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using awk with column value conditions
I'm learning awk from The AWK Programming Language and I have a problem with one of the examples.
6 Answers
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Save An Image To Application Documents Folder From UIView On IOS
I have a UIImageView that allows a user to place and hold an image until it can be saved. The problem is, I can't figure out how to actually save and retrieve the image I've placed in the view.
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Using semicolon (;) vs plus (+) with exec in find
Why is there a difference in output between using
6 Answers
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Rspec doesn't see my model Class. uninitialized constant error
I'm writing tests on Rspec for my models in Ruby on Rails application.
And I receive this error while starting 'rspec spec'
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Force LF eol in git repo and working copy
I have a git repository hosted on github. Many of the files were initially developed on Windows, and I wasn't too careful about line endings. When I performed the initial commit, I also didn't have any git configuration in place to enforce correct line endings. The upshot is that I have a number of ...
Use URI builder in Android or create URL with variables
I'm developing an Android app. I need to build a URI for my app to make an API request. Unless there's another way to put a variable in a URI, this is the easiest way I've found. I found that you need to use Uri.Builder , but I'm not quite sure how to. My url is:
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Equivalent of strace -feopen < command > on mac os X
This is useful for debugging (hence programming related). On linux, we can use the command
1 Answer
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Output to the same line overwriting previous output?
I am writing an FTP downloader. Part of to the code is something like this:
8 Answers
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How do you create a random string that's suitable for a session ID in PostgreSQL?
I'd like to make a random string for use in session verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this?
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How to jump to a particular line in a huge text file?
Are there any alternatives to the code below:
16 Answers
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