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Crop MP3 to first 30 seconds
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you can use mp3cut:
cutmp3 -i foo.mp3 -O 30s.mp3 -a 0:00.0 -b 0:30.0
It's in ubuntu repo, so just: sudo apt-get install cutmp3.
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Read each line of txt file to new array element
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It's just easy as that:
$lines = explode("\n", file_get_contents('foo.txt'));
file_get_contents() - gets the whole file as string.
explode("\n") - will split the string with the delimiter "\n" - what is ASCII-LF escape for a newline.
But pay attention - check that the file has UNIX-Line...
Bower and devDependencies vs dependencies
I ran 'yo angular' and realized afterwards that it installs 1.0.8, I uninstalled the angular components, however the original bower.json file had angular-mocks and angular-scenario under 'devDependencies' when I re-add all the 1.2.0-rc.2 components angular-mocks and angular-scenario under dependenci...
Why do we use __init__ in Python classes?
... Brazilian(Humans)
def do_your_special_thing
win_every_football_world_cup()
class Germans(Humans)
def drink(beverage):
if favorite_drink != beverage: print "I need more beer"
else: print "Lecker!"
class HighSchoolStudent(Americans):
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How to suppress Update Links warning?
I'm trying to write a script that opens many Excel files. I keep getting the prompt:
7 Answers
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Red black tree over avl tree
AVL and Red black trees are both self-balancing except Red and black color in the nodes. What's the main reason for choosing Red black trees instead of AVL trees? What are the applications of Red black trees?
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Regular Expressions- Match Anything
...ing something after * (as in /.*(?:)/) or using the regex constructor (var foo = new RegExp(".*")).
– Tim Pietzcker
Oct 24 '18 at 19:11
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What's the best way to get the current URL in Spring MVC?
I'd like to create URLs based on the URL used by the client for the active request. Is there anything smarter than taking the current HttpServletRequest object and it's getParameter...() methods to rebuilt the complete URL including (and only) it's GET parameters.
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Joining two lists together
...edits a list in place, adding the second list to it (as if you called .Add(foo) a bunch of times). The Concat and Union extension methods don't change the original list. They lazily construct a new IEnumerable and won't even access the original list members unless necessary. As noted, Union removes ...
Why does Python use 'magic methods'?
I've been playing around with Python recently, and one thing I'm finding a bit odd is the extensive use of 'magic methods', e.g. to make its length available, an object implements a method, def __len__(self) , and then it is called when you write len(obj) .
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