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Measuring the distance between two coordinates in PHP
...ons possible, this version implements the formula in Wikipedia and is well tested. The $angle means the angle in the middle of the world in radians, so one can multiplicate it with the earth radius. I can also provide an example of the more complex Vincenty formula if someone is interested.
...
How should I use git diff for long lines?
... line.
For example, instead of getting something like this:
diff --git a/test-file.txt b/test-file.txt
index 19e6adf..eb6bb81 100644
--- a/test-file.txt
+++ b/test-file.txt
@@ -1 +1 @@
-this is a short line
+this is a slightly longer line
You might get something like this:
diff --git a/test-fil...
Why do we use __init__ in Python classes?
...ill be a MyInteger), but we'll ignore now. In real code, we wouldn't; we'd test it to make sure, and maybe even coerce it ("you're not an integer? by golly, you have 10 nanoseconds to become one! 9... 8....")
We could even define fractions. Fractions also know how to add themselves.
class MyFracti...
unit testing of private functions with mocha and node.js
I am using mocha in order to unit test an application written for node.js
9 Answers
9
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Declaring variables inside loops, good practice or bad practice?
...he first version will not spot anything, the result of f1() will simply be tested a second time, being confused for the result of f2().
Complementary information
The open-source tool CppCheck (a static analysis tool for C/C++ code) provides some excellent hints regarding optimal scope of variables...
Is there any particular difference between intval and casting to int - `(int) X`?
...ted in the comments on the PHP doc page and shamelessly reiterated here:
$test_int = 12;
$test_string = "12";
$test_float = 12.8;
echo (int) $test_int; // 12
echo (int) $test_string; // 12
echo (int) $test_float; // 12
echo intval($test_int, 8); // 12 <-- WOAH!
echo i...
How to pass variable number of arguments to a PHP function
...distinct parameters.
For instance, if you have this function :
function test() {
var_dump(func_num_args());
var_dump(func_get_args());
}
You can pack your parameters into an array, like this :
$params = array(
10,
'glop',
'test',
);
And, then, call the function :
call_user_func_ar...
What is the best way to detect a mobile device?
... it:
if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) {
// some code..
}
Or you can combine them both to make it more accessible through jQuery...
$.browser.device = (/android|webos|iphone|ipad|ipod|blackberry|iemobile|opera mini/i.test(navigator....
How can I time a code segment for testing performance with Pythons timeit?
...Focus on one specific thing. Disk I/O is slow, so I'd take that out of the test if all you are going to tweak is the database query.
And if you need to time your database execution, look for database tools instead, like asking for the query plan, and note that performance varies not only with the e...
Code coverage for Jest
Is there a way to have code coverage in the Javascript Jest testing framework that is built on top of Jasmine?
8 Answers
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