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Coding Katas for practicing the refactoring of legacy code
I've gotten quite interested in coding katas in recent months. I believe they are a great way to hone my programming skills and improve the quality of the code I write on the job.
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How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?
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For those who are getting ERROR: rvm update has been removed. — rvm get latest / rvm get head are the correct ways to upgrade rvm now.
– jibiel
Oct 25 '11 at 8:25
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Node.js / Express.js - How does app.router work?
...use is app.use() . When the middleware is being executed, it will either call the next middleware by using next() or make it so no more middleware get called. That means that the order in which I place my middleware calls is important, because some middleware depends on other middleware, and some...
Python: reload component Y imported with 'from X import Y'?
... verse (import this from interactive prompt to see the Zen of Python); and all the reasons why namespaces are a honking great idea (immediate local visual clues that the name's being looked up, ease of mocking/injecting in tests, ability to reload, ability for a module to change flexibly by redefini...
How to recognize swipe in all 4 directions
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self.addGestureRecognizer(gesture) caused an error for me. What fixed it was self.view.addGestureRecognizer(gesture);.
– ahitt6345
Jan 5 '16 at 0:52
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Bomb dropping algorithm
...to bomb the hollow rectangle of
squares just inside the perimeter. I'll call the perimeter layer 1, and the rectangle inside it layer 2.
An important insight is that there is no point bombing layer 1, because the
"blast radius" you get from doing so is always contained within the blast radius of...
Ways to circumvent the same-origin policy
... set document.domain to othercompany.com.
With this method, you would be allowed to exectue javascript from an iframe sourced on a subdomain on a page sourced on the main domain. This method is not suited for cross-domain resources as browsers like Firefox will not allow you to change the document...
Why is it impossible to override a getter-only property and add a setter? [closed]
Why is the following C# code not allowed:
16 Answers
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Javascript “this” pointer within nested function
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In JavaScript the this object is really based on how you make your function calls.
In general there are three ways to setup the this object:
someThing.someFunction(arg1, arg2, argN)
someFunction.call(someThing, arg1, arg2, argN)
someFunction.apply(someThing...
Automatically import modules when entering the python or ipython interpreter
...ow do I set up the python or ipython interpreter so that numpy is automatically imported?
8 Answers
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