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Difference between style = “position:absolute” and style = “position:relative”
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Absolute positioning means that the element is taken completely out of the normal flow of the page layout. As far as the rest of the elements on the page are concerned, the absolutely positioned element simply doesn't exist. The element itself is then drawn separately,...
How to check if my string is equal to null?
...erform some action ONLY IF my string has a meaningful value. So, I tried this.
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How do I create a Java string from the contents of a file?
... now. And it seems to be the most wide-spread, at least on the sites I've visited.
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How to compare two floating point numbers in Bash?
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More conveniently
This can be done more conveniently using Bash's numeric context:
if (( $(echo "$num1 > $num2" |bc -l) )); then
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fi
Explanation
Piping through the basic calculator command bc returns either 1 or 0.
The option -l is ...
How to detect a textbox's content has changed
...generate letters, like the arrow keys. I thought of two methods of doing this using the keyup event:
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded
I get this error message as I execute my JUnit tests:
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Best way to get child nodes
...iety of methods to get the first child element from any element, but which is the best? By best, I mean: most cross-browser compatible, fastest, most comprehensive and predictable when it comes to behaviour. A list of methods/properties I use as aliases:
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Binary Data in MySQL [closed]
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The answer by phpguy is correct but I think there is a lot of confusion in the additional details there.
The basic answer is in a BLOB data type / attribute domain. BLOB is short for Binary Large Object and that column data type is specific for...
Overriding the java equals() method - not working?
I ran into an interesting (and very frustrating) issue with the equals() method today which caused what I thought to be a well tested class to crash and cause a bug that took me a very long time to track down.
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How to check if an object is a generator object in python?
In python, how do I check if an object is a generator object?
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