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Why is inserting in the middle of a linked list O(1)?
According to the Wikipedia article on linked lists , inserting in the middle of a linked list is considered O(1). I would think it would be O(n). Wouldn't you need to locate the node which could be near the end of the list?
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Is there a way of making strings file-path safe in c#?
My program will take arbitrary strings from the internet and use them for file names. Is there a simple way to remove the bad characters from these strings or do I need to write a custom function for this?
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How to get number of entries in a Lua table?
Sounds like a "let me google it for you" question, but somehow I can't find an answer. The Lua # operator only counts entries with integer keys, and so does table.getn :
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What is the difference between the bridge pattern and the strategy pattern?
... the Bridge pattern. However, these two
design patterns aren't the same in
their intent. While the Strategy
pattern is meant for behavior, the
Bridge pattern is meant for structure.
The coupling between the context and
the strategies is tighter than the
coupling between the abstrac...
How do I create a crontab through a script
...to add a cron job thru a script I run to set up a server. I am currently using Ubuntu. I can use crontab -e but that will open an editor to edit the current crontab. I want to do this programmatically.
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Build Android Studio app via command line
...udio app (the Gradle build system), but I want to do this via the command line.
12 Answers
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Jenkins / Hudson environment variables
I am running Jenkins from user jenkins thats has $PATH set to something and when I go into Jenkins web interface, in the System Properties window ( http://$host/systemInfo ) I see a different $PATH .
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How to convert String to Long in Kotlin?
So, due to lack of methods like Long.valueOf(String s) I am stuck.
11 Answers
11
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Looping a video with AVFoundation AVPlayer?
Is there a relatively easy way of looping a video in AVFoundation?
17 Answers
17
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What is the easiest way to remove all packages installed by pip?
I'm trying to fix up one of my virtualenvs - I'd like to reset all of the installed libraries back to the ones that match production.
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