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CSS background image alt attribute

...t, this is often recommended where presenting visual icons is more compact and user-friendly than an equivalent list of text blurbs. Any use of image sprites can benefit from this approach. It is quite common for hotel listings icons to display amenities. Imagine a page which listed 50 hotel and ea...
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What is the difference between encode/decode?

I've never been sure that I understand the difference between str/unicode decode and encode. 6 Answers ...
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Generate random 5 characters string

I want to create exact 5 random characters string with least possibility of getting duplicated. What would be the best way to do it? Thanks. ...
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Is it safe to remove selected keys from map within a range loop?

...r key := range m { if key.expired() { delete(m, key) } } And the language specification: The iteration order over maps is not specified and is not guaranteed to be the same from one iteration to the next. If map entries that have not yet been reached are removed during iteratio...
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Use of class definitions inside a method in Java

...a local class. 2 is the easy one: yes, a class file will be generated. 1 and 3 are kind of the same question. You would use a local class where you never need to instantiate one or know about implementation details anywhere but in one method. A typical use would be to create a throw-away impleme...
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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint

Below is the error message I receive in the debug area. It runs fine and nothing is wrong except that I receive this error. Would this prevent apple accepting the app? How do I fix it? ...
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Most simple but complete CMake example

... by how CMake works. Every time I think that I am getting closer to understand how CMake is meant to be written, it vanishes in the next example I read. All I want to know is, how should I structure my project, so that my CMake requires the least amount of maintainance in the future. For example, I ...
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Synchronous request in Node.js

... Please try IcedCoffeScript to which provides await and defer for nodejs. – Thanigainathan Jul 25 '14 at 22:21 ...
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jQuery Data vs Attr?

What is the difference in usage between $.data and $.attr when using data-someAttribute ? 3 Answers ...
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Allow CORS REST request to a Express/Node.js application on Heroku

...amework for node.js that works for requests from the js console in Chrome, and URL bar, etc. I'm now trying to get it working for requests from another app, on a different domain (CORS). ...