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Random number generator only generating one random number

...nly Random Global = new Random(); [ThreadStatic] private static Random _local; public int Next(int max) { var localBuffer = _local; if (localBuffer == null) { int seed; lock(Global) seed = Global.Next(); localBuffer = new Rand...
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Detect if stdin is a terminal or pipe?

... is a file or a pipe\n"); (On windows they're prefixed with underscores: _isatty, _fileno) share | improve this answer | follow | ...
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SqlException from Entity Framework - New transaction is not allowed because there are other threads

... the IList<T>. Example: IList<Client> clientList = from a in _dbFeed.Client.Include("Auto") select a; foreach (RivWorks.Model.NegotiationAutos.Client client in clientList) { var companyFeedDetailList = from a in _dbRiv.AutoNegotiationDetails where a.ClientID == client.ClientID selec...
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When should I use perror(“…”) and fprintf(stderr, “…”)?

...should use fprintf(stderr, fmt, ...). For example, strtol will return LONG_MAX or LONG_MIN if a string is out of range and set errno to ERANGE. So if strtol fails due to out of range, I would use perror. – freeboy1015 Aug 24 '12 at 2:22 ...
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Where can I view Tomcat log files in Eclipse?

... "Arguments" tab of its launch configuration: -Dcatalina.base="${project_loc}\<apache-tomcat-5.5.23_loc>" -Dcatalina.home="${project_loc}\<apache-tomcat-5.5.23_loc>" -Djava.util.logging.config.file="${project_loc}\<apache-tomcat-5.5.23_loc>\conf\logging.properties" -Djava.uti...
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Split list into multiple lists with fixed number of elements

...st[List[X]] = if (xs.size <= n) xs :: Nil else (xs.splitAt(n)._1) :: split(n,xs.splitAt(n)._2) share | improve this answer | follow | ...
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How to sort objects by multiple keys in Python?

...eturn sorted(items, cmp=comparer) You can call it like this: b = [{u'TOT_PTS_Misc': u'Utley, Alex', u'Total_Points': 96.0}, {u'TOT_PTS_Misc': u'Russo, Brandon', u'Total_Points': 96.0}, {u'TOT_PTS_Misc': u'Chappell, Justin', u'Total_Points': 96.0}, {u'TOT_PTS_Misc': u'Foster, Toney'...
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What does “./bin/www” do in Express 4.x?

...ents app.set('port', process.env.PORT || 3000); app.set('views', path.join(__dirname, 'views')); app.set('view engine', 'jade'); app.use(express.favicon()); app.use(express.logger('dev')); app.use(express.compress()); app.use(express.json()); app.use(express.urlencoded()); app.use(express.methodOver...
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How to specify the default error page in web.xml?

... java.sun.com/xml/ns/javaee/web-app_2_5.xsd specifies no <description> child for the <error-page> element, so pasting the above code as-is in a Servlet 2.5 web.xml will cause XSD validation errors. If I comment them, though, it works fine, thanks! ...
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Intel HAXM installation error - This computer does not support Intel Virtualization Technology (VT-x

... what comes from Android Studio) Before starting the install, run the haxm_check.exe included in the download from command line. If your fix worked, it should show yes for both NX and VT. If you just double click haxm_check.exe you won't see anything. Run it from cmd or powershell to see the outpu...