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How do you append to an already existing string?
I want append to a string so that every time I loop over it will add say "test" to the string.
7 Answers
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How to convert a string or integer to binary in Ruby?
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I did some local test to convert integers to binary string, but the result shows that codes like 245.to_s(2) will be faster than "%b" % 245
– Green Su
May 13 '14 at 8:58
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What is the difference between require_relative and require in Ruby?
...taining the require_relative statement.
For example, if you have unit test classes in the "test" directory, and data for them under the test "test/data" directory, then you might use a line like this in a test case:
require_relative "data/customer_data_1"
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Android: Test Push Notification online (Google Cloud Messaging) [closed]
...and in my environment due to some firewall restrictions I can not deploy a test sever for push notification. What I am looking for is a online server which would send some test notifications to my device to test my client implementation.
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Using Jasmine to spy on a function without an object
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If you are defining your function:
function test() {};
Then, this is equivalent to:
window.test = function() {} /* (in the browser) */
So spyOn(window, 'test') should work.
If that is not, you should also be able to:
test = jasmine.createSpy();
If none of tho...
How to cast int to enum in C++?
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int i = 1;
Test val = static_cast<Test>(i);
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In R, how to get an object's name after it is sent to a function?
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The old deparse-substitute trick:
a<-data.frame(x=1:10,y=1:10)
test<-function(z){
mean.x<-mean(z$x)
nm <-deparse(substitute(z))
print(nm)
return(mean.x)}
test(a)
#[1] "a" ... this is the side-effect of the print() call
# ... you could have done something...
How to check that an object is empty in PHP?
...$two == new stdClass()); // TRUE
var_dump($one == $two); // TRUE
$two->test = TRUE;
var_dump($two == new stdClass()); // FALSE
var_dump($one == $two); // FALSE
$two->test = FALSE;
var_dump($one == $two); // FALSE
$two->test = NULL;
var_dump($one == $two); // FALSE
$two->test = TRUE;
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Mocking vs. Spying in mocking frameworks
...can create mock out of "thin air". This is what is mostly used during unit testing.
When spying, you take an existing object and "replace" only some methods. This is useful when you have a huge class and only want to mock certain methods (partial mocking). Let me quote Mockito documentation:
You ca...
ab load testing
Can someone please walk me through the process of how I can load test my website using apache bench tool ( ab )?
5 Answer...