大约有 47,000 项符合查询结果（耗时：0.0570秒） [XML]
界面布局组件 · App Inventor 2 中文网
创建 Apps 首页 关于我们 关于我们 发布日志 服务条款 教育 中文教程 中文社区 反馈 我要反馈
界面...
Getting “type or namespace name could not be found” but everything seems ok?
...f a .Net framework version incompatibility between two projects.
It can happen in two ways:
a client profile project referencing a full framework project; or
an older framework version targeting a newer framework version
For example it will happen when an application is set to target the .Ne...
How do I get the height and width of the Android Navigation Bar programmatically?
...
Thanks. +1. Do you know how stable this approach is? Are the resource identifiers going to be subject to change across different platform versions?
– Ben Pearson
Oct 30 '14 at 19:10
...
Activity has leaked ServiceConnection @438030a8 that was original
I'm working on my first Android app. I've got three activities in my app, and the user switches back and forth pretty frequently. I've also got a remote service, which handles a telnet connection. The apps need to bind to this service in order to send/receive telnet messages.
...
What is 'Context' on Android?
...it simply:
As the name suggests, it's the context of current state of the application/object. It lets newly-created objects understand what has been going on. Typically you call it to get information regarding another part of your program (activity and package/application).
You can get the context...
express 4.0 , express-session with odd warning message
I am trying to work through setting up a nodejs app using express 4.x. After stumbling through the middleware-removal issues, I finally got it working.
...
if a ngSrc path resolves to a 404, is there a way to fallback to a default?
The application I'm building requires my user to set 4 pieces of information before this image even has a chance of loading. This image is the center-piece of the application, so the broken image link makes it look like the whole thing is borked. I'd like to have another image take its place on a 4...
When to use PNG or JPG in iPhone development?
I have an app that will display a bunch of images in a slideshow. Those images will be part of the bundle, thus distributed with the app.
...
The located assembly's manifest definition does not match the assembly reference
I am trying to run some unit tests in a C# Windows Forms application (Visual Studio 2005), and I get the following error:
5...
Why do loggers recommend using a logger per class?
...on't have one logger per class, but instead have one logger for the entire app, you need to resort to more reflection tricks to know where the log messages are coming from.
Compare the following:
Log per class
using System.Reflection;
private static readonly ILog _logger =
LogManager.GetLog...