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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
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Your pizza can have exactly three topping types:
one type of cheese
one type of meat
one type of vegetable
So we order two pizzas and choose the following toppings:
Pizza Topping Topping Type
-------- ---------- -------------
1 mozzarella cheese
1 ...
What's the $unwind operator in MongoDB?
...uded a link here. Hopefully this helps, and good luck with your foray into one of the best NoSQL systems that I have come across thus far.
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What is the best open XML parser for C++? [duplicate]
...represent the given vocabulary as well as parsing and serialization code.
One of the unique features of CodeSynthesis XSD is its support for two different XML Schema to C++ mappings: in-memory C++/Tree and stream-oriented C++/Parser. The C++/Tree mapping is a traditional mapping with a tree-like, i...
How do I trim whitespace?
...g str.replace(" ",""). You don't need to use re, unless you have more than one space, then your example doesn't work. [] is designed to mark single characters, it's unnecessary if you're using just \s. Use either \s+ or [\s]+ (unnecessary) but [\s+] doesn't do the job, in particular if you want to r...
What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?
...at works in normal, visual, select and operator modes (:map and :noremap), one that works in normal mode (:nmap and :nnoremap), one in visual mode (:vmap and :vnoremap) and so on.
For more guidance on this, see:
:help :map
:help :noremap
:help recursive_mapping
:help :map-modes
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How can I get the full object in Node.js's console.log(), rather than '[Object]'?
...log() implicitly applies util.inspect() to its arguments, assuming the 1st one is not a format string. If you're happy with util.inspect()'s default options, simply console.log(myObject) will do - no need to require util; console.dir() does the same, but accepts only ` object to inspect; as of at le...
Play sound on button click android
...he most important part in the code provided in the original post.
Button one = (Button) this.findViewById(R.id.button1);
final MediaPlayer mp = MediaPlayer.create(this, R.raw.soho);
one.setOnClickListener(new OnClickListener(){
public void onClick(View v) {
mp.start();
}
});
To ...
Remove an entire column from a data.frame in R
Does anyone know how to remove an entire column from a data.frame in R? For example if I am given this data.frame:
6 Answer...
MySQL INNER JOIN select only one row from second table
...I think that my answer is more simple and is faster because I'm using just one inner join. Maybe I'm wrong?
– Mihai Matei
Sep 21 '12 at 8:01
2
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How to move one word left in the vi editor
I use the shortcut w to move the cursor one word right. Is there a shortcut to move a word left?
5 Answers
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