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Can you target with css?

... BR generates a line-break and it is only a line-break. As this element has no content, there are only few styles that make sense to apply on it, like clear or position. You can set BR's border but you won't see it as it has no visual dimension. If yo...
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Send message to specific client with socket.io and node.js

I'm working with socket.io and node.js and until now it seems pretty good, but I don't know how to send a message from the server to an specific client, something like this: ...
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Eclipse interface icons very small on high resolution screen in Windows 8.1

The various icons and buttons in the Eclipse (Kepler) interface are very, very small on a laptop with a 3200x1800px screen. The red error decoration that appears to indicate errors on files is difficult to see unless my nose a few cm from the screen. ...
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How was the first compiler written?

I heard about the chicken and the egg and bootstrapping. I have a few questions. 6 Answers ...
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What is the best workaround for the WCF client `using` block issue?

...ng my WCF service clients within a using block as it's pretty much the standard way to use resources that implement IDisposable : ...
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Unicode characters in URLs

...ent encoding. Modern browsers will take care of display & paste issues and make it human-readable. E. g. http://ko.wikipedia.org/wiki/위키백과:대문 Edit: when you copy such an url in Firefox, the clipboard will hold the percent-encoded form (which is usually a good thing), but if you copy...
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Algorithm for Determining Tic Tac Toe Game Over

I've written a game of tic-tac-toe in Java, and my current method of determining the end of the game accounts for the following possible scenarios for the game being over: ...
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What are database normal forms and can you give examples? [closed]

...imply normalization, which is a process of organizing columns (attributes) and tables (relations) to reduce data redundancy and improve data integrity. (as written on Wikipedia ). ...
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Good reasons to prohibit inheritance in Java?

... Item 19 of Joshua Bloch's excellent book "Effective Java", called "Design and document for inheritance or else prohibit it". (It's item 17 in the second edition and item 15 in the first edition.) You should really read it, but I'll summarize. The interaction of inherited classes with their parent...
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When and why JPA entities should implement Serializable interface?

The question is in the title. Below I just described some of my thoughts and findings. 14 Answers ...