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“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?
...aracterEncoding out of the Connector/J connection string. Connector/J will then autodetect the UTF-8 setting.
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What is the difference between a weak reference and an unowned reference?
...ly without checks. If somehow the object being referred to is deallocated, then the app will crash when the unowned reference is used.
From the Apple docs:
Use a weak reference whenever it is valid for that reference to become
nil at some point during its lifetime. Conversely, use an unowned
refere...
How can I combine multiple rows into a comma-delimited list in Oracle? [duplicate]
...vert it to a clob using RTRIM,XMLAGG,XMLELEMENT, and GETCLOBVAL(), which I then cast back to VARCHAR2. However, the run time for the query turns into hours rather than 15 minutes. Do you have any recommendations of other approaches? Also, I saw a suggestion for creating a custom function instead.
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How to check if a line is blank using regex
...tring line is "blank" (i.e. containing only whitespaces) by trim()-ing it, then checking if the resulting string isEmpty().
In Java, this would be something like this:
if (line.trim().isEmpty()) {
// line is "blank"
}
The regex solution can also be simplified without anchors (because of how ...
Will Try / Finally (without the Catch) bubble the exception?
... answer is YES. If I use a Try Finally block but do not use a Catch block then any exceptions WILL bubble. Correct?
2 Ans...
error_log per Virtual Host?
...to enable scripts to default to the php.ini in the folder with the script, then go to the user/host's root folder, then to the server's root, or something similar. This would allow hosts to add their own php.ini values and their own error_log locations.
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Get object by id()? [duplicate]
... retrieve the Python object just by treating x as a pointer to a PyObject, then calling Py_INCREF to tell the garbage collector that we're creating a new reference to the object.
static PyObject *
di_di(PyObject *self, PyObject *args)
{
PyObject *obj;
if (!PyArg_ParseTuple(args, "l:di", &am...
Return None if Dictionary key is not available
...y is mapped to any "falsy" value (like [], "", False, 0.0 or indeed None), then your solution would always return 0. If you expect Nones as values, you will have to do the if key in d: check explicitly.
– Tim Pietzcker
Jul 5 '15 at 17:57
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Why use getters and setters/accessors?
...by a thin pseudo layer — if users need to access implementation details, then that's a sign that the class doesn't offer enough of an abstraction. See also this comment.
– sbi
Aug 23 '12 at 21:13
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Simple argparse example wanted: 1 argument, 3 results
...le, it is what was entered as the file name on the command line. You could then do your own processing to determine whether it exists in the filesystem, but that is another Q&A.
– mightypile
May 11 '15 at 23:08
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