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XmlSerializer giving FileNotFoundException at constructor
An application I've been working with is failing when I try to serialize types.
18 Answers
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Why doesn't Python have a sign function?
I can't understand why Python doesn't have a sign function. It has an abs builtin (which I consider sign 's sister), but no sign .
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Why do std::shared_ptr work
I found some code using std::shared_ptr to perform arbitrary cleanup at shutdown. At first I thought this code could not possibly work, but then I tried the following:
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How to write WinForms code that auto-scales to system font and dpi settings?
...t there that say "WinForms doesn't auto-scale to DPI/font settings well; switch to WPF." However, I think that is based on .NET 1.1; it appears they actually did a pretty good job of implementing auto-scaling in .NET 2.0. At least based on our research and testing so far. However, if some of you out...
“Java DateFormat is not threadsafe” what does this leads to?
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Let's try it out.
Here is a program in which multiple threads use a shared SimpleDateFormat.
Program:
public static void main(String[] args) throws Exception {
final DateFormat format = new SimpleDateFormat("yyyyMMdd");
Ca...
Why is address zero used for the null pointer?
...: I am adviced to set pointers to zero after freeing their memory, because it means freeing the pointer again isn't dangerous; when I call malloc it returns a pointer with the value zero if it can't get me memory; I use if (p != 0) all the time to make sure passed pointers are valid, etc.
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Read an Excel file directly from a R script
...do this directly is that you may want to examine the spreadsheet to see if it has glitches (weird headers, multiple worksheets [you can only read one at a time, although you can obviously loop over them all], included plots, etc.). But for a well-formed, rectangular spreadsheet with plain numbers a...
Why can't a 'continue' statement be inside a 'finally' block?
...un, like a return, for example, which brings the same problem.
In short, with the semantics of finally it doesn't make sense to allow transferring control from inside a finally block to the outside of it.
Supporting this with some alternative semantics would be more confusing than helpful, since t...
Django templates: verbose version of a choice
...the field.
Note: in case the standard FormPreview templates are not using it, then you can always provide your own templates for that form, which will contain something like {{ form.get_meal_display }}.
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PHP array delete by value (not key)
... unset($messages[$key]);
}
array_search() returns the key of the element it finds, which can be used to remove that element from the original array using unset(). It will return FALSE on failure, however it can return a false-y value on success (your key may be 0 for example), which is why the str...