It is called Folding in Android Studio. First make sure it is enabled in config (it should be by default). Go to File -> Settings, then under the IDE Settings area find Editor -> General -> Code Folding, check the Show code folding outline. To collapse/expand items use the Code -> Folding menu. Edit: To … Read more
2018 UPDATE Bootstrap 4 Changing the navbar breakpoint is easier in Bootstrap 4 using the navbar-expand-* classes: <nav class=”navbar fixed-top navbar-expand-sm”>..</nav> navbar-expand-sm = mobile menu on xs screens <576px navbar-expand-md = mobile menu on sm screens <768px navbar-expand-lg = mobile menu on md screens <992px navbar-expand-xl = mobile menu on lg screens <1200px navbar-expand = … Read more
There are two main types of margin collapse: Collapsing margins between adjacent elements Collapsing margins between parent and child elements Using a padding or border will prevent collapse only in the latter case. Also, any value of overflow different from its default (visible) applied to the parent will prevent collapse. Thus, both overflow: auto and … Read more