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Is null check needed before calling instanceof?
... operator is true if the
value of the RelationalExpression is
not null and the reference could be
cast to the ReferenceType
without raising a ClassCastException.
Otherwise the result is false."
So if the operand is null, the result is false.
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What are the true benefits of ExpandoObject?
The ExpandoObject class being added to .NET 4 allows you to arbitrarily set properties onto an object at runtime.
10 Answ...
Does free(ptr) where ptr is NULL corrupt memory?
...believe it's safe to assume free(NULL) is a nop as per instructed by the standard.
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How can I get a favicon to show up in my django app?
I just want to drop the favicon.ico in my staticfiles directory and then have it show up in my app.
12 Answers
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Is there a shortcut to make a block comment in Xcode?
I'm writing ANSI-compatible C code, and hence I can't use the line ( // ) comment. I'm using Xcode. In Sublime Text and Eclipse, and I think most other IDEs, there are separate keyboard shortcuts for line comments and block comments ( /**/ ). However, I don't see that in Xcode - in fact, I don't eve...
Converting an object to a string
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For reference IE6 and 7 do not support this. IE6 isn't that big a deal because of very few users, and an active campaign to kill it ... but there are still quite a few IE7 users out there (depends on your user base).
– Mi...
ERROR:'keytool' is not recognized as an internal or external command, operable program or batch file
When i use the command
26 Answers
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C++: what regex library should I use? [closed]
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Boost.Regex is very good and is slated to become part of the C++0x standard (it's already in TR1).
Personally, I find Boost.Xpressive much nicer to work with. It is a header-only library and it has some nice features such as static regexes (regexes ...
Installing PIL with pip
I am trying to install PIL (the Python Imaging Library) using the command:
21 Answers
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How do I get the file name from a String containing the Absolute file path?
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How come it doesn't exist on Android? weird.
– android developer
Sep 9 '14 at 22:13
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