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What is the use of printStackTrace() method in Java?
... very useful tool for diagnosing an exceptions. It tells you what happened and where in the code this happened.
Here's an example of how it might be used in practice:
try {
// ...
} catch (SomeException e) {
e.printStackTrace();
}
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How can I get the full/absolute URL (with domain) in Django?
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Use handy request.build_absolute_uri() method on request, pass it the relative url and it'll give you full one.
By default, the absolute URL for request.get_full_path() is returned, but you can pass it a relative URL as the first...
Can we write our own iterator in Java?
If I have a list containing [alice, bob, abigail, charlie] and I want to write an iterator such that it iterates over elements that begin with 'a', can I write my own ? How can I do that ?
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How to upgrade Eclipse for Java EE Developers?
...elp > Check for updates.
After the installation, Eclipse will restart and show the old splash screen. Next time you manually stop/start Eclipse it will correctly show the correct splash screen.
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Find all files with name containing string
I have been searching for a command that will return files from the current directory which contain a string in the filename. I have seen locate and find commands that can find files beginning with something first_word* or ending with something *.jpg .
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How to save as a new file and keep working on the original one in Vim?
Whenever I use the :sav command, it saves the file with a new name and opens the new file open in Vim.
4 Answers
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What does enumerable mean?
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An enumerable property is one that can be included in and visited during for..in loops (or a similar iteration of properties, like Object.keys()).
If a property isn't identified as enumerable, the loop will ignore that it's within the object.
var obj = { key: 'val' };
console...
`levels
...answers here are good, but they are missing an important point. Let me try and describe it.
R is a functional language and does not like to mutate its objects. But it does allow assignment statements, using replacement functions:
levels(x) <- y
is equivalent to
x <- `levels<-`(x, y)
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How to get scrollbar position with Javascript?
...iew is. My guess is that I have to detect where the thumb on the track is, and then the height of the thumb as a percentage of the total height of the track. Am I over-complicating it, or does JavaScript offer an easier solution than that? Any ideas code-wise?
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Draw Circle using css alone [duplicate]
...></span>
I suggest this as border-radius won't work in IE8 and below (I recognize the fact that the suggestion is a bit mental).
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