbol 'cout' could not be resolved

The error is as above. I have what should be all the necessary files include in the eclipse project:/usr/include/c++/4.6/usr/include/usr/include/linux/usr/local/includeetc. I tried std::cout and using namespace std; cout but it still says u

Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?

Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?

Let's say the bottleneck of my Java program really is some tight loops to compute a bunch of vector dot products. Yes I've profiled, yes it's the bottleneck, yes it's significant, yes that's just how the algorithm is, yes I've run Proguard

Initialising a multidimensional array in Java

Initialising a multidimensional array in Java

What is the correct way to declare a multidimensional array and assign values to it?This is what I have:int x = 5;int y = 5;String[][] myStringArray = new String [x][y];myStringArray[0][x] = "a string";myStringArray[0][y] = "another string"

How do I convert a bare git repository into a normal one (in-place)?

How do I convert a bare git repository into a normal one (in-place)?

I have a bare git repository, but need to access and browse its contents over ssh (in a file manager like user experience).I assume I could clone it:git clone -l However, my repository is about 20GB in size and I don't have the space to du

invalid_grant trying to get oAuth token from google

invalid_grant trying to get oAuth token from google

I keep getting an invalid_grant error on trying to get an oAuth token from Google to connect to their contacts api. All the information is correct and I have tripple checked this so kind of stumped.Does anyone know what may be causing this

PreferenceActivity Android 4.0 and earlier

PreferenceActivity Android 4.0 and earlier

Trying the different preference activities in the ApiDemos for Android 4.0, I see in the code that some methods are deprecated in PreferencesFromCode.java, for example.So my question is: if I use PreferenceFragment, will it work for all ver

Why use sys.path.append(path) instead of sys.path.insert(1, path)?

Why use sys.path.append(path) instead of sys.path.insert(1, path)?

Edit: based on a Ulf Rompe's comment, it is important you use "1" instead of "0", otherwise you will break sys.path.I have been doing python for quite a while now (over a year), and I am always confused as to why people recommend you use sy