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Select top 10 records for each category

...= 10 If your RankCriteria has ties then you may return more than 10 rows and Matt's solution may be better for you. share | improve this answer | follow | ...
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Delegates in swift?

... vc.colorString = colorLabel.text vc.delegate = self } } And that should work. This is of course just code fragments, but should give you the idea. For a long explanation of this code you can go over to my blog entry here: segues and delegates If you are interested in what's g...
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Run MySQLDump without Locking Tables

...erts in the case of MyISAM tables. For transactional tables such as InnoDB and BDB, --single-transaction is a much better option, because it does not need to lock the tables at all. For innodb DB: mysqldump --single-transaction=TRUE -u username -p DB ...
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Lightweight Java Object cache API [closed]

...or an example of creating an in memory cache. You can specify a max size, and a time to live. EHCache does offer some advanced features, but if your not interested in using them - don't. But it's nice to know they are there if your requirements ever change. Here is an in memory cache. Created i...
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Disable Automatic Reference Counting for Some Files

I have downloaded the iOS 5 SDK and found that ARC is a great feature of the new Apple compiler. For the time being, many third party frameworks don't support ARC. Could I use ARC for my new code and keep the current retain/release code unchanged? The ARC converter doesn't work here, because some fr...
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Auto-loading lib files in Rails 4

...g/application.rb: config.autoload_paths << Rails.root.join('lib') and keep the right naming convention in lib. in lib/foo.rb: class Foo end in lib/foo/bar.rb: class Foo::Bar end if you really wanna do some monkey patches in file like lib/extensions.rb, you may manually require it: in...
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How to generate random SHA1 hash to use as ID in node.js?

...o create a HMAC-SHA1 hash? I'd create a hash of the current timestamp + a random number to ensure hash uniqueness: var current_date = (new Date()).valueOf().toString(); var random = Math.random().toString(); crypto.createHash('sha1').update(current_date + random).digest('hex'); ...
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How to break/exit from a each() function in JQuery? [duplicate]

... simple 'return' is not working for me. this is why i googled it and found this post. 'return false' works. i am running osx lion with chrome. – Sonic Soul Jun 9 '12 at 23:17 ...
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How do I remove leading whitespace in Python?

... The lstrip() method will remove leading whitespaces, newline and tab characters on a string beginning: >>> ' hello world!'.lstrip() 'hello world!' Edit As balpha pointed out in the comments, in order to remove only spaces from the beginning of the string, lstrip(' ') s...
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How can I access an internal class from an external assembly?

... Without access to the type (and no "InternalsVisibleTo" etc) you would have to use reflection. But a better question would be: should you be accessing this data? It isn't part of the public type contract... it sounds to me like it is intended to be trea...