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Echo tab characters in bash script
...will echo 'space tab space newline' (-e means 'enable interpretation of backslash escapes'):
$ echo -e ' \t ' | hexdump -C
00000000 20 09 20 0a | . .|
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How do I create a unique ID in Java? [duplicate]
I'm looking for the best way to create a unique ID as a String in Java.
11 Answers
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Reflection - get attribute name and value on property
I have a class, lets call it Book with a property called Name. With that property, I have an attribute associated with it.
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Converting a JS object to an array using jQuery
My application creates a JavaScript object, like the following:
18 Answers
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How can I fill a div with an image while keeping it proportional?
...d this thread — How do you stretch an image to fill a <div> while keeping the image's aspect-ratio? — that is not entirely the thing that I want.
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Default constructor vs. inline field initialization
...lue)
Initialisers are good when you always need the same initial value (like in your example, an array of given size, or integer of specific value), but it can work in your favour or against you:
If you have many constructors that initialise variables differently (i.e. with different values), then...
Convert a Unix timestamp to time in JavaScript
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Aron RotteveelAron Rotteveel
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Using jQuery to test if an input has focus
... of the <div> s contains a <form> which, using jQuery, will keep the border if an input within it has focus. This works perfectly except that IE6 does not support :hover on any elements other than <a> s. So, for this browser only we are using jQuery to mimic CSS :hover usin...
Find index of last occurrence of a sub-string using T-SQL
...g revealed this - Function To Retrieve Last Index - but that does not work if you pass in a "text" column expression. Other solutions found elsewhere work only so long as the text you are searching for is 1 character long.
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