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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
...pens if the object cannot be returned. With a Try method, you immediately know what to do.
– OregonGhost
Oct 6 '08 at 20:52
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Static nested class in Java, why?
... @DavidS Thanks for the link! Yeah, I was wrong, reading my comment now I see that my rephrase was incorrect. As you said: An inner class interacts with the instance members through an implicit reference to its enclosing class, and this points out another interesting property of non-static in...
How to open a local disk file with JavaScript?
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I currently use this with development versions of Chrome (6.x). I don't know what other browsers support it.
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Detect whether there is an Internet connection available on Android [duplicate]
...e, but does not check that device is connected to the internet. To really know about active internet connection, you should to use HttpURLConnection to some host, ping some host (e.g. google.com) or try to use InetAddress.getByName(hostName).isReachable(timeOut)
– Dimon
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_csv.Error: field larger than field limit (131072)
...Try checking the limit again
csv.field_size_limit()
Out[22]: 100000000
Now you won't get the error "_csv.Error: field larger than field limit (131072)"
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Why does this CSS margin-top style not work?
...ocks! Just something to add. Your quote of w3c says it but I only realized now. So just to be clear for others you could also give #outer a border.
– driechel
Feb 23 '14 at 22:55
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Makefile, header dependencies
...for the two targets, too. That's what I get for typing from memory. Try it now.
– dmckee --- ex-moderator kitten
Aug 23 '11 at 21:15
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How to resolve “must be an instance of string, string given” prior to PHP 7?
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As of PHP 7.0 type declarations allow scalar types, so these types are now available: self, array, callable, bool, float, int, string. The first three were available in PHP 5, but the last four are new in PHP 7. If you use anything else (e.g. integer or boolean) that will be interpreted as a cla...
django - why is the request.POST object immutable?
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Nice. And I'm sure whoever use this code knows what he or she is doing.
– John Pang
Sep 20 '18 at 9:21
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How does an underscore in front of a variable in a cocoa objective-c class work?
...ttributes have used an underscore _ in front of the variable. Does anyone know what this means? Or how it works?
9 Answers
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