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Scala: write string to file in one statement
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A concise one line:
import java.io.PrintWriter
new PrintWriter("filename") { write("file contents"); close }
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When is it practical to use Depth-First Search (DFS) vs Breadth-First Search (BFS)? [closed]
...stand the differences between DFS and BFS, but I'm interested to know when it's more practical to use one over the other?
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What is Compass, what is sass…how do they differ?
... development. At the moment, I have installed Sass on a mac and instructed it to watch scss file for input, and a css file for generated output.
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推动“一带一路”IT产业怎么走 - 资讯 - 清泛网 - 专注C/C++及内核技术
推动“一带一路”IT产业怎么走“一带一路”倡议对其沿线国家及地区而言不仅意味着基础设施建设的提速，还有科技和文化的互联互通。如何把握机会借助“一带一路”走出去，如何在IT产业更为发达的地区站稳脚跟并抓住欠...
How do I get the current username in Windows PowerShell?
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I found it:
$env:UserName
There is also:
$env:UserDomain
$env:ComputerName
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JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images
Digital camera photos are often saved as JPEG with an EXIF "orientation" tag. To display correctly, images need to be rotated/mirrored depending on which orientation is set, but browsers ignore this information rendering the image. Even in large commercial web apps, support for EXIF orientation can ...
UIDevice uniqueIdentifier deprecated - What to do now?
It has just come to light that the UIDevice uniqueIdentifier property is deprecated in iOS 5 and unavailable in iOS 7 and above. No alternative method or property appears to be available or forthcoming.
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source of historical stock data [closed]
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Let me add my 2¢, it's my job to get good and clean data for a hedge-fund, I've seen quite a lot of data feeds and historical data providers. This is mainly about US stock data.
To start with, if you have some money don't bother with download...
In Functional Programming, what is a functor?
...ader already understands the term. Looking around on the web has provided either excessively technical descriptions (see the Wikipedia article ) or incredibly vague descriptions (see the section on Functors at this ocaml-tutorial website ).
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Is DateTime.Now the best way to measure a function's performance?
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No, it's not. Use the Stopwatch (in System.Diagnostics)
Stopwatch sw = Stopwatch.StartNew();
PerformWork();
sw.Stop();
Console.WriteLine("Time taken: {0}ms", sw.Elapsed.TotalMilliseconds);
Stopwatch automatically checks for t...