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Glorified classes in the Java language

... lot of different answers, so I thought it would be useful to collect them all (and add some): Classes AutoBoxing classes - the compiler only allows for specific classes Class - has its own literals (int.class for instance). I would also add its generic typing without creating new instances. Stri...
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Run a single migration file

...f the ruby file: rails console >> require "db/migrate/20090408054532_add_foos.rb" >> AddFoos.up Note: newer versions of rails may require AddFoos.new.up rather than AddFoos.up. An alternative way (without IRB) which relies on the fact that require returns an array of class names: sc...
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Format a datetime into a string with milliseconds

... Useful with timezone too: date = datetime(2019,5,10) date_with_tz = pytz.timezone('Europe/Rome').localize(date) date_with_tz.isoformat(sep='T', timespec='milliseconds') output: '2019-05-10T00:00:00.000+02:00' – Ena May 10 '19 at 9:17 ...
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Can you create nested WITH clauses for Common Table Expressions?

... Essentially the post means, that you can't do it, but it is not a big problem. – peterh - Reinstate Monica May 30 '17 at 14:40 ...
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Swift - encode URL

...= "test/test" let escapedString = originalString.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed) print(escapedString!) Output: test%2Ftest Swift 1 In iOS 7 and above there is stringByAddingPercentEncodingWithAllowedCharacters var originalString = "test/test" var escapedString...
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How to uninstall Python 2.7 on a Mac OS X 10.6.4?

... PATH variable by reverting my .bash_profile . But I also want to remove all directories, files, symlinks, and entries that got installed by the Python 2.7 install package. I've got the install package from http://www.python.org/ . What directories/files/configuration file entries do I need to re...
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java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet

... Why does this work? I mean, shouldn't all maven dependencies be available? If I was using the Tomcat7 pluging with tomcat7:run, how would this be accomplished? – Johnny Bigoode Mar 22 '17 at 15:32 ...
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也来说说ReactOS的调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...调试的.所以我就找了先下fDebug的的代码.在D:\ReactOS\ReactOS_src\boot\freeldr\fdebug这个目录下. 这里我啰嗦下.源代码的路径别放到目录中有空格的文件夹中,有时会导致不能编译.例如,以前我把源码放在了D:\Program Files\ReactOS_src\boot\freeldr\...
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How to parse the AndroidManifest.xml file inside an .apk package

...nary XML format. What is this format and how can it be parsed programmatically (as opposed to using the aapt dump tool in the SDK)? ...
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How to set value of input text using jQuery

I have an input text which is this: 7 Answers 7 ...