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What is a difference between

...o it guarantees that when it fetches values from the collection, they will all be E or some subclass (i.e. it's compatible). The drainTo method is trying to put values into the collection, so the collection has to have an element type of E or a superclass. As an example, suppose you have a class h...
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What are the First and Second Level caches in Hibernate?

...ed, but there is no option to get rid of it. but you should think about it all the time.. – ses Mar 28 '13 at 17:39 ...
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Meteor test driven development [closed]

...ractices before establishing anything in the official documentation. After all, Meteor reached 0.5 this week, and things are still changing rapidly. The good news: you can use Node.js testing tools with Meteor. For my Meteor project, I run my unit tests with Mocha using Chai for assertions. If you...
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Android: What is better - multiple activities or switching views manually?

...ts in one mega-Activity that can be a lot harder to handle than a lot of smaller pieces of code. I have trouble imagining that speed is really an issue; if it is then there's something wrong with the way you're initializing each Activity. For example, I used try to pass Serializable objects betwee...
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How do I attach events to dynamic HTML elements with jQuery? [duplicate]

Suppose I have some jQuery code that attaches an event handler to all elements with class .myclass . 8 Answers ...
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Delete newline in Vim

...wline. You can also combine this with a count, so pressing 3J will combine all 3 lines together. share | improve this answer | follow | ...
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Difference between File.separator and slash in paths

...ies for dealing with files, you can safely use / (slash, not backslash) on all platforms. The library code handles translating things into platform-specific paths internally. You might want to use File.separator in UI, however, because it's best to show people what will make sense in their OS, rath...
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Regex to replace multiple spaces with a single space

...place \s\s+ with ' ': string = string.replace(/\s\s+/g, ' '); If you really want to cover only spaces (and thus not tabs, newlines, etc), do so: string = string.replace(/ +/g, ' '); share | i...
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How do I copy a folder from remote to local using scp? [closed]

...ant explanation. Will you end up with Desktop/foo or will you have Desktop/allcontentsofFooGohere scp seems to act weird sometimes to me it does one thing then another – Toskan Jan 24 '18 at 19:45 ...
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Save icon: Still a floppy disk? [closed]

...hen you need to create PDF. E-mail has a little picture of an envelope, usually. Icons are just icons. – Welbog Jun 19 '09 at 19:15 19 ...