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How many characters can a Java String have?
...];
System.out.println("len: " + len + " OK");
} catch (Error e) {
System.out.println("len: " + len + " " + e);
}
}
}
on Oracle Java 8 update 92 prints
len: 2147483647 java.lang.OutOfMemoryError: Requested array size exceeds VM limit
len: 2147483646 java...
How can I temporarily disable a foreign key constraint in MySQL?
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This doesn't work for me. When I try, I see:ERROR 1228 (HY000): Variable 'foreign_key_checks' is a SESSION variable and can't be used with SET GLOBAL
– Mike B
Dec 9 '16 at 0:25
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Override Python's 'in' operator?
...
MyClass.__contains__(self, item)
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A beginner's guide to SQL database design [closed]
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The Celko book is a study in errors, and furthers the notion of implementing in code, what should be implemented in the database.
– PerformanceDBA
Apr 26 '15 at 2:05
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SQL DROP TABLE foreign key constraint
...not drop object 'a' because it is referenced by a FOREIGN KEY constraint." error.
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How to disable copy/paste from/to EditText
... Hi, I'm using this approach, but I'm getting Type mismatch error with this description Required:ActionMode.Callback! Found: on this part object: ActionMode.Callback. Any idea why it might not be working?
– Abdul Mateen
Dec 14 '19 at 18:06
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Struct constructor: “fields must be fully assigned before control is returned to the caller.”
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If you see this error on a struct that has an automatic property, just call the parameterless contructor from your parameterized one by doing : this() example below:
struct MyStruct
{
public int SomeProp { get; set; }
public MyStruct(i...
How to write header row with csv.DictWriter?
...od now available in 2.7 / 3.2:
from collections import OrderedDict
ordered_fieldnames = OrderedDict([('field1',None),('field2',None)])
with open(outfile,'wb') as fou:
dw = csv.DictWriter(fou, delimiter='\t', fieldnames=ordered_fieldnames)
dw.writeheader()
# continue on to write data
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What is the meaning of the term “thread-safe”?
...f it fails to run safely, but failure was because there's a divide by zero error, does that make it thread-"Unsafe"?
– Charles Bretana
Jun 4 '18 at 20:23
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How to display Toast in Android?
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I have tried several toast and for those whom their toast is giving them error try
Toast.makeText(getApplicationContext(), "google", Toast.LENGTH_LONG).show();
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