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Change “on” color of a Switch

... As of now it is better to use SwitchCompat from the AppCompat.v7 library. You can then use simple styling to change the color of your components. values/themes.xml: <style name="Theme.MyTheme" parent="Theme.AppCompat.Light"> <!-- colorPrimary is used fo...
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What's the difference between UTF-8 and UTF-8 without BOM?

...or UTF-8, but may be encountered in contexts where UTF-8 data is converted from other encoding forms that use a BOM or where the BOM is used as a UTF-8 signature. See the “Byte Order Mark” subsection in Section 16.8, Specials, for more information. ...
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What does an exclamation mark mean in the Swift language?

... value, this can be obtained by "unwrapping" the variable (obtaining the T from Some(T)). How is john!.apartment = number73 different from john.apartment = number73? (Paraphrased) If you write the name of an Optional variable (eg text john, without the !), this refers to the "wrapped" enum (S...
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What's so bad about in-line CSS?

... hurts your application semantically: CSS is about separating presentation from markup. When you tangle the two together, things get much more difficult to understand and maintain. It's a similar principle as separating database code from your controller code on the server side of things. Finally, ...
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Why “decimal” is not a valid attribute parameter type?

... types and arrays of primitives (may have missed a minor one). Taken from this answer by JaredPar. Decimals while a basic type are not a primitive type and hence cannot be represented in metadata which prevents it from being an attribute parameter. ...
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HTML 5 Favicon - Support?

... website one must use the following code: Here are detailed instructions from Microsoft but here is a synopsis: Step 1 Create a square image for your website, to support hi-res screens create it at 768x768 pixels in size. Step 2 Add a hidden overlay of this image. Here is example code from Mic...
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Will Emacs make me a better programmer? [closed]

...extend there is, and it is the environment where you reap the most benefit from extending it--your extensions integrate into Emacs like they are stock features, and so your future extensions may build upon your previous ones (positive-feedback-loop kind-of thing). ...
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How to implement a tree data-structure in Java? [closed]

...to do what you need. All you need to add are methods for add to, removing from, traversing, and constructors. The Node is the basic building block of the Tree. share | improve this answer ...
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How do I install a module globally using npm?

...eral recommendations concerning npm module installation since 1.0rc (taken from blog.nodejs.org): If you’re installing something that you want to use in your program, using require('whatever'), then install it locally, at the root of your project. If you’re installing something th...
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What happens when there's insufficient memory to throw an OutOfMemoryError?

... From the JVM Spec, Chapter 3.5.2: If Java virtual machine stacks can be dynamically expanded, and expansion is attempted but insufficient memory can be made available to effect the expansion, or if insufficient memory can...