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How to get started on TDD with Ruby on Rails? [closed]
...ed testing are: A contact can be linked to 1 company, A company can have multiple contacts, create ways to create contacts, and link contacts to companies.
class CompanyTest <Test::Unit
def test_relationship # test associations/relationships
c = companies(:some_company)
ass...
Should I use JSLint or JSHint JavaScript validation? [closed]
...about whether to change the code to resolve the warning or not.
With the ultra-strict ruleset of JSLint from 2011, this was reasonable advice -- I've seen very few JavaScript codesets that could pass a JSLint test. However with the more pragmatic rules available in today's JSHint and ESLint tools, ...
Easy way to concatenate two byte arrays
... ); - you don't have to go back and edit the line where you create the result byte array. Also, re-ordering the arrays is simple, unlike using the arraycopy method.
– Wayne Uroda
Aug 27 '12 at 11:38
...
Java synchronized static methods: lock on object or class
...he same class, both cannot execute at the same time, even when there are multiple instances of that class. The locking is essentially the same as locking on the Object.class for each synchronized method.
– Steven
Oct 16 '12 at 23:36
...
Convert a Unix timestamp to time in JavaScript
...12452
// Create a new JavaScript Date object based on the timestamp
// multiplied by 1000 so that the argument is in milliseconds, not seconds.
var date = new Date(unix_timestamp * 1000);
// Hours part from the timestamp
var hours = date.getHours();
// Minutes part from the timestamp
var minu...
Adding a column to an existing table in a Rails migration
...d_email_to_users email:string produces a migration like this
class AddEmailToUsers < ActiveRecord::Migration[5.0]
def change
end
end
In that case you have to manually an add_column to change:
class AddEmailToUsers < ActiveRecord::Migration[5.0]
def change
add_column :users, :emai...
How do you print in a Go test using the “testing” package?
...(c *T) Log(args ...interface{})
Log formats its arguments using default formatting, analogous to Println, and records the text in the error log. For tests, the text will be printed only if the test fails or the -test.v flag is set. For benchmarks, the text is always printed to avoid having per...
PHP Session Fixation / Hijacking
...nt session hijacking. You can however put steps in to make it very difficult and harder to use.
Use a strong session hash identifier: session.hash_function in php.ini. If PHP < 5.3, set it to session.hash_function = 1 for SHA1. If PHP >= 5.3, set it to session.hash_function = sha256 or se...
Byte array to image conversion
...elFormat) / 8;
var ptr = bmpData.Scan0;
for (var i = 0; i < height; i++)
{
Marshal.Copy(arr, i * arrRowLength, ptr, arrRowLength);
ptr += bmpData.Stride;
}
output.UnlockBits(bmpData);
return output;
}
}
To illustrate w...
gcc makefile error: “No rule to make target …”
...forgot to include the directory in which the source file resides. As a result, gcc "thinks" this file does not exist.
You can add the directory using the -I argument to gcc.
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