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Need a simple explanation of the inject method

...umulator: the result of each run of the block is stored in the accumulator and then passed to the next execution of the block. In the case of the code shown above, you are defaulting the accumulator, result, to 0. Each run of the block adds the given number to the current total and then stores the r...
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Validate phone number with JavaScript

I found this code in some website, and it works perfectly. It validates that the phone number is in one of these formats: (123) 456-7890 or 123-456-7890 ...
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Auto Scale TextView Text to Fit within Bounds

...ize wrapping text in a TextView so that it will fit within its getHeight and getWidth bounds. I'm not simply looking for a way to wrap the text- I want to make sure it both wraps and is small enough to fit entirely on the screen. ...
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How to draw a rounded Rectangle on HTML Canvas?

...od to draw a rectangle with rounded corners. How about using the lineTo() and arc() methods? You can also use the quadraticCurveTo() method instead of the arc() method. share | improve this answer...
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JSON left out Infinity and NaN; JSON status in ECMAScript?

Any idea why JSON left out NaN and +/- Infinity? It puts Javascript in the strange situation where objects that would otherwise be serializable, are not, if they contain NaN or +/- infinity values. ...
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Maven in Eclipse: step by step installation [closed]

I have spent been on the Maven site reading the 5- and 30-minute tutorials, and trialing Maven out for the first time. 13 A...
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How to check sbt version?

...t to use sbt about that (copying Mark Harrah's comment): The about command was added recently to try to succinctly print the most relevant information, including the sbt version. share | impr...
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Replacing NULL with 0 in a SQL server query

I have developed a query, and in the results for the first three columns I get NULL . How can I replace it with 0 ? 11 ...
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.NET 4.0 has a new GAC, why?

... it mean now we have to manage two GACs, one for .NET 2.0-3.5 applications and the other for .NET 4.0 applications? 3 Answe...
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Performance of Arrays vs. Lists

...u need to have a list/array of integers which you need iterate frequently, and I mean extremely often. The reasons may vary, but say it's in the heart of the inner most loop of a high volume processing. ...