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How to run a single test from a rails test suite?
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NOTE: This doesn't run the test via rake. So any code you have in Rakefile will NOT get executed.
To run a single test, use the following command from your rails project's main directory:
ruby -I test test/unit/my_model_test.rb -n tes...
How to use base class's constructors and assignment operator in C++?
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What does this mean? Base(const Base&)
– qed
Jul 12 '13 at 16:43
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Constructor function vs Factory functions
...l it a "factory" function if it just returned a boolean or something. This does not happen automatically like with new, but it does allow more flexibility for some cases.
In a really simple example the functions referenced above might look something like this:
function ConstructorFunction() {
t...
scale Image in an UIButton to AspectFit?
...image to fit with the UIButton (make image smaller). Please show me how to do it.
16 Answers
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How do I run Asynchronous callbacks in Playground
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While you can run a run loop manually (or, for asynchronous code that doesn't require a run loop, use other waiting methods like dispatch semaphores), the "built-in" way we provide in playgrounds to wait for asynchronous work is to import the XCPlayground framework and set XCPlaygroundPage.curr...
How do I flush the PRINT buffer in TSQL?
...Server 2005 that I'm trying to debug, and I'm using the 'print' command to do it. The problem is, I'm only getting the messages back from SQL Server at the very end of my sproc - I'd like to be able to flush the message buffer and see these messages immediately during the sproc's runtime, rather tha...
How do I increase the scrollback buffer in a running screen session?
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You'll have to do for each window of the current screen individually.
– Matthew Wilcoxson
Dec 16 '15 at 12:22
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Can unit testing be successfully added into an existing production project? If so, how and is it wor
...ality and defect rate - plus improved morale and profitability.
It can be done when you have both an accurate understanding and commitment from the parties involved.
First of all, it is important to understand that unit testing is a skill in itself. You can be a very productive programmer by "conv...
Show current state of Jenkins build on GitHub repo
...is assumes you've already got Jenkins with the GitHub plugin configured to do builds on every push.
Go to GitHub, log in, go to Settings, Personal access tokens, click on Generate new token.
Check repo:status (I'm not sure this is necessary, but I did it, and it worked for me).
Generate the to...
How to avoid having class data shared among instances?
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But why does this happens only for list? When i declared an integer or string outside the init, it was not shared among the objects? Can anyone share any doc link to this concept?
– Amal Ts
May ...