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Rails has_and_belongs_to_many migration
...First run your migrations, then edit the generated migration file.
Rails 3
rails g migration create_restaurants_users_table
Rails 4:
rails g migration create_restaurants_users
Rails 5
rails g migration CreateJoinTableRestaurantUser restaurants users
From the docs:
There is also a gene...
What's the difference between console.dir and console.log?
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359
In Firefox, these function behave quite differently: log only prints out a toString representa...
How to print the values of slices
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173
You can try the %v, %+v or %#v verbs of go fmt:
fmt.Printf("%v", projects)
If your array (or ...
How do I import .sql files into SQLite 3?
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From a sqlite prompt:
sqlite> .read db.sql
Or:
cat db.sql | sqlite3 database.db
Also, your SQL is invalid - you need ; on the end of your statements:
create table server(name varchar(50),ipaddress varchar(15),id init);
create table client(name varchar(50),ipaddress varchar(15),id init);
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What should Xcode 6 gitignore file include?
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3 Answers
3
Active
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File extension for PowerShell 3
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133
PowerShell files for all versions are .ps1 (or .psm1, .psd1, etc.).
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Short description of the scoping rules?
...ctually, a concise rule for Python Scope resolution, from Learning Python, 3rd. Ed.. (These rules are specific to variable names, not attributes. If you reference it without a period, these rules apply.)
LEGB Rule
Local — Names assigned in any way within a function (def or lambda), and not decl...
jQuery - multiple $(document).ready …?
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356
All will get executed and On first Called first run basis!!
<div id="target"></div&g...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...e (just don't look at me when they're not as fast :)
Options
Low Memory (32-bit int, 32-bit machine)(from here):
unsigned int
reverse(register unsigned int x)
{
x = (((x & 0xaaaaaaaa) >> 1) | ((x & 0x55555555) << 1));
x = (((x & 0xcccccccc) >> 2) | ((x & ...