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Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”

I just uninstalled my older versions of Ruby, removed all of my gems (including Rails), and installed Ruby 2.0. In other words, a totally clean re-install. Upon starting IRB, I received this message: ...
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Significance of a .inl file in C++

...st example is the STL header files which have no extension whatsoever. Usually, ".inl" files do contain inline code (hence the ".inl" extension). Those files ".inl" files are a necessity when you have a dependency cycle between header code. For example: // A.hpp struct A { void doSomethingEl...
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Can Java 8 code be compiled to run on Java 7 JVM?

... No, I don't think it will. Java has a small share of the desktop market, but keeps that little share in a pretty tight grip. But it does hamper the adoption of new versions and features. I will not be able to use Java 8 features in the code I write for quite some t...
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What are the dark corners of Vim your mom never told you about? [closed]

...en copy it back again. You obviously have to be on a system with sudo installed and have sudo rights. share | improve this answer | follow | ...
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What is stack unwinding?

... Stack unwinding is usually talked about in connection with exception handling. Here's an example: void func( int x ) { char* pleak = new char[1024]; // might be lost => memory leak std::string s( "hello world" ); // will be properly de...
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Difference between style = “position:absolute” and style = “position:relative”

...ive positioning, on the other hand, is just like stating no positioning at all, but the left, right, top and bottom attributes "nudge" the element out of their normal layout. The rest of the elements on the page still get laid out as if the element was in its normal spot though. For example, if I h...
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Restarting cron after changing crontab file?

... the cron man page: ...cron will then examine the modification time on all crontabs and reload those which have changed. Thus cron need not be restarted whenever a crontab file is modified But if you just want to make sure its done anyway, sudo service cron reload or /etc/init.d...
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Count immediate child div elements using jQuery

... how the question specifies he wants to count only the "div" elements, not all elements. – Angel Blanco Mar 5 '14 at 11:55 add a comment  |  ...
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How to properly ignore exceptions

...is is true, but if you're not careful, you can run into subtle bugs (especially if you're doing something other than passing on StopIteration). – Jason Baker Apr 8 '09 at 17:46 17 ...
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How to interpret API documentation function parameters?

...a way as to confuse perennial newbs / hackers / DIYers like myself? It's really not meant to be written that way. I'll agree there seems to be no ease of use across API documentations. However, there is a lot of cross over from older man style syntax conventions, to the modern API/namespace conventi...