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How to remove the lines which appear on file B from another file A?
I have a large file A (consisting of emails), one line for each mail. I also have another file B that contains another set of mails.
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How to compare 2 files fast using .NET?
Typical approaches recommend reading the binary via FileStream and comparing it byte-by-byte.
18 Answers
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Passing a URL with brackets to curl
If I try to pass a URL to curl that contains brackets, it fails with an error:
2 Answers
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Read input from console in Ruby?
I want to write a simple A+B program in ruby, but I have no idea how to work with the console.
5 Answers
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How to “EXPIRE” the “HSET” child key in redis?
I need to expire all keys in redis hash, which are older than 1 month.
11 Answers
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Aligning a float:left div to center?
I want to have a group of images display horizontally across the page. Each image has a few link below it so I need to put a container around each image/link-group.
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How to draw a path on a map using kml file?
Can I parse kml file in order to display paths or points in Android? Please could you help me with that?
4 Answers
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How to create json by JavaScript for loop?
I have array of select tag.
5 Answers
5
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How to check if field is null or empty in MySQL?
I am trying to figure out how to check if a field is NULL or empty . I have this:
7 Answers
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How to find an available port?
I want to start a server which listen to a port. I can specify port explicitly and it works. But I would like to find a port in an automatic way. In this respect I have two questions.
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