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Get size of an Iterable in Java

.... In general, if there is the chance that values is actually a Collection and not only an Iterable, check this and call size() in case: if (values instanceof Collection<?>) { return ((Collection<?>)values).size(); } // use Iterator here... The call to size() will usually be much fa...
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Sending mail from Python using SMTP

...www1.cs.columbia.edu/~db2501/ssmtplib.py) As in your script, the username and password, (given dummy values below), used to authenticate on the SMTP server, are in plain text in the source. This is a security weakness; but the best alternative depends on how careful you need (want?) to be about pro...
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how to calculate binary search complexity

...ula? log2(7)? I did a brute force calculation with every possible outcome, and came to an answer that did not equal log2(7), so what am I doing wrong? – Perry Monschau Nov 27 '16 at 17:08 ...
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What is Delegate? [closed]

...til runtime. So you use a "delegate" for that purpose. Delegates come in handy for things like event handlers, and such, where you do different things based on different events, for example. Here's a reference for C# you can look at: In C#, for example, let's say we had a calculation we wanted to...
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Should .nuget folder be added to version control?

...tomatically restore packages on build. So the .nuget folder can be deleted and the option removed from your projects. http://docs.nuget.org/docs/reference/package-restore UPDATE: With the release of NuGet 4.x and .NET Standard 2.0, when you use the new csproj format you can now use package referen...
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Why doesn't Java allow to throw a checked exception from static initialization block?

... Because it is not possible to handle these checked exceptions in your source. You do not have any control over the initialization process and static{} blocks cannot be called from your source so that you could surround them with try-catch. Because you can...
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How To fix white screen on app Start up?

I have an android app which displays a white screen for 2 seconds on startup. My other apps don't do this, but this one does. I have also implemented a splashscreen with the hope that it would fix this. Should I increase my splash screen sleep time? Thanks. ...
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Where do I find some good examples for DDD? [closed]

...The difficulty with DDD samples is that they're often very domain specific and the technical implementation of the resulting system doesn't always show the design decisions and transitions that were made in modelling the domain, which is really at the core of DDD. DDD is much more about the process ...
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Git asks for username every time I push

... Edit (by @dk14 as suggested by moderators and comments) WARNING: If you use credential.helper store from the answer, your password is going to be stored completely unencrypted ("as is") at ~/.git-credentials. Please consult the comments section below or the answers ...
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Visual Studio: Multiple post-build commands?

Visual Studio 2008 lets me declare a command and attach it to the post-build event for a project. Like a lot of developers, I use it regularly to xcopy files to the application output directory. ...