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Replace multiple characters in one replace call
Very simple little question, but I don't quite understand how to do it.
14 Answers
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Computed read-only property vs function in Swift
...ons (or methods) when actual work is being done. Maybe something has to be computed or read from disk or from a database: In this case I use a function, even when only a simple value is returned. That way I can easily see whether a call is cheap (properties) or possibly expensive (functions).
We w...
When should the volatile keyword be used in C#?
...good article on Double Checked Locking, and briefly touches on this topic:
http://en.wikipedia.org/wiki/Double-checked_locking
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Deadly CORS when http://localhost is the origin
...me Extension to go around this issue. The extension will add the necessary HTTP Headers for CORS:
Access-Control-Allow-Origin: *
Access-Control-Allow-Methods: "GET, PUT, POST, DELETE, HEAD, OPTIONS"
Access-Control-Expose-Headers: <you can add values here>
The source code is published on Git...
Error while installing json gem 'mkmf.rb can't find header files for ruby'
...is no ruby development environment installed. Development env is needed to compile ruby extensions, which are mostly written in C. Proxy has nothing to do with the problem: everything is downloaded fine, just compilation fails.
I would suggest you to install ruby-dev (ruby-devel for rpm-based distr...
Secure hash and salt for PHP passwords
... address as suggested in first answer.
More explanation is available at- http://www.pivotalsecurity.com/blog/password-hashing-salt-should-it-be-random/
Recently I had a discussion whether password hashes salted with random
bits are more secure than the one salted with guessable or known
sa...
Does every web request send the browser cookies?
...d path defined in the cookie (and all of the other restrictions -- secure, httponly, not expired, etc) hold, then the cookie will be sent for every request.
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In what cases will HTTP_REFERER be empty
I know it's possible to get an empty HTTP_REFERER. Under what circumstances does this happen? If I get an empty one, does it always mean that the user changed it? Is getting an empty one the same as getting a null one? and under what circumstances do I get that too?
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Unix command-line JSON parser? [closed]
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If you're looking for a portable C compiled tool:
http://stedolan.github.com/jq/
From the website:
jq is like sed for JSON data - you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play wit...
How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
How do you convert a Unix timestamp (seconds since epoch) to Ruby DateTime?
6 Answers
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