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Does ruby have real multithreading?
...un one thread at a
time.
However, any number of C Threads (POSIX Threads etc.) can run
in parallel to the Ruby Thread, so external C Libraries, or MRI
C Extensions that create threads of their own can still run in
parallel.
The second implementation is YARV (short for "Yet
Another Ruby VM"). Y...
Converting an array of objects to ActiveRecord::Relation
...Indicator class methods (those of the def self.subjects variety, scopes, etc) on this array. The only way I know to run class methods on a group of objects is to have them be an ActiveRecord::Relation. So I end up resorting to adding a to_indicators method to Array .
...
Is there a way to crack the password on an Excel VBA Project?
...he source modules but receive another error when trying to open forms/code/etc. To remedy this, go back to the VBA Project Properties and set the password to a new value. Save and re-open the Excel document and you should be good to go!
...
Is it possible to decrypt MD5 hashes?
...change their password (with extra checking if you have a security question/etc) and then the new password is hashed and replaced with old password in database
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How to show all privileges from a user in oracle?
...n, like the object, the privilege, whether it's through a particular role, etc. just by changing that one WHERE clause.
It's a single query, meaning I don't have to mentally compose the results together.
It resolves the issue of whether they can grant the privilege or not and whether it includes the...
Is there a way to instantiate objects from a string holding their class name?
... project to port old MacApp to C++ and X11. In the effort of it Eric Gamma etc started to think about Design Patterns
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Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
...g trails. use logs for access to the server room, use cameras if you can, etc... Another measure is to encrypt the credit card information in the database. This makes sure that the data can only be viewed in your application where you can enforce who sees the information.
I use pfsense for my fi...
Why do I need Transaction in Hibernate for read-only operations?
...do or don't want to read uncommitted changes, be exposed to phantom reads, etc.
To sum up - you can go both ways, but you need to understand consequences.
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Why does Twitter Bootstrap Use Pixels for Font Size?
...a great tool for prototyping and for non-public facing pages - admin areas etc. It can also be a great tool for public-facing sites if the person using it understands how to style beyond its defaults. Like any tool it is easily abused, and I suppose the ease of use is what results in the amount of (...
Why Func instead of Predicate?
...now what "predicate" means - otherwise you need to look at object-browser (etc) to find the signatute.
Conversely Func<T,bool> follows a standard pattern; I can immediately tell that this is a function that takes a T and returns a bool - don't need to understand any terminology - just apply ...