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Code Golf - π day
...ly non-portable extensions at this point.
93 chars. This is based on same formula as FORTRAN solution (slightly different results than test cases). Calculates X^2=R^2-Y^2 for every Y
[rdPr1-d0<p]sp1?dsMdd*sRd2%--
[dd*lRr-vddlMr-32rlpxRR42r2*lpxRRAP4*2+lN+sN2+dlM>y]
dsyx5klNlR/p
88 chars. I...
Alternate table row color using CSS?
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Great answer! But just for information there is another CSS selector which can be used ie. tr:nth-of-type(odd/even)
– Nikhil Nanjappa
May 27 '14 at 10:18
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Any reason why scala does not explicitly support dependent types?
...in Agda or Coq or Idris as intrinsics. I think this reflects a fixation on form over fundamentals to some extent, nevertheless, I'll try and show that Scala is a lot closer to these other languages than is typically acknowledged.
Despite the terminology, dependent sum types (also known as Sigma typ...
Post-increment and pre-increment within a 'for' loop produce same output [duplicate]
...s to create a temporary variable to store the original value of i, then performs the incrementation and returns the temporary variable. The pre-incrementation ++i doesn't create a temporary variable. Sure, any decent optimization setting should be able to optimize this away when the object is someth...
Should I return a Collection or a Stream?
...atever Collection you choose to put it in (e.g., ArrayList) may not be the form they want, and then the caller has to copy it anyway. if you return a stream, they can do collect(toCollection(factory)) and get it in exactly the form they want.
The above "prefer Stream" cases mostly derive from the f...
How do you automatically resize columns in a DataGridView control AND allow the user to resize the c
I am populating a DataGridView control on a Windows Form (C# 2.0 not WPF).
24 Answers
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How to force Selenium WebDriver to click on element which is not currently visible?
I am using Selenium 2 Java API with FirefoxDriver.
When I fill a form, checkboxes are added to the page depending the forms inputs.
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How do I format a number in Java?
How do I format a number in Java?
What are the "Best Practices"?
9 Answers
9
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What exactly is Arel in Rails 3.0?
...t that ARel has a proper object model for the queries means that it can perform optimizations on those queries long before it ever generates an actual SQL query.
will it be compatible with all major DBs? - I assume it will.
Yes. In fact, I always talked about SQL above, but actually a relational q...
What is the difference between a JavaBean and a POJO?
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In mathematical terms, we can say that Javabeans form a subset of POJO, because, specific constraints put on a POJO makes it a Javabean.
– Nishit
May 18 '15 at 7:33
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