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Difference between JSP EL, JSF EL and Unified EL [closed]

... Jun 2002: JSTL 1.0 was introduced with EL for first time. It were those ${} things which works in JSTL tags only. It is designed to call Javabean get methods. Nov 2003: JSP 2.0 was introduced and EL was moved from JSTL 1.0 to JSP 2.0 in javax.servlet.jsp.el package an...
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The tilde operator in C

I've seen the tilde operator used in the ELF hashing algorithm, and I'm curious what it does. (The code is from Eternally Confused .) ...
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Removing first x characters from string?

How might one remove the first x characters from a string? For example, if one had a string lipsum , how would they remove the first 3 characters and get a result of sum ? ...
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Can enums be subclassed to add new elements?

I want to take an existing enum and add more elements to it as follows: 15 Answers 15 ...
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Loop through a date range with JavaScript

...vings aren't an issue either. var now = new Date(); var daysOfYear = []; for (var d = new Date(2012, 0, 1); d <= now; d.setDate(d.getDate() + 1)) { daysOfYear.push(new Date(d)); } Note that if you want to store the date, you'll need to make a new one (as above with new Date(d)), or else yo...
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Add up a column of numbers at the Unix shell

... ... | paste -sd+ - | bc is the shortest one I've found (from the UNIX Command Line blog). Edit: added the - argument for portability, thanks @Dogbert and @Owen. share | ...
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What does functools.wraps do?

....wraps was doing. So, I'm asking this question so that there will be a record of it on StackOverflow for future reference: what does functools.wraps do, exactly? ...
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Python: how to print range a-z?

... >>> import string >>> string.ascii_lowercase[:14] 'abcdefghijklmn' >>> string.ascii_lowercase[:14:2] 'acegikm' To do the urls, you could use something like this [i + j for i, j in zip(list_of_urls, string.ascii_...
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Why is #!/usr/bin/env bash superior to #!/bin/bash?

... #!/usr/bin/env searches PATH for bash, and bash is not always in /bin, particularly on non-Linux systems. For example, on my OpenBSD system, it's in /usr/local/bin, since it was installed as an optional package. If you are absolutely sure bash is in /bi...
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Javascript sort array by two fields

So the above code sorts the array by gsize - smallest to largest. It works good. But if the gsize is the same I would like it to then sort by glow. ...