layout

What’s the difference between align-content and align-items?

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The align-items property of flex-box aligns the items inside a flex container along the cross axis just like justify-content does along the main axis. (For the default flex-direction: row the cross axis corresponds to vertical and the main axis corresponds to horizontal. With flex-direction: column those two are interchanged respectively). Here’s an example of how align-items:center looks: But align-content is for multi line flexible boxes. It has … Read more

This view is not constrained

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To quickly resolve this, use this very helpful shortcut in Android Studio: Right-click widget-in-question > Constraint Layout > Infer Constraints: Thereafter, you can tweak the constraints as described here: https://stackoverflow.com/a/37960888/5556250 Update This is not correct for the Android Studio v3 and up. As per @purpleladydragons’s comment: “Constraint Layout” is not in the dropdown menu. Use the magic wand icon … Read more

LaTeX: Multiple authors in a two-column article

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I put together a little test here: Things to note, the title, author and date fields are declared before \begin{document}. Also, the multicol package is likely unnecessary in this case since you have declared twocolumn in the document class. This example puts all four authors on the same line, but if your authors have longer names, departments or … Read more