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puts vs logger in rails rake tasks
...ils) && (Rails.env == 'development')
Rails.logger = Logger.new(STDOUT)
end
This is Rails 3 code. Note that this will override logging to development.log. If you want both STDOUT and development.log you'll need a wrapper function.
If you'd like this behaviour only in the Rails console, p...
Files showing as modified directly after a Git clone
... The offending line in .gitattributes came from Mathias Bynen's dotfiles, in case anyone else comes across this.
– SeanPONeil
Mar 19 '13 at 14:21
32
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“Single-page” JS websites and SEO
...owerful "single-page" JavaScript websites nowadays. In my opinion, this is done right by letting the server act as an API (and nothing more) and letting the client handle all of the HTML generation stuff. The problem with this "pattern" is the lack of search engine support. I can think of two soluti...
How can I remove the first line of a text file using bash/sed script?
...how they managed that; tail should just read a file line by line while sed does pretty complex operations involving interpreting a script, applying regular expressions and the like.
Note: You may be tempted to use
# THIS WILL GIVE YOU AN EMPTY FILE!
tail -n +2 "$FILE" > "$FILE"
but this will ...
How to avoid reinstalling packages when building Docker image for Python projects?
My Dockerfile is something like
4 Answers
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How to check that a string is a palindrome using regular expressions?
...the real world, some regexp languages allow for arbitrary functions, these don't count).
It is impossible to build a finite state machine that accepts all palindromes. The proof relies on the facts that we can easily build a string that requires an arbitrarily large number of nodes, namely the stri...
Where is the Keytool application?
...how to run keytool .
Is it installed with eclipse? I can't seem to find a download link.
8 Answers
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How can I replace every occurrence of a String in a file with PowerShell?
...ces of [MYID] in a given file with MyValue . What is the easiest way to do so?
12 Answers
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Real World Example of the Strategy Pattern
...urn the correct strategy instance for the cipher.
I hope this helps.
( I don't even know if Cipher is the right word :P )
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Force browser to download image files on click
I need the browser to download the image files just as it does while clicking on an Excel sheet.
14 Answers
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