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What is Objective C++? [closed]
... that mixes Objective-C classes and C++ classes (two entirely unrelated entities). Your C++ code will work, just as before, and the resulting executable will be linked with the Objective-C runtime, so your Objective-C classes will work as well. You can definitely use it in Xcode -- name your files w...
How to generate a core dump in Linux on a segmentation fault?
...ve a process in Linux that's getting a segmentation fault. How can I tell it to generate a core dump when it fails?
12 Ans...
How to include js file in another js file? [duplicate]
...ipt file in an HTML page, not in another script file. That said, you can write JavaScript which loads your "included" script into the same page:
var imported = document.createElement('script');
imported.src = '/path/to/imported/script';
document.head.appendChild(imported);
There's a good chance y...
Rails 3 - can't install pg gem
...path to the pg_config. Try to install the gem using:
gem install pg -- --with-pg-config= 'PATH_TO_YOUR_PG_CONFIG'
If you are not sure where your pg_config is, and assuming you are on Linux or Mac, you can run the following command:
which pg_config
Your pg-config can be in different locations d...
How to semantically add heading to a list
...ntent elements are for. So, for instance you could do
<h2>About Fruits</h2>
<section>
<h3>Fruits I Like:</h3>
<ul>
<li>Apples</li>
<li>Bananas</li>
<li>Oranges</li>
</ul>
</section>
<!-- anythi...
Dynamic constant assignment
...hod you are assigning a new value to the constant. This is not allowed, as it makes the constant non-constant; even though the contents of the string are the same (for the moment, anyhow), the actual string object itself is different each time the method is called. For example:
def foo
p "bar".ob...
Understanding Spliterator, Collector and Stream in Java 8
...g trouble understanding the Stream interface in Java 8, especially where it has to do with the Spliterator and Collector interfaces. My problem is that I simply can't understand Spliterator and the Collector interfaces yet, and as a result, the Stream interface is still somewhat obscure ...
Redirecting to a certain route based on condition
I'm writing a small AngularJS app that has a login view and a main view, configured like so:
11 Answers
...
How to return an empty ActiveRecord relation?
If I have a scope with a lambda and it takes an argument, depending on the value of the argument, I might know that there will not be any matches, but I still want to return a relation, not an empty array:
...
Multiple Inheritance in PHP
...an way to go around the fact that PHP5 still doesn't support multiple inheritance. Here's the class hierarchy:
11 Answers
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