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What is the difference between float and double?

...the difference between double precision and single precision. However, in most cases, float and double seem to be interchangeable, i.e. using one or the other does not seem to affect the results. Is this really the case? When are floats and doubles interchangeable? What are the differences betwe...
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How to execute a java .class from the command line

...get another error message like. Exception in thread "main" java.lang.NoSuchMethodError: main When that happens, go and read his answer :) share | improve this answer | ...
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Loading existing .html file with android WebView

I did try samples, demos from Google codes and other resources with WebView , but when i try to do it in my own code, it doesn't work for me. ...
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How to change an application icon programmatically in Android?

Is it possible to change an application icon directly from the program? I mean, change icon.png in the res\drawable folder. I would like to let users to change application's icon from the program so next time they would see the previously selected icon in the launcher. ...
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Import module from subfolder

...ou don't have to prefix everything with Foo1? – jxramos Apr 12 '17 at 23:41 1 @AzizAlto: without ...
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Limit file format when using ?

I'd like to restrict the type of file that can be chosen from the native OS file chooser when the user clicks the Browse button in the <input type="file"> element in HTML. I have a feeling it's impossible, but I'd like to know if there is a solution. I'd like to keep solely to HTML and Jav...
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How can I replace a newline (\n) using sed?

...e with a space on the pattern space (which is the whole file). Here is cross-platform compatible syntax which works with BSD and OS X's sed (as per @Benjie comment): sed -e ':a' -e 'N' -e '$!ba' -e 's/\n/ /g' file As you can see, using sed for this otherwise simple problem is problematic. For a...
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Singletons vs. Application Context in Android?

Recalling this post enumerating several problems of using singletons and having seen several examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Applicat...
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What goes into your .gitignore if you're using CocoaPods?

I've been doing iOS development for a couple of months now and just learned of the promising CocoaPods library for dependency management. ...
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How do I do a 'git status' so it doesn't display untracked files without using .gitignore?

...mand-line operation; not a git config file edit. – Ross Rogers Dec 4 '17 at 17:55 What if I have done, git reset --ha...