大约有 46,000 项符合查询结果(耗时:0.0423秒) [XML]
iOS: How to store username/password within an app?
I have a login-screen in my iOS app.
The username and password will be saved in the NSUserDefaults and be loaded into the login-screen again when you enter the app again (of course, NSUserDefaults are permanent).
...
What is two way binding?
...(say, by the user) are immediately reflected in the underlying model. When app data changes, so does the UI, and conversely.
This is a very solid concept to build a web application on top of, because it makes the "Model" abstraction a safe, atomic data source to use everywhere within the applicatio...
Problems with contenttypes when loading a fixture in Django
...use of contenttypes conflicts. First I tried dumping the data from only my app like this:
15 Answers
...
Override devise registrations controller
...can just create your own controller, by generating something like this:
# app/controllers/registrations_controller.rb
class RegistrationsController < Devise::RegistrationsController
def new
super
end
def create
# add custom create logic here
end
def update
super
end
end...
How to “pretty” format JSON output in Ruby on Rails
...
The original poster said nothing about where in a Rails app he wants to use this, so I answered with a line of Ruby that will work anywhere. To use it to generate the JSON response in a Rails controller, you already answered your own question: format.json { render :json => JSO...
Xcode 4.4 error - Timed out waiting for app to launch
...
I had a similar issue when trying to debug an App with Ad-Hoc provisioning...
Check which provisioning you're using, it seems ad-hoc provisioning cannot be used for debugging.
EDIT In fact, it seems only development provisioning profiles are Ok for debugging
...
Error to install Nokogiri on OSX 10.9 Maverick?
...th full XCode Install using:
gem install nokogiri -- --with-xml2-include=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include/libxml2
Update
For those using Yosemite the following command will work:
gem install nokogiri -- --with-xml2-in...
How do I start my app on startup?
...d not work. So what changes do I have to make and to what files to have my app start automatically when Android finishes booting up?
...
How do I make a splash screen?
I wanted to make my app look more professional, so I decided that I wanted to make a splash screen.
34 Answers
...
【视频教程】App Inventor 2 基础组件使用 - App Inventor 2 中文网 - 清泛...
【视频教程】App Inventor 2 基础组件使用app_inventor_2_basic_component_usage<iframe allowfullscreen= \"true \" border= \"0 \" frameborder= \"no \" framespacing= \"0 \" scrolling= \"no \" src= \" player bilibili com player html?aid=652531626&bvid=BV1HY4y127rN&cid=1025709578&page=1&high_qu...