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dynamic_cast and static_cast in C++

...t runtime, and work by querying the object (no need to worry about how for now), asking it if it the type we're looking for. If it is, dynamic_cast<Type*> returns a pointer; otherwise it returns NULL. In order for this base-to-derived casting to work using dynamic_cast<>, Base, Foo and...
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What is the difference between 'content' and 'text'

... Thank you. I now see the small b preceding the first example with the text "for non-text requests", which means that the object is a bytes object. It is not clear why the bytes is being displayed as text, perhaps that is another Python 'n...
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Why am I getting a NoClassDefFoundError in Java?

...empted to load a class from the classpath, but it failed for some reason - now we're trying to use the class again (and thus need to load it, since it failed last time), but we're not even going to try to load it, because we failed loading it earlier (and reasonably suspect that we would fail again)...
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A std::map that keep track of the order of insertion?

...o drop in a massive library. I was disappointed. So I wrote my own. And now I've shared it. share | improve this answer | follow | ...
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right click context menu for datagridview

...rom your grid, such as the ID. Store the ID as the menu event's tag item. Now, when user actually clicks your menu item, use the Sender property to fetch the tag. Use the tag, containing your ID, to perform the action you need. ...
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Expansion of variables inside single quotes in a command in Bash

... @Evert: Don't know how to say it better. I've removed the sentence. – Jo So Mar 9 '17 at 15:13 ...
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Deploying my application at the root in Tomcat

... I know that my answer is kind of overlapping with some of the other answer, but this is a complete solution that has some advantages. This works on Tomcat 8: The main application is served from the root The deployment of war f...
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How do I check if a string is a number (float)?

...NaN') nan Otherwise, I should actually thank you for the piece of code I now use extensively. :) G. share | improve this answer | follow | ...
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2 column div layout: right column with fixed width, left fluid

... @Danny_Joris I agree. Also, if you use media queries, it's difficult now to push the right column below the left column – andrewtweber Sep 3 '13 at 19:29 2 ...
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convert streamed buffers to utf8-string

... I changed the topic-title and edited the answer. It now shows both solutions: converting streamed buffers and a single buffer using toString. – Biggie Feb 16 '15 at 10:14 ...