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Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABL...
运行故障：edu.mit.appinventor aicompanion3: Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be specified when creating a PendingIntent. Strongly consider using FLAG IMMUTABLE, only use FLAG_MUTABLE if some functionality depends on the PendingIntent being ...
Call to ‘set-and-coerce-property!’ has too few arguments (3; must be...
编译apk，报错：Call to ‘set-and-coerce-property!’ has too few arguments (3; must be 4)
原因是因为代码块有问题/报错，有空的地方没有填值，比如这种：
参考：https://community.appinventor.mi ... 3-must-be-4/20690/4
又学习到了新bug的解决方法...
Service and Characteristic are not published by the connected device -...
Service and Characteristic are not published by the connected device，报错如下：
问题原因：硬件/蓝牙芯片问题导致的，比如A硬件测试好的，换了B硬件没有修改uuid，就出现这个报错。
由于B硬件没有发布这些特征，就会报这个错误。
Naming of ID columns in database tables
... id you are making reporting that much more difficult. It obscures meaning and makes complex queries harder to read as well as requiring you to use aliases to differentiate on the report itself.
Further if someone is foolish enough to use a natural join in a database where they are available, you ...
Merge multiple lines (two blocks) in Vim
I'd like to merge two blocks of lines in Vim, i.e. take lines n..m and append them to lines a..b . If you prefer a pseudocode explanation: [a[i] + b[i] for i in min(len(a), len(b))]
...
RSS Feeds in ASP.NET MVC
How would you reccommend handling RSS Feeds in ASP.NET MVC? Using a third party library? Using the RSS stuff in the BCL? Just making an RSS view that renders the XML? Or something completely different?
...
How can I get Express to output nicely formatted HTML?
...ress 3.x
app.configure('development', function(){
app.use(express.errorHandler());
app.locals.pretty = true;
});
Express 2.x
app.configure('development', function(){
app.use(express.errorHandler());
app.set('view options', { pretty: true });
});
I put the pretty print in development be...
Run a PostgreSQL .sql file using command line arguments
I have some .sql files with thousands of INSERT statements in them and need to run these inserts on my PostgreSQL database in order to add them to a table. The files are that large that it is impossible to open them and copy the INSERT statements into an editor window and run them there. I found on ...
How to HTML encode/escape a string? Is there a built-in?
... want to show as text in an HTML page. I need to escape the chars ' < ' and ' & ' as HTML entities. The less fuss the better.
...
Node.js: what is ENOSPC error and how to solve?
I have a problem with Node.js and uploading files to server. For uploading files to server I use this plugin . When starting file upload to the server, Node.js process crashed and show error:
...