var attr = ~'input,textarea'.indexOf( target.tagName.toLowerCase() ) ? 'value' : 'innerHTML' I saw it in an answer, and I’ve never seen it before. What does it mean? 5 Answers 5
I am working through a book which gives examples of Ranges being converted to equivalent arrays using their “to_a” methods When i run the code in irb I get...
I’ve seen Bash scripts test for a non-zero length string in two different ways. Most scripts use the -n option: #!/bin/bash # With the -n option if [ -n...
Question 1: Why does the following code compile without having a return statement? public int a() { while(true); } Notice: If I add return after the while then I...
What do you call the -> operator as in the following? ->(...) do ... end Aren’t the following snippets equivalent? succ = ->(x) {x + 1} succ = lambda...
This question already has answers here: What is the difference between $(command) and `command` in shell programming? (6 answers) Closed 3 months ago. There are two ways to capture...
I have gotten the following to work: for i in {2..10} do echo "output: $i" done It produces a bunch of lines of output: 2, output: 3, so on....
I have some JavaScript code that works in FireFox but not in Chrome or IE. In the Chrome JS Console I get the follow error: “Uncaught SyntaxError: Unexpected end...
I am confused about a bash script. I have the following code: function grep_search() { magic_way_to_define_magic_variable_$1=`ls | tail -1` echo $magic_variable_$1 } I want to be able to create...
What is the official name for the “special” ASP.NET tags like this: <%# %> <%= %> <%@ %> <%$ %> I can’t seem to figure out the conceptual or...