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How do I preview emails in Rails?
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Action Mailer now has a built in way of previewing emails in Rails 4.1. For example, check this out:
# located in test/mailers/previews/notifier_mailer_preview.rb
class NotifierPreview < ActionMailer::Preview
# Accessible from http:...
How do I get currency exchange rates via an API such as Google Finance? [closed]
Now, I did find the Google Finance API and started looking through that but I found a lot of info about portfolios, transactions, positions & other stuff I know nothing about.
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What are inline namespaces for?
...8/03
inline
# endif
namespace cxx_1997 {
// std::vector now has an allocator argument
template <class T, class Alloc=std::allocator<T> >
class vector : pre_cxx_1997::__vector_impl<T> { // the old impl is still good
// ...
};
...
Check string for palindrome
... will compare word[0] and word[4]. They're equal, so we increment i1 (it's now 1) and decrement i2 (it's now 3).
So we then compare the n's. They're equal, so we increment i1 (it's now 2) and decrement i2 (it's 2).
Now i1 and i2 are equal (they're both 2), so the condition for the while loop is no l...
git stash changes apply to new branch?
I was working on master branch, made some changes and then stashed them. Now, my master is at HEAD.
3 Answers
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Is there a way to reduce the size of the git folder?
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Some explanation of what those do? I know that we can Google them and search for their documentation, but it is a common practice to provide short description of your answer when it involves just code or commands.
– Dzhuneyt
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What is this Javascript “require”?
...b browser with a limited global context defined mostly by what came to be known as the Document Object Model (DOM) level 0 (the Netscape Navigator Javascript API).
Server-side Javascript eliminates that restriction and allows Javascript to call into various pieces of native code (like the Postgres ...
Understanding reference counting with Cocoa and Objective-C
...e count is decremented. If, after calling release, the reference count is now zero, then that object's memory is freed by the system.
The basic way this differs from malloc and free is that any given object doesn't need to worry about other parts of the system crashing because you've freed memory ...
var self = this?
...// "this" is different here! --- but we don't care!
console.log(abc); // now it is the right object!
function qwe(){
// "this" is different here too! --- but we don't care!
console.log(abc); // it is the right object here too!
}
...
};
this is not unique in this respect: arguments ...
Rebasing a Git merge commit
...bout what contents will be in that merge commit, we only need nice history now.
History will looks like that (ignoring master):
* 51984c7 Merge branch 'topic' [HEAD -> correct-history]
|\
| * b62cae6 2 [topic]
* | f5a7ca8 5 [origin/master]
* | e7affb...