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Why is quicksort better than mergesort?
I was asked this question during an interview. They're both O(nlogn) and yet most people use Quicksort instead of Mergesort. Why is that?
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When is the finalize() method called in Java?
...unless there's something specific you need it for" - uh, that sentence applies to 100% of everything, so isn't helpful. Joachim Sauer's answer is much better
– B T
Mar 7 '13 at 21:37
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How to get and set the current web page scroll position?
...nd this: articles.sitepoint.com/article/javascript-from-scratch/6 and modified the getScrollingPosition() to store the values in hidden variables. Then in the html of the refreshed page I use <body onLoad="window.scrollTo(x,y), where x and y are those from the hidden values values!
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Running bash script from within python
...search path, you may also need to add ./ or some other appropriate path. (Ie, change "sleep.sh" to "./sleep.sh".)
The shell=True parameter is not needed (under a Posix system like Linux) if the first line of the bash script is a path to a shell; for example, #!/bin/bash.
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Check if item is in an array / list
...whatever
This works for any collection, not just for lists. For dictionaries, it checks whether the given key is present in the dictionary.
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In-place edits with sed on OS X
... Same here with Mac OS Catalina. Passing both -i and -e separately (NOT -ie together!) creates a backup file with '-e' appended.
– Daniel Kesner
Apr 20 at 19:27
add a commen...
How do I toggle an ng-show in AngularJS based on a boolean?
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Is the ng-init necessary?
– Charlie Schliesser
Aug 13 '14 at 16:20
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@Charlie...
Ruby on Rails: How do I add placeholder text to a f.text_field?
How can I add placeholder text to my f.text_field fields so that the text comes pre-written by default, and when a user click inside the fields, the text goes away - allowing the user to type in the new text?
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Does Python have a package/module management system?
...ard package manager. You can install a package like this:
pip install httpie
Wahey! This is the best feature of any Python release. It makes the community's wealth of libraries accessible to everyone. Newbies are no longer excluded from using community libraries by the prohibitive difficulty of s...
Absolute positioning ignoring padding of parent
... code. No clean way to do it with just CSS.
– Dylan Pierce
Mar 7 '17 at 16:40
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