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How to change column datatype from character to numeric in PostgreSQL 8.4
...ed the datatype but after that unable to add the FK. Getting the following error ERROR: insert or update on table "invoices" violates foreign key constraint "invoice_presale_fk" DETAIL: Key (sale,cpf_cnpj)=(4,05943560000101) is not present in table "presales".
– user728630
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How can I pass a member function where a free function is expected?
...e preferable than using a void* interface as they remove the potential for errors due to a cast to the wrong type.
To clarify how to use a function pointer to call a member function, here is an example:
// the function using the function pointers:
void somefunction(void (*fptr)(void*, int, int), v...
When to use virtual destructors?
...would it make sense to have the compiler check this condition and issue an error is it is not satisfied?
– Giorgio
May 6 '12 at 9:29
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How do I capture response of form.submit
...er responded with: " + event.target.response); // raw response
};
// or onerror, onabort
var formData = new FormData(document.getElementById("myForm"));
xhr.send(formData);
For POST's the default content type is "application/x-www-form-urlencoded" which matches what we're sending in the above sn...
UITableView, Separator color where to set?
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This shows me an error 'separatorColor' is unavailable on tvOS.
– Banana
Nov 20 '15 at 15:42
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How to smooth a curve in the right way?
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I got the error Traceback (most recent call last): File "hp.py", line 79, in <module> ysm2 = savitzky_golay(y_data,51,3) File "hp.py", line 42, in savitzky_golay firstvals = y[0] - np.abs( y[1:half_window+1][::-1] - y...
How to get the insert ID in JDBC?
...de-effect of NOT setting the Statement.RETURN_GENERATED_KEYS option is the error message, which is the completely obscure "The statement must be executed before any results can be obtained."
– Chris Winters
Mar 3 '11 at 16:15
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How to create EditText with rounded corners? [closed]
... view from displaying my activity when I include the rounded edit box. The error log gives me a 'UnsupportedOperationException:null'. Any ideas?
– Ben Clayton
Apr 6 '11 at 15:13
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Check if string matches pattern
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There's a big need to compile to make sure there are no errors in the regular expressions like bad character range errors
– Suh Fangmbeng
May 6 at 17:10
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How do you build a Singleton in Dart?
...the point of instantiating it twice? Shouldn't it be better if it threw an error when you instantiate it the second time?
– westoque
May 29 '13 at 6:30
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