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What is the difference between varchar and varchar2 in Oracle?
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As for now, they are synonyms.
VARCHAR is reserved by Oracle to support distinction between NULL and empty string in future, as ANSI standard prescribes.
VARCHAR2 does not distinguish between a NULL and empty string, and never will.
If you rely on e...
Visual studio compiles fine but still shows red lines
I am using VS 2012 and it was working all fine until I started observing som>me m> funny behavior. When I open my code it shows red Underlines which we usually see when there is an error in our code. Surprisingly, code compiles all fine. I have made following observations that are not normal at all.
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Unable to launch the IIS Express Web server, Failed to register URL, Access is denied
Som>me m> web projects are causing m>me m> problems while others work fine. I decided to focus on one of the problematic ones.
I'm using Visual Studio 2013 on Windows 7. I think I'm running it as administrator, the window title says PROJECT NAm>ME m> - Microsoft Visual Studio (Administrator) .
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How to force a web browser NOT to cache images
I am writing and using a very simple CGI-based (Perl) content managem>me m>nt tool for two pro-bono websites. It provides the website administrator with HTML forms for events where they fill the fields (date, place, title, description, links, etc.) and save it. On that form I allow the administrator to u...
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
...app (runs fine locally) - but I am unable to deploy it via heroku (first tim>me m> w/ heroku as well). The code is below. SO doesn't let m>me m> write so much code, so I would just say that the running the code locally as well within my network shows no issue.
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android.view.InflateException: Binary XML file: Error inflating class fragm>me m>nt
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After long tim>me m> for debugging, I have fixed this problem. (Although I still cannot explain why). That I change property android:nam>me m> to class. (although on Android Docum>me m>nt, they say those properties are sam>me m>, but it works !!!)
So, it sh...
How to set gradle hom>me m> while importing existing project in Android studio
How to set gradle hom>me m> while importing existing project in Android studio. While trying to import I need to set up this path.
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Regex: match everything but specific pattern
I need a regex able to match everything but a string starting with a specific pattern (specifically index.php and what follows, like index.php?id=2342343 )
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lose vim colorschem>me m> in tmux mode
I'm running iterm2 and when I'm in tmux mode the colorschem>me m> I have set in vim does not show up. Only the color schem>me m> I've set in iterm. If I run vim from shell the colorschem>me m> appears correct - its only when I'm in tmux mode.
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c# open a new form then close the current form?
For example, Assum>me m> that I'm in form 1 then I want:
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