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When does invoking a member function on a null instance result in undefined behavior?
...ike MinGW that attempt to allow g++ to compile code that calls the Windows API
– M.M
Dec 10 '15 at 11:15
@M.M I think ...
Why doesn't a python dict.update() return the object?
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Python's API, by convention, distinguishes between procedures and functions. Functions compute new values out of their parameters (including any target object); procedures modify objects and don't return anything (i.e. they return Non...
Microsoft CDN for jQuery or Google CDN? [closed]
...verage: Simply because it's used more (it's been around longer) ajax.googleapis.com is likely to be returned by DNS sooner than ajax.microsoft.com, simply because the local DNS server was more likely to get a request for it (this is a first user in the area penalty). This is a very minor thing and ...
Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
..., I still felt compelled to update this to leverage modern conventions and API, notably:
Use NSURLSession rather than dispatching -[NSData contentsOfURL:] to a background queue;
Use dequeueReusableCellWithIdentifier:forIndexPath: rather than dequeueReusableCellWithIdentifier: (but make sure to use...
pythonw.exe or python.exe?
...ShellExecuteEx (just for console programs, as noted) because the GUI shell API otherwise has no support for standard I/O.
– Eryk Sun
Jul 28 '16 at 3:41
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Fully custom validation error message with Rails
... Lovely. I was looking for getting a one-liner message for my API app and you have shown me how to manipulate the errors class. TY
– ARK
Aug 7 at 15:02
add a comm...
Scala vs. Groovy vs. Clojure [closed]
...lent Java class - types and all. As a case in point, the entire Akka Java API is written in Scala. So please explain what you mean by "can't integrate" here - because it reads like FUD to me.
– Kevin Wright
Mar 30 '15 at 14:41
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What's the difference between Task.Start/Wait and Async/Await?
... I guess Eric assumes that you have a basic understanding of the Task api. I look at that code and say to myself "yup t.Wait is going to block on the main thread until the task is completed."
– The Muffin Man
Jan 5 '15 at 21:42
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Difference between Node object and Element object?
...arify is that Node is an interface not a class. from which a number of DOM API object types inherit. It allows those types to be treated similarly; for example, inheriting the same set of methods, or being tested in the same way. I found this in mozilla link that you refer to. thanks for precious a...
Why do I need to override the equals and hashCode methods in Java?
...ve the usability of your classes as keys in hash-based collections. As the API doc for hashCode explains: "This method is supported for the benefit of hashtables such as those provided by java.util.Hashtable."
The best answer to your question about how to implement these methods efficiently is sugge...