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Capitalize only first character of string and leave others alone? (Rails)
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This should do it:
title = "test test"
title[0] = title[0].capitalize
puts title # "Test test"
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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...
val() vs. text() for textarea
...xt for IE) method to get the contents of a <textarea>. The following test cases illustrate how text() and .val() relate to each other:
var t = '<textarea>';
console.log($(t).text('test').val()); // Prints test
console.log($(t).val('too').text('test').val()); // Prints too
c...
Can unit testing be successfully added into an existing production project? If so, how and is it wor
I'm strongly considering adding unit testing to an existing project that is in production. It was started 18 months ago before I could really see any benefit of TDD (face palm) , so now it's a rather large solution with a number of projects and I haven't the foggiest idea where to start in adding u...
Test if object implements interface
What is the simplest way of testing if an object implements a given interface in C#? (Answer to this question
in Java )
1...
How to test if a string is basically an integer in quotes using Ruby
... to see the syntax, changed the regex to apply to the problem at hand, and tested it. It's pretty neat actually .. I may have to give it a longer look when I have more spare time.
– Rado
Aug 5 '09 at 22:21
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NSUserDefaults removeObjectForKey vs. setObject:nil
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Swift 3.0
The below answer is no longer the case when I tested this.
When set to nil the result is NSCFData being stored. Possibly an NSNull object reference, but I am not positive.
To completely remove a value for a key use UserDefaults.standard.removeObject(forKey: "YourDefaul...
pandas DataFrame: replace nan values with average of columns
... perspective it is wrong to first replace NA and then split into train and test... You MUST first split into train and test, then replace NA by mean on train and then apply this stateful preprocessing model to test, see the answer involving sklearn below!
– Fabian Werner
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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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release Selenium chromedriver.exe from memory
...orkplace, we've noticed a huge problem when trying to execute chromedriver tests in the Java platform, where the chromedriver.exe actually still exists even after using browser.quit(). To counter this, we created a batch file similar to this one below, that just forces closed the processes.
kill_c...