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Is std::unique_ptr required to know the full definition of T?
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Adopted from here.
Most templates in the C++ standard library require that they be instantiated with complete types. However shared_ptr and unique_ptr are partial exceptions. Some, but not all of their members can be instantiated with incomplete types. The motivation for ...
Is Safari on iOS 6 caching $.ajax results?
...n so it is using the Safari WebView. Our $.ajax calls are POST methods and we have cache set to false {cache:false} , but still this is happening. We tried manually adding a TimeStamp to the headers but it did not help.
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What is the difference between self-types and trait subclasses?
...njection in Scala, including the Cake Pattern. If you Google "Cake Pattern and Scala", you'll get many links, including presentations and videos. For now, here is a link to another question.
Now, as to what is the difference between a self type and extending a trait, that is simple. If you say B ex...
How to make a PHP SOAP call using the SoapClient class
...use Object-Oriented coding. I now need to interact with SOAP (as a client) and am not able to get the syntax right. I've got a WSDL file which allows me to properly set up a new connection using the SoapClient class. However, I'm unable to actually make the right call and get data returned. I need t...
How to limit depth for recursive file list?
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I use -print0 and xargs -0 a lot. Example: find . -maxdepth 1 -type d -print0 | xargs -0 ls -d
– Chris K
Mar 16 '14 at 21:53
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How do I create a Java string from the contents of a file?
I've been using the idiom below for some time now. And it seems to be the most wide-spread, at least on the sites I've visited.
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Django migration strategy for renaming a model and relationship fields
...ome errors if you don't update the names where it's imported e.g. admin.py and even older migration files (!).
Update: As ceasaro mentions, newer versions of Django are usually able to detect and ask if a model is renamed. So try manage.py makemigrations first and then check the migration file.
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What CSS selector can be used to select the first div within another div
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Agree that it's the ONLY correct answer to the question and it should be accepted.
– Ilya Streltsyn
Jul 17 '13 at 16:51
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What does && mean in void *p = &&abc;
... defined in the current function.
void *p = &&abc is illegal in standard C99 and C++.
This compiles with g++.
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Why do you need to invoke an anonymous function on the same line?
I was reading some posts about closures and saw this everywhere, but there is no clear explanation how it works - everytime I was just told to use it...:
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