大约有 45,000 项符合查询结果（耗时：0.0550秒） [XML]
How is attr_accessible used in Rails 4?
...
Rails 4 now uses strong parameters.
Protecting attributes is now done in the controller. This is an example:
class PeopleController < ApplicationController
def create
Person.create(person_params)
end
private
def pe...
Programming with white text on black background?
...lets the font (the writing) to project to fore and subdues the background. Now ask yourself is it dark on light that does this or light on dark? Here is the key, in that advocates who vouch for similarity with print suggesting that black outshines the white on paper, is blind to the fact that it is ...
using facebook sdk in Android studio
... before Facebook offered Gradle build files for the distribution. I don't know in which version of the SDK they made that change.
Facebook's instructions under "Import the SDK into an Android Studio Project" on their https://developers.facebook.com/docs/getting-started/facebook-sdk-for-android-usin...
Why does Java's Arrays.sort method use two different sorting algorithms for different types?
...g to Java 7 API docs cited in this answer, Arrays#Sort() for object arrays now uses TimSort, which is a hybrid of MergeSort and InsertionSort. On the other hand, Arrays#sort() for primitive arrays now uses Dual-Pivot QuickSort. These changes were implemented starting in Java SE 7.
...
How can I set the max-width of a table cell using percentages?
...
Actually max-width works in Safari and Chrome now. I am not sure how long it has been supported for.
– Jay
Aug 30 '19 at 6:36
add a comment
...
Case statement with multiple values in each 'when' block
...
I don't know why, but this strange situation happens: When I write this: when "toyota", "lexus", I get: unexpected tSTRING_BEG, expecting keyword_do or '{' or '(' (SyntaxError). However, when I write this: when "toyota","lexus", it...
pass **kwargs argument to another function with **kwargs
...
now I get it. I thought keywords and dict were the same thing.
– user945967
Mar 26 '12 at 6:41
13
...
Running shell command and capturing the output
...ompared to the old way of doing things. But I think it's worth the payoff: now you can do almost anything you need to do with the run function alone.
Older versions of Python (2.7-3.4): check_output
If you are using an older version of Python, or need modest backwards compatibility, you can probab...
What is ViewModel in MVC?
...ployee. This list of departments will come from your Departments table. So now you have data from the Employees and Departments tables in one view model. You will just then need to add the following two properties to your view model and populate it with data:
public int DepartmentId { get; set; }
...
How to import and use different packages of the same name in Go language?
...
import (
"text/template"
htemplate "html/template" // this is now imported as htemplate
)
Read more about it in the spec.
share
|
improve this answer
|
follow
...