In our project we need to import the csv file to postgres. There are multiple types of files meaning the length of the file changes as some files are with fewer columns and some with all of them.
I have a longitudinal data set generated by a computer simulation that can be represented by the following tables (\'var\' are variables):
When you search something in Stackoverflow it cuts the portion of the question descriptio开发者_高级运维n that best matches your criteria and after that it marks the criteria words.
I am looking开发者_运维知识库 for information as to how distributed checksum applications like Vipul\'s razor, Pyzor or DCC works? I have a similar requirement where I can use such a distributed check
I want to learn Sed. Can you please point me to good references so that I can fully utilize it. I want to learn it to perform more of the do-once-then-forget type administrative or dev-tools like ta
I\'ve got a list containing positions of text additions and deletions, like this: TypePositionText/Length
How can I split a large text file into separate files by character count using PHP? So a 10,000 character file split every 1000 characters would be split into 10 files. Further, can I split only after
I have a file where i have multiple recordswith such data F00DY4302B8JRQ rank=0000030 x=800.0 y=1412.0 length=89
I\'ve written a Ruby script that is reading a file (File.read()) that contains unicode characters, and it works f开发者_如何转开发ine from the command line.
do you know about an effective method for extracting key sentences from a text with their frequency parameters, etc 开发者_如何学编程and that can also do \"stemming\" (search also for similar sentence