I’m rebuilding an old Java project in Javascript, and realized that there’s no good way to do enums in JS. The best I can come up with is: const Colors = { RED: Symbol(“red”), BLUE: Symbol(“blue”), GREEN: Symbol(“green”) }; Object.freeze(Colors); The const keeps Colors from being reassigned, and freezing it prevents mutating the keys and … Read more
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 6 years ago. Improve this question Unicode has a million icon-like glyphs, but they’re very hard to search. Is there a Unicode … Read more
Is there a corresponding X mark to ✓ (✓)? What is it? 5 Answers 5
When I say { :bla => 1, :bloop => 2 }, what exactly does the : do? I read somewhere about how it’s similar to a string, but somehow a symbol. I’m not super-clear on the concept, could someone enlighten me? 9 Answers 9
I have used the following ggplot command: ggplot(survey, aes(x = age)) + stat_bin(aes(n = nrow(h3), y = ..count.. / n), binwidth = 10) + scale_y_continuous(formatter = “percent”, breaks = c(0, 0.1, 0.2)) + facet_grid(hospital ~ .) + theme(panel.background = theme_blank()) to produce I’d like to change the facet labels, however, to something shorter (like Hosp … Read more
This question already has answers here: Adding HTML entities using CSS content (9 answers) Closed 6 years ago. I have a problem. I have found the HTML code for the downwards arrow, ↓ (↓) Cool. Now I need to use it in CSS like so: nav a:hover {content:”&darr”;} That obviously won’t work since ↓ is … Read more
UPDATE: Recently a brilliant article from Mozilla came up. Read it if you’re curious. As you may know they are planning to include new Symbol primitive type in ECMAScript 6 (not to mention some other crazy stuff). I always thought that the :symbol notion in Ruby is needless; we could easily use plain strings instead, … Read more
How do I list the symbols being exported from a .so file? If possible, I’d also like to know their source (e.g. if they are pulled in from a static library). I’m using gcc 4.0.2, if that makes a difference. 1Best Answer 11 The standard tool for listing symbols is nm, you can use it … Read more
I’m looking for a HTML or ASCII character which is a triangle pointing up or down so that I can use it as a toggle switch. I found ↑ (↑), and ↓ (↓) – but those have a narrow stem. I’m looking just for the HTML arrow “head”. 20 20 Unicode arrows heads: ▲ – … Read more
What is this? This is a collection of questions that come up every now and then about syntax in PHP. This is also a Community Wiki, so everyone is invited to participate in maintaining this list. Why is this? It used to be hard to find questions about operators and other syntax tokens.¹ The main … Read more
