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What is “overhead”?
I am a student in Computer Science and I am hearing the word "overhead" a lot when it comes to programs and sorts. What does this mean exactly?
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What is the correct way to represent null XML elements?
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xsi:nil is the correct way to represent a value such that:
When the DOM Level 2 call getElementValue() is issued, the NULL value is returned.
xsi:nil is also used to indicate a valid element with no content even if that elements content type...
What exactly are iterator, iterable, and iteration?
What is the most basic definition of "iterable", "iterator" and "iteration" in Python?
13 Answers
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When to choose checked and unchecked exceptions
In Java (or any other language with checked exceptions), when creating your own exception class, how do you decide whether it should be checked or unchecked?
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Check free disk space for current partition in bash
I am writing an installer in bash. The user will go to the target directory and runs the install script, so the first action should be to check that there is enough space. I know that df will report all file systems, but I was wondering if there was a way to get the free space just for the partition...
How can I upload files asynchronously?
...ry. Not only that, you can do file validations (name, size, and MIME type) or handle the progress event with the HTML5 progress tag (or a div). Recently I had to make a file uploader, but I didn't want to use Flash nor Iframes or plugins and after some research I came up with the solution.
The HTML...
SSO with CAS or OAuth?
I wonder if I should use the CAS protocol or OAuth + some authentication provider for single sign-on.
5 Answers
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Getting Java version at runtime
I need to work around a Java bug in JDK 1.5 which was fixed in 1.6. I'm using the following condition:
12 Answers
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What regex will match every character except comma ',' or semi-colon ';'?
... regex which will match every character except a certain defined character or set of characters?
4 Answers
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Regex for splitting a string using space when not surrounded by single or double quotes
...plit the example string using all spaces that are not surrounded by single or double quotes. My last attempt looks like this: (?!") and isn't quite working. It's splitting on the space before the quote.
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