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MySQL Error 1215: Cannot add foreign key constraint
...new schema onto my db server, but I can't figure out why I am getting this error. I've tried to search for the answer here, but everything I've found has said to either set the db engine to Innodb or to make sure the keys I'm trying to use as a foreign key are primary keys in their own tables. I h...
How to recursively list all the files in a directory in C#?
...und the inner foreach loop otherwise it does not continue of access denied errors
– Shaun Vermaak
Feb 27 '17 at 15:26
3
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How to drop all tables in a SQL Server database?
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I am getting error Could not find stored procedure 'sp_MSForEachTable'.
– Korayem
Apr 27 '16 at 4:29
2
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What is a difference between
...nts.add(1);
myInts.add(2);
List<Number> myNums = myInts; //compiler error
myNums.add(3.14); //heap pollution
If the Java compiler does not stop you from doing this, the runtime type system cannot stop you either, because there is no way, at runtime, to determine that this list was supposed t...
Meaning of epsilon argument of assertEquals for double values
...epsilon would be 0 (100% accuracy, no exceptions). If you want a margin of error (say for degrees) you could set epsilon to 1 meaning that, for example, 64.2° is the same as 64.8° (since abs(64.8-64.2) < 1)
– Pieter De Bie
Sep 25 '15 at 8:14
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Strangest language feature
... id : 1234,
title : 'Tony the Pony'
};
returns undefined is a syntax error due to the sneaky implicit semicolon insertion on the newline after return. The following works as you would expect though:
return {
id : 1234,
title : 'Tony the Pony'
};
Even worse, this one works as well (i...
Why are my PowerShell scripts not running?
I wrote a simple batch file as a PowerShell script, and I am getting errors when they run.
9 Answers
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1
...luding using string.encode('utf-8') and unicode(string) , but I get the error:
16 Answers
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javac is not recognized as an internal or external command, operable program or batch file [closed]
I am experiencing an error while trying to compile Java programs.
6 Answers
6
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Why is Android Studio reporting “URI is not registered”? [closed]
...default 'hello world' example layout, and I got an "URI is not registered" error on the following lines:
27 Answers
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