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Build an ASCII chart of the most commonly used words in a given text [closed]
...utions, you can simply pass the filename as argument. (i.e. ruby1.9 wordfrequency.rb Alice.txt)
Since I'm using character-literals here, this solution only works in Ruby 1.9.
Edit: Replaced semicolons by line breaks for "readability". :P
Edit 2: Shtééf pointed out I forgot the trailing space - ...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...// Option 2:
unsigned char * p = (unsigned char *) &v;
unsigned char * q = (unsigned char *) &c;
q[3] = BitReverseTable256[p[0]];
q[2] = BitReverseTable256[p[1]];
q[1] = BitReverseTable256[p[2]];
q[0] = BitReverseTable256[p[3]];
You can extend this idea to 64-bit ints, or trade off memo...
How do I limit the number of returned items?
...ith exec() instead. Therefore, with the mongoose 3.8.1 you'd do this:
var q = models.Post.find({published: true}).sort({'date': -1}).limit(20);
q.exec(function(err, posts) {
// `posts` will be of length 20
});
or you can chain it together simply like that:
models.Post
.find({published: tr...
How do I get the parent directory in Python?
...me is the function for this, like a+=5-4 is more convoluted than a+=1. The question requested only the parent directory, not whether is exists or the true parent directory assuming symbolic links get in the way.
– tzot
May 24 '10 at 12:03
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How can I create a copy of an Oracle table without copying the data?
...Limitations
The following things will not be copied to the new table:
sequences
triggers
indexes
some constraints may not be copied
materialized view logs
This also does not handle partitions
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Delete all the queues from RabbitMQ?
I installed rabbitmqadmin and was able to list all the exchanges and queues. How can I use rabbitmqadmin or rabbitmqctl to delete all the queues.
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Cannot convert lambda expression to type 'string' because it is not a delegate type [duplicate]
I am using a LINQ lambda expression like so:
5 Answers
5
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How can Perl's print add a newline by default?
...nds \n.
You can also use say in Perl 5.10 or 5.12 if you add
use feature qw(say);
to the beginning of your program. Or you can use Modern::Perl to get this and other features.
See perldoc feature for more details.
shar...
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
I had an interesting job interview experience a while back. The question started really easy:
47 Answers
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How to get HTTP Response Code using Selenium WebDriver
I have written tests with Selenium2/WebDriver and want to test if HTTP Request returns an HTTP 403 Forbidden.
9 Answers
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