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How do I get the full path of the current file's directory?
...s.getcwd())
Note that before and after file is two underscores, not just one.
Also note that if you are running interactively or have loaded code from something other than a file (eg: a database or online resource), __file__ may not be set since there is no notion of "current file". The above an...
What's the $unwind operator in MongoDB?
...uded a link here. Hopefully this helps, and good luck with your foray into one of the best NoSQL systems that I have come across thus far.
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Play sound on button click android
...he most important part in the code provided in the original post.
Button one = (Button) this.findViewById(R.id.button1);
final MediaPlayer mp = MediaPlayer.create(this, R.raw.soho);
one.setOnClickListener(new OnClickListener(){
public void onClick(View v) {
mp.start();
}
});
To ...
Regex for password must contain at least eight characters, at least one number and both lower and up
...
Minimum eight characters, at least one letter and one number:
"^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$"
Minimum eight characters, at least one letter, one number and one special character:
"^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\d@$!%*#?&]{8...
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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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...
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...
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 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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