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Why is creating a Thread said to be expensive?

... there is a fair bit of work involved: A large block of memory has to be allocated and initialized for the thread stack. System calls need to be made to create / register the native thread with the host OS. Descriptors need to be created, initialized and added to JVM-internal data structures. It...
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user authentication libraries for node.js?

... Among all auth packages for node I selected passport. It's well-documented and easy to use, and supports more strategies. – tech-man May 14 '12 at 4:16 ...
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iOS - Dismiss keyboard when touching outside of UITextField

... answered Mar 15 '11 at 0:36 Jensen2kJensen2k 8,16011 gold badge1111 silver badges1313 bronze badges ...
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JavaScript closure inside loops – simple practical example

...pport let but get the above wrong (they don't create a new i each time, so all the functions above would log 3 like they would if we used var). Edge 14 finally gets it right. ES5.1 solution: forEach With the relatively widespread availability of the Array.prototype.forEach function (in 2015), it's ...
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Save bitmap to location

...alternative approach. – Warpzit Dec 15 '11 at 13:36 43 Does one have to recompress? I just want t...
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How can I change my Cygwin home folder after installation?

I just installed Cygwin, and it looks like the home directory in the bash prompt is on my Z: drive. That's not where I want it. ...
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Why use ICollection and not IEnumerable or List on many-many/one-many relationships?

... Usually what you choose will depend on which methods you need access to. In general - IEnumerable<> (MSDN: http://msdn.microsoft.com/en-us/library/system.collections.ienumerable.aspx) for a list of objects that only needs ...
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Difference between Java Enumeration and Iterator

...n Enumeration: Iterators differ from enumerations in two ways: Iterators allow the caller to remove elements from the underlying collection during the iteration with well-defined semantics. Method names have been improved. The bottom line is, both Enumeration and Iterator will give successive el...
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How to install Hibernate Tools in Eclipse?

What is the proper way to install Hibernate Tools in Eclipse as a plugin? The Hibernate site doesn't really give any instructions. ...
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How to add items to a spinner in Android?

... While this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – Bill the Lizard Jan 26 '12 at 21:00 ...