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What is better, adjacency lists or adjacency matrices for graph problems in C++?
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It depends on the problem.
Adjacency Matrix
Uses O(n^2) memory
It is fast to lookup and check for presence or absence of a specific edge
between any two nodes O(1)
It is slow to iterate over all edges
It is slow to add/delete a node; a complex operation O(n^2)
It is ...
How to change letter spacing in a Textview?
...er spacing in a textview?
Will it help if I have HTML text in it (I cannot use webview in my code).
8 Answers
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Favorite Visual Studio keyboard shortcuts [closed]
What is your favorite Visual Studio keyboard shortcut? I'm always up for leaving my hands on the keyboard and away from the mouse!
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Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied
How to I get mongo to use a mounted drive on ec2? I really do not understand. I attached a volume on ec2 formatted the drive as root and start as root and yet as root I cant access? I am running on ubuntu 12.04. No other mongo is running
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Convert int to char in java
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int a = 1;
char b = (char) a;
System.out.println(b);
will print out the char with ascii value 1 (start-of-heading char, which isn't printable).
int a = '1';
char b = (char) a;
System.out.println(b);
will print out the char with ascii value 49 (one correspond...
When is JavaScript's eval() not evil?
I'm writing some JavaScript code to parse user-entered functions (for spreadsheet-like functionality). Having parsed the formula I could convert it into JavaScript and run eval() on it to yield the result.
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How to run two jQuery animations simultaneously?
Is it possible to run two animations on two different elements simultaneously? I need the opposite of this question Jquery queueing animations .
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SQL - Update multiple records in one query
I have table - config .
Schema:
config_name | config_value
9 Answers
9
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How do you search for files containing DOS line endings (CRLF) with grep on Linux?
I want to search for files containing DOS line endings with grep on Linux. Something like this:
9 Answers
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Selenium: FirefoxProfile exception Can't load the profile
Per this previous question I updated Selenium to version 2.0.1
But now I have another error, even when the profile files exist under /tmp/webdriver-py-profilecopy :
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