When should I use single quotes and double quotes in C or C++ programming? 14 Answers 14
This question already has answers here: How to access object attribute given string corresponding to name of that attribute (3 answers) Closed 4 years ago. I have a class...
I’ve seen this in a few places function fn() { return +new Date; } And I can see that it is returning a timestamp rather than a date object,...
&& is notoriously hard to search for on Google Search, but the best I’ve found is this article which says to use -and. Unfortunately it doesn’t give any more...
I came across the following line hsb.s = max != 0 ? 255 * delta / max : 0; What do the ? and : mean in this context?...
What does the % in a calculation? I can’t seem to work out what it does. Does it work out a percent of the calculation for example: 4 %...
I have a problem when querying mongoDB with nested objects notation: db.messages.find( { headers : { From: "reservations@marriott.com" } } ).count() 0 db.messages.find( { 'headers.From': "reservations@marriott.com" } ).count() 5...
I’ve always used single quotes when writing my HTML by hand. I work with a lot of rendered HTML which always uses double quotes. This allows me to determine...
Block syntax in Objective C (and indeed C, I presume) is notoriously incongruous. Passing blocks as arguments looks different than declaring blocks as ivars, which looks different than typedefing...
I’m confused about this. Most of us have been told that there isn’t any goto statement in Java. But I found that it is one of the keywords in...