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Why are interface variables static and final by default?

...red Mar 12 '10 at 5:50 Amir AfghaniAmir Afghani 34.4k1616 gold badges7878 silver badges116116 bronze badges ...
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java.net.ConnectException: Connection refused

I'm trying to implement a TCP connection, everything works fine from the server's side but when I run the client program (from client computer) I get the following error: ...
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super() in Java

...n be a teacher, etc. But I think you understand the difference compared to Animal -> Dog for instance. A Dog is necessarily an Animal. Parent/child is typically a has a relationship ("A parent has a child") while an Animal/dog is an "is a" relationship. See aioo.be/2016/06/29/a-child-is-not-alway...
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Check whether user has a Chrome extension installed

...at somehow. Edit: As mentioned below, you'll need to add an entry to the manifest.json listing the domains that can message your addon. Eg: "externally_connectable": { "matches": ["*://localhost/*", "*://your.domain.com/*"] }, ...
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Post-increment and pre-increment within a 'for' loop produce same output [duplicate]

...tween pre- and post-incrementing correctly, but they misunderstand the mechanics of the for() loop. In that case, I ask them to rewrite the loop using while(), and this really gives me a good idea of their thought processes. And that's why I ask the question in the first place: I want to know how ...
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“Register” an .exe so you can run it from any command line in Windows

... edited Apr 14 '15 at 11:54 Daniel Schneller 12.7k55 gold badges4040 silver badges6868 bronze badges answered Jan 27 '11 at 22:22 ...
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SimpleTest vs PHPunit

I was wondering if anyone that has experience in both this stuff can shed some light on the significant difference between the two if any? ...
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How to use JavaScript regex over multiple lines?

... [.\n] does not work because . has no special meaning inside of [], it just means a literal .. (.|\n) would be a way to specify "any character, including a newline". If you want to match all newlines, you would need to add \r as well to include Windows and classic Mac OS s...
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The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl

When I attempt to connect to a MySQL server from PHP, I see the following error: 1 Answer ...
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Custom HTTP headers : naming conventions

...on the prefix -- your app-specific, private-API, personal-data-passing-mechanism is becoming even better-insulated against name-space collisions with the small number of official reserved header names. That said, my personal preference and recommendation is to go a step further and do e.g. "X-ACME-C...