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Ruby: extend self
In Ruby, I understand the basic idea of extend . However, what's happening in this segment of code? Specifically, what does extend do? Is it just a convenient way of making the instance methods into class methods? Why would you do it this way rather than specifying class methods from the beginnin...
How to check if there's nothing to be committed in the current branch?
... goal is to get an unambiguous status that can be evaluated in a shell command.
9 Answers
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Print variables in hexadecimal or decimal format
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and to set the default output radix setting, see stackoverflow.com/questions/6618670/…
– Chan Kim
Sep 10 '18 at 1:19
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How to configure multi-module Maven + Sonar + JaCoCo to give merged coverage report?
I've searched up and down the internet for this one. There's lots of half-answers out there, to do with Maven properties such as ${sonar.jacoco.reportPath} , or org.jacoco:jacoco-maven-plugin:prepare-agent or setting maven-surefire-plugin argLine with -javaagent .
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Count cells that contain any text
... edited Jul 15 '18 at 17:48
Andy
15.6k88 gold badges4646 silver badges6868 bronze badges
answered Oct 5 '12 at 13:21
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Catching java.lang.OutOfMemoryError?
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I agree and disagree with most the responses here.
There are a number of scenarios where you may wish to catch an OutOfMemoryError and in my experience (on Windows and Solaris JVMs), only very infrequently is OutOfMemoryError the de...
How was the first compiler written?
I heard about the chicken and the egg and bootstrapping. I have a few questions.
6 Answers
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Visual Studio - Resx File default 'internal' to 'public'
...y time I edit a resource file in VS, it regenerates the corresponding code and sets the class access modifier to internal.
It's a pain to Ctrl-F -> ReplaceAll every time I edit the resx. Is there a property/setting so that I can default this to public?
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How do I turn on SQL debug logging for ActiveRecord in RSpec tests?
I have some RSpec tests for my models and I would like to turn on SQL ActiveRecord logging just like I see in the Rails server mode. How to do that?
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Why can I add named properties to an array as if it were an object?
...you call a "bug" can as well be an awesome "feature". You can add a tittle and description to arrays without affecting their contents or length and without having to wrap them in objects with title, description and items properties. It all depends on how well you know the language and how you use it...