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AI伴侣现已正式升级为“AppInventor学院”App！ - App Inventor 2 中文网 -...
// 新App特色 //
100%由AppInventor2开发完成的“AppInventor学院”App已正式上线，包含AI伴侣的所有功能，另外添加或集成了AI问答、在线视频课程及移动社区等功能。这款App也将承载大家对于AppInventor能打造什么样的App效果的一个期待...
What's the difference between a catalog and a schema in a relational database?
I used to think schema were the "upper wrapper" object before the database itself.
I mean DB.schema.<what_ever_object_name_under_schema> .
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Where can I find my Facebook application id and secret key?
In my Facebook account, where can I find these application IDs, secret key, all?
7 Answers
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Send and receive messages through NSNotificationCenter in Objective-C?
...onCenter defaultCenter] is meant to placed. Is it best to place it in your AppDelegate?
– fulvio
Jan 12 '11 at 6:17
14
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node and Error: EMFILE, too many open files
...test the number of files that were opened after doing various events in my app.
lsof -i -n -P | grep "8465" | wc -l
# lsof -i -n -P | grep "nodejs.*8465" | wc -l
28
# lsof -i -n -P | grep "nodejs.*8465" | wc -l
31
# lsof -i -n -P | grep "nodejs.*8465" | wc -l
34
What is your process limit?
ulimit ...
Why Android Studio says “Waiting For Debugger” if am NOT debugging?
...with Android Studio. Since last night, when I Run my project on my device, appear the message "Waiting For Debugger". It is a very strange behavior because I am not debugging application.
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How to access the GET parameters after “?” in Express?
...ET /something?color1=red&color2=blue
Then in express, the handler:
app.get('/something', (req, res) => {
req.query.color1 === 'red' // true
req.query.color2 === 'blue' // true
})
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Why does my Spring Boot App always shutdown immediately after starting?
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Resolution: the app is not a webapp because it doesn't have an embedded container (e.g. Tomcat) on the classpath. Adding one fixed it. If you are using Maven, then add this in pom.xml:
<dependency>
<groupId>org.springframewo...
Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
I'm developing an app on Heroku with a Postgresql backend. Periodically, I get this error message when trying to access the database, both from the CLI and from loading a page on the server:
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Run php script as daemon process
...me other alternatives suitable for my case. Any information will be really appreciated.
14 Answers
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