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Many-to-many relationship with the same model in rails?
...documentation on the subject. There's a section called “Many-to-many”, and of course the documentation on the class methods themselves.
Simplest scenario, uni-directional, no additional fields
This is the most compact in code.
I'll start out with this basic schema for your posts:
create_tabl...
SQL SELECT speed int vs varchar
I'm in the process of creating a table and it made me wonder.
9 Answers
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Maintain model of scope when changing between views in AngularJS
I am learning AngularJS. Let's say I have /view1 using My1Ctrl , and /view2 using My2Ctrl ; that can be navigated to using tabs where each view has its own simple, but different form.
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SQL Server reports 'Invalid column name', but the column is present and the query works through mana
...ables with the same name. One is owned by the schema 'dbo' (dbo.PerfDiag), and the other is owned by the default schema of the account used to connect to SQL Server (something like userid.PerfDiag).
When you have an unqualified reference to a schema object (such as a table) — one not qualified by...
Classes vs. Modules in VB.NET
...C# static classes. When your class is designed solely for helper functions and extension methods and you don't want to allow inheritance and instantiation, you use a Module.
By the way, using Module is not really subjective and it's not deprecated. Indeed you must use a Module when it's appropriate...
Floating point vs integer calculations on modern hardware
I am doing some performance critical work in C++, and we are currently using integer calculations for problems that are inherently floating point because "its faster". This causes a whole lot of annoying problems and adds a lot of annoying code.
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How can I stage and commit all files, including newly added files, using a single command?
How can I stage and commit all files, including newly added files, using a single command?
12 Answers
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Python list directory, subdirectory, and files
I'm trying to make a script to list all directory, subdirectory, and files in a given directory.
I tried this:
7 Answers
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IntelliJ beginning of file keyboard shortcut
...ove to the beginning of a file? I checked IntelliJ's Keymap for Mac OS X and it doesn't list anything for navigating to the start of a file.
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Seedable JavaScript random number generator
The JavaScript Math.random() function returns a random value between 0 and 1, automatically seeded based on the current time (similar to Java I believe). However, I don't think there's any way to set you own seed for it.
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