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How can I pair socks from a pile efficiently?
...was pairing the socks from the clean laundry and figured out the way I was doing it is not very efficient. I was doing a naive search — picking one sock and "iterating" the pile in order to find its pair. This requires iterating over n/2 * n/4 = n 2 /8 socks on average.
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difference between throw and throw new Exception()
...ct, so that you can provide additional information about what the code was doing when the exception was thrown.
To do this, define a new class that inherits Exception, add all four exception constructors, and optionally an additional constructor that takes an InnerException as well as additional inf...
How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
How do you convert a Unix timestamp (seconds since epoch) to Ruby DateTime?
6 Answers
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How do I clone a single branch in Git?
...ile://$(pwd)/." singlebranch
'
Tobu comments that:
This is implicit when doing a shallow clone.
This makes git clone --depth 1 the easiest way to save bandwidth.
And since Git 1.9.0 (February 2014), shallow clones support data transfer (push/pull), so that option is even more useful now.
See more...
how to edit .csproj file
...e the need to view or edit your CSPROJ file while in Visual Studio you can do so by the following these simple steps:
Right click on your project in solution explorer and select Unload Project
Right click on the project (tagged as unavailable in solution explorer) and click "Edit yourproj.csproj"....
SVG图像加载扩展 - 第三方扩展集合 · App Inventor 2 中文网
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基础SVG加载 (SVGImages)
when Screen1.Initialize
do
// 从文件加载SVG
call SVGImages1.LoadFromFile "/storage/emulated/0/Documents/icon.svg"
when SVGImages1.ErrorOccurred error
do
show notification "SVG加载失败: " & error
从网络加载SVG (...
Android: Storing username and password?
...password to be used inside an Android application, what is the best way to do it? Is it through the preferences screen (but what if the user misses this?), or pop up a dialog box and ask the user for the credentials? If so, I do have to maintain state for the application. How would I do this?
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How do I generate random number for each row in a TSQL Select?
I need a different random number for each row in my table. The following seemingly obvious code uses the same random value for each row.
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Close and Dispose - which to call?
...lConnection or one of the several classes inheriting from the Stream class does it matter if I close Dispose rather than Close?
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Mixing Angular and ASP.NET MVC/Web api?
...I used to be pretty hardcore with ASP.NET MVC but since I've met Angular I do not see one reason why I would use any server side content generation framework. Pure Angular/REST(WebApi) gives a richer and smoother result. It's much faster and allows you to build websites that come quite close to desk...