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How to make rounded percentages add up to 100%
...[index] += deltaUnit);
return rounded;
}
It pass the following Unit test:
[TestMethod]
public void TestPerfectRounding()
{
CollectionAssert.AreEqual(Utils.GetPerfectRounding(
new List<decimal> {3.333m, 3.334m, 3.333m}, 10, 2),
new List<decimal> {3.33m, 3.34m, ...
Best approach to converting Boolean object to string in java
...Object obj) {
return (obj == null) ? "null" : obj.toString();
}
Just test this code:
Boolean b = null;
System.out.println(String.valueOf(b)); // Prints null
System.out.println(Boolean.toString(b)); // Throws NPE
For primitive boolean, there is no difference.
...
Typical .gitignore file for an Android app
...ne
fastlane/report.xml
fastlane/Preview.html
fastlane/screenshots
fastlane/test_output
fastlane/readme.md
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Is MATLAB OOP slow or am I doing something wrong?
...ime. The chart above reflects the times typical of the preponderance of my tests over time.
Update: R2011b
EDIT (2/13/2012): R2011b is out, and the performance picture has changed enough to update this.
Arch: PCWIN Release: 2011b
Machine: R2011b, Windows XP, 8x Core i7-2600 @ 3.40GHz, 3 GB RA...
How do I use Ruby for shell scripting?
...v ruby
And you also have to make it executable: (in the shell)
chmod +x test.rb
Then follows the ruby code. If you open a file
File.open("file", "r") do |io|
# do something with io
end
the file is opened in the current directory you'd get with pwd in the shell.
The path to your script i...
PHP global in functions
...a tangled mess.
Reuse is severly hampered by all of the above. So is unit-testing.
Also, your function signatures are lying when you couple to the global scope
function fn()
is a liar, because it claims I can call that function without passing anything to it. It is only when I look at the funct...
Which websocket library to use with Node.js? [closed]
... improvements.
ws
WebSocket server and client for node.js. One of the fastest libraries if not the fastest one.
websocket-node
WebSocket server and client for node.js
websocket-driver-node WebSocket server and client protocol parser node.js - used in faye-websocket-node
faye-websocket-node WebSock...
Longest line in a file
...aid "file" and without the < "$1" it can easily read from stdin. With a test for $# it could even do both, depending on the number of args. There just is no need for useless cats in this world. Newbies should be taught accordingly right from the beginning.
– Jens
...
Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
...s efficient, they're guaranteed to be portable, they'll pass even the strictest linters, and even new programmers will understand them.
Isn't that worth it?
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static const vs #define
...ILE__ and __LINE__ can be incorporated into the macro substitution
you can test for existence and value in #if statements for conditionally including code (more powerful than a post-preprocessing "if" as the code need not be compilable if not selected by the preprocessor), use #undef-ine, redefine e...