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How do I test which class an object is in Objective-C?
How do I test whether an object is an instance of a particular class in Objective-C? Let's say I want to see if object a is an instance of class b, or class c, how do I go about doing it?
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Fastest way to list all primes below N
...to, rwh_primes, rwh_primes1, and rwh_primes2.
Of the plain Python methods tested, with psyco, for n=1000000,
rwh_primes1 was the fastest tested.
+---------------------+-------+
| Method | ms |
+---------------------+-------+
| rwh_primes1 | 43.0 |
| sieveOfAtkin | 4...
How can I check for an empty/undefined/null string in JavaScript?
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Testing the length property may actually be faster than testing the string against "", because the interpreter won't have to create a String object from the string literal.
– Vincent Robert
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Accept function as parameter in PHP
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PHP VERSION >= 5.3.0
Example 1: basic
function test($test_param, $my_function) {
return $my_function($test_param);
}
test("param", function($param) {
echo $param;
}); //will echo "param"
Example 2: std object
$obj = new stdClass();
$obj->test = function ($t...
How to deploy correctly when using Composer's develop / production switch?
...n theory) very handy for scripts that only make sense in development, like tests, fake-data-tools, debugger, etc.
5 Answers...
Formatting a number with exactly two decimals in JavaScript
... "10.80"
round2Fixed(10.8); // Returns "10.80"
Various examples and tests (thanks to @t-j-crowder!):
function round(value, exp) {
if (typeof exp === 'undefined' || +exp === 0)
return Math.round(value);
value = +value;
exp = +exp;
if (isNaN(value) || !(typeof exp === ...
Get the length of a String
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As of Swift 4+
It's just:
test1.count
for reasons.
(Thanks to Martin R)
As of Swift 2:
With Swift 2, Apple has changed global functions to protocol extensions, extensions that match any type conforming to a protocol. Thus the new syntax is:
test...
git add remote branch
...ges
github/master
github/next
github/pu
Create a new local branch (test) from a github's remote branch (pu):
git branch test github/pu
git checkout test
Merge changes from github's remote branch (pu) with local branch (test):
git fetch github
git checkout test
git merge github/pu
Updat...
Testing modules in rspec
What are the best practices on testing modules in rspec? I have some modules that get included in few models and for now I simply have duplicate tests for each model (with few differences). Is there a way to DRY it up?
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Using Moq to determine if a method is called
It is my understanding that I can test that a method call will occur if I call a higher level method, i.e.:
3 Answers
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