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Simple explanation of clojure protocols
...rations. And particularly, we want to be able to add new operations which work with the existing data types, and we want to add new data types which work with the existing operations. And we want this to be true extension, i.e. we don't want to modify the existing program, we want to respect the exi...
Detect the Internet connection is offline?
...o put the entire application in an "offline" state may lead to a lot of error-prone work of handling state.. wireless connections may come and go, etc. So your best bet may be to just fail gracefully, preserve the data, and alert the user.. allowing them to eventually fix the connection problem if ...
Any reason to prefer getClass() over instanceof when generating .equals()?
...is an option labeled "Use 'instanceof' to compare types". The default is for this option to be unchecked and use .getClass() to compare types. Is there any reason I should prefer .getClass() over instanceof ?
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How can I get the ID of an element using jQuery?
Why doesn't the above work, and how should I do this?
19 Answers
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When to use RDLC over RDL reports?
...ng SSRS 2005 / 2008 in the past weeks and have created some server side reports. For some application, a colleague suggested that I look into RDLC for that particular situation. I am now trying to get my head around the main difference between RDL and RDLC.
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When to use thread pool in C#? [closed]
...d pool vs. create my own threads. One book recommends using a thread pool for small tasks only (whatever that means), but I can't seem to find any real guidelines. What are some considerations you use when making this programming decision?
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phantomjs not waiting for “full” page load
...nting to them. I'm using obsolete version of Phantom because I need to support Adobe Flash on that web pages.
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Sort objects in ArrayList by date?
...ample I find is about doing this alphabetically, while I need my elements sorted by date.
13 Answers
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Empty set literal?
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No, there's no literal syntax for the empty set. You have to write set().
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Spring MVC type conversion : PropertyEditor or Converter?
I am looking for the easiest and simplest way to bind and convert data in Spring MVC. If possible, without doing any xml configuration.
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