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Why does writeObject throw java.io.NotSerializableException and how do I fix it?
...er may want to remove or edit current objects. I think I will try some XML-based serialization, but I am quite new to the concept and it's a bit hard for me yet. Thank you
– Mihai Bujanca
Dec 15 '12 at 20:35
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how to compare two elements in jquery [duplicate]
...ollection results you get back from a jQuery collection do not support set-based comparison. You can use compare the individual members one by one though, there are no utilities for this that I know of in jQuery.
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unable to start mongodb local server
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Shouldn't this be mongod (not mongodb)? Based on docs.mongodb.org/manual/tutorial/install-mongodb-on-ubuntu/…
– xavier
Oct 7 '14 at 1:20
5
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How do I convert a org.w3c.dom.Document object to a String?
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A Scala version based on Zaz's answer.
case class DocumentEx(document: Document) {
def toXmlString(pretty: Boolean = false):Try[String] = {
getStringFromDocument(document, pretty)
}
}
implicit def documentToDocumentEx(d...
How to get just the responsive grid from Bootstrap 3?
... Bootstrap — create a practical CSS Grid template for your component based UI
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Convert UTC date time to local date time
...UTCDateToLocalDate(new Date(date_string_you_received));
Display the date based on the client local setting:
date.toLocaleString();
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...o test on. If you start looking at your test data, and choosing strategies based on what gives you the highest score on that, you'll get an inflated sense of your method's performance. When all your parameters are set and decisions made, then run on your test data. This lets you know what sort of pe...
What is Inversion of Control?
...ame"
read name
print "enter your address"
read address
etc...
store in database
thereby controlling the flow of user interaction.
In a GUI program or somesuch, instead we say:
when the user types in field a, store it in NAME
when the user types in field b, store it in ADDRESS
when the user click...
Does free(ptr) where ptr is NULL corrupt memory?
...ccurs.
See ISO-IEC 9899.
That being said, when looking at different codebases in the wild, you'll notice people sometimes do:
if (ptr)
free(ptr);
This is because some C runtimes (I for sure remember it was the case on PalmOS) would crash when freeing a NULL pointer.
But nowadays, I believe ...
Default value to a parameter while passing by reference in C++
...ts to virtual functions in derived class, which overloading avoids:
class Base {
public:
virtual void f1 (int i = 0); // default '0'
virtual void f2 (int);
inline void f2 () {
f2(0); // equivalent to default of '0'
}
};
class Derived : public Base{
public:
virt...