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ASP.NET_SessionId + OWIN Cookies do not send to browser

... I have encountered the same problem and traced the cause to OWIN ASP.NET hosting implementation. I would say it's a bug. Some background My findings are based on these assembly versions: Microsoft.Owin, Version=2.0.2.0, Culture=neutral, PublicKeyToken=31bf3...
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Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use

... You can confirm this by going to http://localhost:8080 in your webbrowser and check if you get the Tomcat default home page or a Tomcat-specific 404 error page. Both are equally valid evidence that Tomcat runs fine; if it didn't, then you would have gotten a browser specific HTTP connection timeout...
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Why do all browsers' user agents start with “Mozilla/”?

... It is a long and sad story. In summary: Mozilla browser gets released, with User-Agent Mozilla/1.0 (Win3.1). It is publicly renamed to Netscape, but in its User-Agent it keeps its original name . Internet Explorer is released. It spoof...
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git undo all uncommitted or unsaved changes

...rying to undo all changes since my last commit. I tried git reset --hard and git reset --hard HEAD after viewing this post . I responds with head is now at 18c3773... but when I look at my local source all the files are still there. What am I missing? ...
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Difference between Activity and FragmentActivity

I was working on fragments and came across two things Activity and FragmentActivity which are used several times. I want to know that is there any difference between these two, because when I changed Activity with FragmentActivity , it had no effect on the app. ...
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What exactly is Arel in Rails 3.0?

I understand that it is a replacement for ActiveRecord and that it uses objects instead of queries. 4 Answers ...
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Cleaning `Inf` values from an R dataframe

...x, is.infinite(x),NA))) Option 2 -- data.table You could use data.table and set. This avoids some internal copying. DT <- data.table(dat) invisible(lapply(names(DT),function(.name) set(DT, which(is.infinite(DT[[.name]])), j = .name,value =NA))) Or using column numbers (possibly faster if th...
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Why does 'continue' behave like 'break' in a Foreach-Object?

...let (it even has the alias foreach that helps to make this conversion easy and make mistakes easy, too). All continues should be replaced with return. P.S.: Unfortunately, it is not that easy to simulate break in ForEach-Object. ...
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Combine two columns of text in pandas dataframe

I have a 20 x 4000 dataframe in Python using pandas. Two of these columns are named Year and quarter . I'd like to create a variable called period that makes Year = 2000 and quarter= q2 into 2000q2 . ...
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Difference between jQTouch and jQuery mobile

... jQuery Mobile is looking to support all mobile devices; that is my understanding some good info here http://jquerymobile.com/strategy/ and here http://news.ycombinator.com/item?id=1602169 share | ...