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How do you list the active minor modes in emacs?

... C-h m or M-x describe-mode shows all the active minor modes (and major mode) and a brief description of each. share | improve this answer | ...
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When should one use RxJava Observable and when simple Callback on Android?

...I decided to try out Square's Retrofit . I see that they support simple Callback 9 Answers ...
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Why should I capitalize my SQL keywords? [duplicate]

Simple question. I personally find a string of lowercase characters to be more readable than a string of uppercase characters. Is some old/popular flavor of SQL case-sensitive or something? ...
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Should I return a Collection or a Stream?

...am().collect(toList()); So the question is, which is more useful to your callers. If your result might be infinite, there's only one choice: Stream. If your result might be very large, you probably prefer Stream, since there may not be any value in materializing it all at once, and doing so could c...
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How to: Define theme (style) item for custom widget

...; array.recycle(); } } Now you have to apply Theme.Custom to all activities that use CustomImageButton (in AndroidManifest.xml): <activity android:name=".MyActivity" android:theme="@style/Theme.Custom"/> That's all. Now CustomImageButton tries to load default attribute values ...
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What is the difference between MVC and MVVM? [closed]

...t. For ASP.Net, MVVM is used to two-way bind data within views. This is usually a client-side implementation (e.g. using Knockout.js). MVC on the other hand is a way of separating concerns on the server-side. For Silverlight and WPF, the MVVM pattern is more encompassing and can appear to act as a r...
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How to set JAVA_HOME environment variable on Mac OS X 10.9?

... Literally all you have to do is: echo export "JAVA_HOME=\$(/usr/libexec/java_home)" >> ~/.bash_profile and restart your shell. If you have multiple JDK versions installed and you want it to be a specific one, you can use...
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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?

... RaisePropertyChanged("ViewModelCopyOfSomeProperty"); } But typically this is only needed if more than one object will be making changes to the Model's data, which is not usually the case. If you ever have a case where you don't actually have a reference to your Model property to attach t...
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How do synchronized static methods work in Java and can I use it for loading Hibernate entities?

If I have a util class with static methods that will call Hibernate functions to accomplish basic data access. I am wondering if making the method synchronized is the right approach to ensure thread-safety. ...
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Simple way to encode a string according to a password?

... to do much work to implement a proper encryption scheme however. First of all, don’t re-invent the cryptography wheel, use a trusted cryptography library to handle this for you. For Python 3, that trusted library is cryptography. I also recommend that encryption and decryption applies to bytes; ...