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If strings are immutable in .NET, then why does Substring take O(n) time?
Given that strings are immutable in .NET, I'm wondering why they have been designed such that string.Substring() takes O( substring.Length ) time, instead of O(1) ?
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Read only file system on Android
I recently rooted my Droid X and everything seems to be working perfectly. I made some changes to build.prop and when I do adb push build.prop /system/ I get the following error: failed to copy 'c:\build.prop' to '/system//build.prop': Read-only file system .
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Why is std::map implemented as a red-black tree?
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Get last element of Stream/List in a one-liner
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What's the difference between console.dir and console.log?
In Chrome the console object defines two methods that seem to do the same thing:
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Should I use 'has_key()' or 'in' on Python dicts?
I wonder what is better to do:
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Javascript reduce() on Object
There is nice Array method reduce() to get one value from the Array. Example:
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How to flatten tree via LINQ?
So I have simple tree:
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What's the canonical way to check for type in Python?
What is the best way to check whether a given object is of a given type? How about checking whether the object inherits from a given type?
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How to create a bash script to check the SSH connection?
I am in the process of creating a bash script that would log into the remote machines and create private and public keys.
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