大约有 2,800 项符合查询结果（耗时：0.0330秒） [XML]
Database development mistakes made by application developers [closed]
...aranteed to point to an entity that exists--you should be using it.
It's quite common to see this failure on MySQL databases. I don't believe MyISAM supports it. InnoDB does. You'll find people who are using MyISAM or those that are using InnoDB but aren't using it anyway.
More here:
How impo...
How should a model be structured in MVC? [closed]
...ou ever need an external API
How to interact with a model?
Prerequisites: watch lectures "Global State and Singletons" and "Don't Look For Things!" from the Clean Code Talks.
Gaining access to service instances
For both the View and Controller instances (what you could call: "UI layer")...
NullPointerException accessing views in onCreate()
...
The tutorial is probably outdated, attempting to create an activity-based UI instead of the fragment-based UI preferred by wizard-generated code.
The view is in the fragment layout (fragment_main.xml) and not in the activity layout (activity_main.xml). onCreate() is too early in the lifecycle to ...
getViewTypeCount and getItemViewType methods of ArrayAdapter
...atement to inflate a different xml file depending on which view type is required.
You fill the view with information.
You return the view, exiting getView, and your row's view is displayed to the user.
Now, when a view is recycled by scrolling off the screen it goes into a recycled views pool that...
TaifunWiFi 拓展：WiFi Manager WiFi管理器扩展 · App Inventor 2 中文网
...具，帮助用户查看、连接和管理WiFi网络：
// 网络管理主界面
when Screen1.Initialize
do
call InitializeNetworkManager
// 定期更新网络状态
when Clock1.Timer
do
call UpdateNetworkStatus
2. 智能家居控制
自动连接到家庭WiFi网络...
How to disable all caps menu titles in Visual Studio
...ut the sentence case issue, thanks for that. It should be fixed in latest build dl.dropbox.com/u/65031070/… It will also be availabe from Visual Studio Gallery soon.
– Jarek Kardas
Sep 11 '12 at 8:01
...
Dilemma: when to use Fragments vs Activities:
...le screen of my application, while Fragments are designed to be reusable UI layouts with logic embedded inside of them.
1...
Set focus on TextBox in WPF from view model
...rong way. Generally speaking it's not a good idea to have any reference to UI in your ViewModel. You can ask "Why?" but this is another question to post on Stackoverflow :).
The best way to track down issues with Focus is... debugging .Net source code. No kidding. It saved me a lot of time many time...
Eclipse ctrl+right does nothing
...creen is to create file in your workspace:
.metadata\.plugins\org.eclipse.ui.intro\introstate
and insert following content:
<?xml version="1.0" encoding="UTF-8"?>
<state reopen="false"/>
share
|
...
How to find available versions for a bower dependency
Let's say I want to include the latest version of jquery-ui in my bower.json. Is there any way of finding out which versions are available?
...