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使用模拟器构建应用程序 · 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 中文论坛 反馈 我要反馈 var _hmt = _hmt || []; (function() ...
Class JavaLaunchHelper is implemented in both. One of the two will be used. Which one is undefined [
Have a simple Google App Engine Web Application Project on Eclipse Kepler on Mac OS X with java version "1.7.0_45"
2 Answer...
jsonify a SQLAlchemy result set in Flask [duplicate]
...rror, now I'm getting the error referencing the SQLAlchemy object as in: myapp.models.Rating object at 0x102f25c10> is not JSON serializable. Any clue? The object only contains Strings and Ints.
– mal-wan
Aug 18 '11 at 7:11
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Node.js app can't run on port 80 even though there's no other process blocking the port
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The error code EACCES means you don't have proper permissions to run applications on that port. On Linux systems, any port below 1024 requires root access.
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In Flux architecture, how do you manage Store lifecycle?
I'm reading about Flux but the example Todo app is too simplistic for me to understand some key points.
3 Answers
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How to execute a Python script from the Django shell?
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Another solution that appears to work for both Python 2.x and 3.x is echo 'import myscript' | python manage.py shell. I've found this can be useful for quick-and-dirty scripts that you only need to run once, without having to go through the cumber...
使用App Inventor扩展实现多点触控：Rotation Detector · 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 var _hmt = _hmt || []; (function() ...
How to upload a file in Django? [closed]
As a newbie to Django, I am having difficulty making an upload app in Django 1.3. I could not find any up-to-date example/snippets. May someone post a minimal but complete (Model, View, Template) example code to do so?
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
..._HOME="`/usr/libexec/java_home -v '1.7*'`"
But standard double-clickable application bundles don't use JDKs installed under /Library/Java at all. Old-style .app bundles using Apple's JavaApplicationStub will use Apple Java 6 from /System/Library/Frameworks, and new-style ones built with AppBundle...
Proper use of beginBackgroundTaskWithExpirationHandler
...rtant that you call endBackgroundTask when you're finished - otherwise the app will be killed after its allotted time has expired.
Mine tend look something like this:
- (void) doUpdate
{
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
[self beginBackg...