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What does the double colon (::) mean in CSS?
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112
It means pseudo element selector. It means the element to the right doesn't exist in the norma...
How to add 10 days to current time in Rails
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Use
Time.now + 10.days
or even
10.days.from_now
Both definitely work. Are you sure you're in Rails and not just Ruby?
If you definitely are in Rails, where are you trying to run this from? Note that Active Support has to be loaded.
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Can I initialize a C# attribute with an array or other variable number of arguments?
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179
Attributes will take an array. Though if you control the attribute, you can also use params in...
Do using statements and await keywords play nicely in c#
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1 Answer
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How to redirect cin and cout to files?
...know what each line in the code does. I've tested it on my pc with gcc 4.6.1; it works fine.
#include <iostream>
#include <fstream>
#include <string>
void f()
{
std::string line;
while(std::getline(std::cin, line)) //input from the file in.txt
{
std::cout <...
presentModalViewController:Animated is deprecated in ios6
... get dismissModalViewController:animated deprecated. I'm using the SDK 6.1.
5 Answers
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Is it possible to rotate a drawable in the xml description?
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137
I could rotate in XML:
<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android=...
Sourcemaps off by one line in Chrome, with Ruby on Rails, Webpack, and React JS
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1 Answer
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How to get form field's id in Django?
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171
You can get the ID like this:
{{ field.auto_id }}
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How to locate the vimrc file used by vim editor?
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1 Answer
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