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How to get error message when ifstream open fails

... Every system call that fails update the errno value. Thus, you can have more information about what happens when a ifstream open fails by using something like : cerr << "Error: " << strerror(errno); However, since every s...
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Differences between numpy.random and random.random in Python

...of much higher quality than is available from random.random alone. You usually don't need this, though. – SingleNegationElimination Aug 11 '11 at 18:36 ...
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How to make a smooth image rotation in Android?

... that I'm using as a custom cyclical spinner in Android. Here's my rotate_indefinitely.xml file, which I placed in res/anim/ : ...
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UIButton: set image for selected-highlighted state

....highlighted]) To set the background image we can use setBackgroundImage(_:for:) Swift 2.x // Normal button.setImage(UIImage(named: "image1"), forState: .Normal) // Highlighted button.setImage(UIImage(named: "image2"), forState: .Highlighted) // Selected button.setImage(UIImage(named: "image3"...
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What is an optional value in Swift?

...g and writing code more fluent. Unfortunately this obscures the way it actually works. I'll go through some of the tricks later. Note: I'll be talking about optional variables a lot, but it's fine to create optional constants too. I mark all variables with their type to make it easier to understand ...
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Make an image width 100% of parent div, but not bigger than its own width

... If the image is smaller than parent... .img_100 { width: 100%; } share | improve this answer | follow | ...
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How do you check whether a number is divisible by another number (Python)?

... @Chris_Rands Put that into an answer, people who do code-golf (like me) would be very happy. In fact, I came here looking for a golfed answer like that. – MilkyWay90 Nov 11 '18 at 22:29 ...
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Jackson - Deserialize using generic class

...= Util.<List<TaskBean>>convertJsonToPOJO("E:/J2eeWorkspaces/az_workspace_svn/az-client-service/dir1/dir2/filename.json", TaskBean.class); share | improve this answer | ...
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No internet on Android emulator - why and how to fix? [closed]

... command line: emulator -avd Pixel_C_API_26 -dns-server 8.8.8.8,8.8.4.4 – Tom Nov 15 '17 at 2:30 ...
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Is it possible to have two partial classes in different assemblies represent the same class?

...Model.Data.GetFormattedName()</h1> <img src="~/Images/People/image_@(Model.MetaData["image"]).png" > <ul> <li>@Model.MetaData["comments"]</li> <li>@Model.MetaData["employer_comments"]</li> </ul> @Html.EditorFor(m => m.PersonDetails) ...