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I have a document with words as
spring
season
bank
Now I want to check if these words for present in several documents, lets say 10 documents. Input and the list of documents should be user defined. can anyone suggest me how to proceed?
what about grep?
grep -REic 'spring|season|bank' file1.txt file2.txt ...
check out man grep for more options.
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Closed 2 years ago.
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I want to store massive amounts of data, specifically the amount of text equivalent to a book. How can I go about this? Is there a type of data storage that makes this process faster/easier (aka is fit) for this type of operation?
There are limits, but not that much. A single database can have (with default configurations) over a billion tables and each table can be 32TB in size.
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Closed 5 years ago.
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I want to convert a string ordinal to a number in perl
I have searched but not get exact answer.
Example: if the input is
one it should be 1.
five hundred it should be 500.
three hundred it should be 300.
Is there any module to do this?
One of the best parts of Perl is CPAN and, sure enough, a couple minutes of poking around on metacpan turned up the Lingua::EN::Words2Nums module:
use Lingua::EN::Words2Nums;
$num=words2nums("two thousand and one");
$num=words2nums("twenty-second");
$num=words2nums("15 billion, 6 million, and ninteen");
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Closed 3 years ago.
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I have a problem with a stored procedure.
The procedure gets as an argument the number of rows needed, but the following does not work in HANA:
SELECT TOP :NUM_OF_ROWS * FROM TABLE_NAME
I read that TOP in HANA only receives a number, not an expression. Is there another way to do this? My solution for the moment is to select everything and delete the unneeded records on the service, but it's not very efficient.
Instead of TOP n you can use the LIMIT n option.
That one can bind variables.
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Closed 6 years ago.
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I noticed that Slack uses ID's of the form U023BECGF, and not the standard f3a7a018-02da-4cdb-944c-44d073536648 you often see
What is the reasoning for this?
The code you put in your question (U023BECGF) is not a valid or complete UUID. UUIDs are 16 bytes (octets) which are represented as 32 characters of hexadcimal as standard: RFC: https://www.ietf.org/rfc/rfc4122.txt
Under no encoding is U023BECGF a representation of a 16 bytes; it's too short.
It is plausable that these keys could be incorperated into a UUID but they are not one in themselvs.
The usual reason for smaller fields is storing less data.
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Closed 11 years ago.
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What speed optimization techniques do antiviruses use today to scan a file, provided they have to check for all the signatures + the behavioral scan?
I'm not a antivirus programmer, but I think the scan engine scans through a file searching for known pattern inside. The greater number of patterns it can identify, the longer it will take to scan.
Optimization maybe similar to database optimization, with patterns indexing.
Identification Methods