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Difference between webdriver.Dispose(), .Close() and .Quit()
What is the difference between these
10 Answers
10
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Best way to build a Plugin system with Java
...ns the JAR file and could then use an attribute from JAR manifest or the list of all files in the JAR file to find the class that implements your Plugin interface. Instantiate that class, the plugin is ready to go.
Of course you may also want to implement some kind of sandboxing so that the plugin...
Detecting an “invalid date” Date instance in JavaScript
... it:
if (Object.prototype.toString.call(d) === "[object Date]") {
// it is a date
if (isNaN(d.getTime())) { // d.valueOf() could also work
// date is not valid
} else {
// date is valid
}
} else {
// not a date
}
Update [2018-05-31]: If you are not concerned with Date objects f...
Why is iterating through a large Django QuerySet consuming massive amounts of memory?
...n evaluate a QuerySet in the following ways:
Iteration. A QuerySet is iterable, and it executes its database query the first time you iterate over it. For example, this will print the headline of all entries in the database:
for e in Entry.objects.all():
print e.headline
So your t...
Is the Javascript date object always one day off?
...
Notice that Eastern Daylight Time is -4 hours and that the hours on the date you're getting back are 20.
20h + 4h = 24h
which is midnight of 2011-09-24. The date was parsed in UTC (GMT) because you provided a date-only string without any time zone indicator....
What is the bit size of long on 64-bit Windows?
... long are not 64 bits on 64 bit machines and I should always use int . This did not make sense to me. I have seen docs (such as the one on Apple's official site) say that long are indeed 64 bits when compiling for a 64-bit CPU. I looked up what it was on 64-bit Windows and found
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Implements vs extends: When to use? What's the difference?
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extends is for extending a class.
implements is for implementing an interface
The difference between an interface and a regular class is that in an interface you can not implement any of the declared methods. Only the class that "im...
Check if a Class Object is subclass of another Class Object in Java
...ther non-derived classes. But how do I check derived classes? E.g. LinkedList as subclass of List . I can't find any isSubclassOf(...) or extends(...) method. Do I need to walk through all getSuperClass() and find my supeclass by my own?
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In Python, what happens when you import inside of a function? [duplicate]
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Does it re-import every time the function is run?
No; or rather, Python modules are essentially cached every time they are imported, so importing a second (or third, or fourth...) time doesn't actually force them to go through the whole import process again. 1
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