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Final arguments in interface methods - what's the point?
...or matching signatures of overridden methods, and it has no effect on the caller, only within the body of an implementation. Also, as noted by Robin in a comment, the final modifier on a method parameter has no effect on the generated byte code. (This is not true for other uses of final.)
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How to sort an array in Bash
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You don't really need all that much code:
IFS=$'\n' sorted=($(sort <<<"${array[*]}"))
unset IFS
Supports whitespace in elements (as long as it's not a newline), and works in Bash 3.x.
e.g.:
$ array=("a c" b f "3 5")
$ IFS=$...
What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
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Premature optimization is the root of all evil.
– Harindaka
Sep 11 '13 at 9:47
83
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Why JSF saves the state of UI components on server?
..., will the state of components keep on accumulating on the server?
Technically, that depends on the implementation. If you're talking about page-to-page navigation (just GET requests) then Mojarra won't save anything in session. If they are however POST requests (forms with commandlinks/buttons), t...
How to print color in console using System.out.println?
...rts it, you can use ANSI escape codes to use color in your output. It generally works for Unix shell prompts; however, it doesn't work for Windows Command Prompt (Although, it does work for Cygwin). For example, you could define constants like these for the colors:
public static final String ANSI_R...
Way to get number of digits in an int?
...K, there is nothing "un-neat" about it. You have to realize that mathematically, numbers don't have a length, nor do they have digits. Length and digits are both properties of a physical representation of a number in a specific base, i.e. a String.
A logarithm-based solution does (some of) the same...
Select every Nth element in CSS
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As the name implies, :nth-child() allows you to construct an arithmetic expression using the n variable in addition to constant numbers. You can perform addition (+), subtraction (-) and coefficient multiplication (an where a is an integer, including positive...
Show data on mouseover of circle
...u don't need the mousehandler. The code would be something like
vis.selectAll("circle")
.data(datafiltered).enter().append("svg:circle")
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.append("svg:title")
.text(function(d) { return d.x; });
If you want fancier tooltips, you could use tipsy for example. See here for an example....
How to have no pagebreak after \include in LaTeX
...d the clearpage. It appears, in order for \includeonly to work one has to call the package immediately after \documentclass{...}. In the complex environment of my dissertation I also ran into problems with broken references.
A good workaround, when includeonly is not needed for a final version, is ...
Is it possible to make relative link to image in a markdown file in a gist?
...rves a rel=canonical link. I wouldn't bet on Github to never change this!
All internal gist links (e.g. from user's page https://gist.github.com/cben/) omit the trailing slash :-(
Gists in Google search results omit the trailing slash :-(
(You could use relative path 46d9536baacb7c5d196c/raw/dodg...