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Eclipse IDE: How to zoom in on text?
...estone 4 or later, the Zoom In/Out shortcuts are provided "out-of-the-box" by Eclipse Platform with a reliable implementation. The shortcuts are Ctrl+/Ctrl= and Ctrl- and the commands are accessible in the "Quick Search" field beside the perspective switcher. Those are shortcuts for editing the font...
How to open a web page from my application?
...5703 article on How to start the default Internet browser programmatically by using Visual C#.
Don't forget to check the Troubleshooting section.
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Run a single migration file
...
You can just run the code directly out of the ruby file:
rails console
>> require "db/migrate/20090408054532_add_foos.rb"
>> AddFoos.up
Note: newer versions of rails may require AddFoos.new.up rather than AddFoos.up.
An alternative way (without IRB) which r...
Include constant in string without concatenating
...:) @juraj.blahunka's approach is even more sneaky. It answers the question by the letter, but not its spirit. :)
– Pekka
Feb 4 '10 at 23:26
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What's the most efficient test of whether a PHP string ends with another string?
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Here’s a simple way to check whether one string ends with another, by giving strpos an offset right where the string should be found:
function stringEndsWith($whole, $end)
{
return (strpos($whole, $end, strlen($whole) - strlen($end)) !== false);
}
Straightforward, and I think this’l...
How to get the entire document HTML as a string?
...e exact hash equivalent of saving the page to a file or the file generated by view-source. It seems the DOM normalizes some fields from the literal response content, like capitalising DOCTYPE headers
– wesinat0r
Jul 7 at 0:51
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How to break out of nested loops?
...complicated. One possibility is to pass the variable to the inner function by reference (pointer), but this may confuse the compiler optimization and produce unnecessary extra code. Another possibility is to make such variables static at the module level, but that is not very beautiful, either. C is...
How to play a notification sound on websites?
...t="true" loop="false" src="' + filename +'.mp3">';
document.getElementById("sound").innerHTML='<audio autoplay="autoplay">' + mp3Source + oggSource + embedSource + '</audio>';
}
<button onclick="playSound('bing');">Play</button>
<div id="sound"></div>
Bro...
Standard deviation of a list
...dev(data, ddof=0):
"""Calculates the population standard deviation
by default; specify ddof=1 to compute the sample
standard deviation."""
n = len(data)
if n < 2:
raise ValueError('variance requires at least two data points')
ss = _ss(data)
pvar = ss/(n-ddof)
...
In Java, is there a way to write a string literal without having to escape quotes?
...r \
| EscapeSequence
As you can see a StringLiteral can just be bound by " and cannot contain special character without escapes..
A side note: you can embed Groovy inside your project, this will extend the syntax of Java allowing you to use '''multi line string ''', ' "string with single quote...